Powerstax

Name

Powerstax

Legal name

POWERSTAX LTD

Website

https://powerstax.com

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

11–50 employees

Short description

Powerstax designs and manufactures custom and standard AC-DC, DC-DC, rectifier, and high voltage (up to 150kV) power supplies for defense, medical, hydrogen production, telecommunications, and industrial customers across the UK/Europe and North America, acting as both an OEM and an authorised distributor for Behlman, Excelsys, Technix, Ross Engineering, and Drake Powerstax product lines.

Ownership category

akta.pro rank

Product category

Industrial Power Electronics

NAICS

Power, Distribution, and Specialty Transformer Manufacturing (335311), Electrical Equipment, Appliance, and Component Manufacturing (335), Relay and Industrial Control Manufacturing (335314)

SIC

Electronic Coils, Transformers & Other Inductors (3677), Power, Distribution & Specialty Transformers (3612), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro industry

PRIMARYIMAGADAB

DC-DC Converters & Power Modules (Isolated/non-isolated, POL modules)

Industrials, Manufacturing & Construction/Electrical Equipment & Industrial Electronics/Industrial Power Electronics (Inverters, Converters, UPS, Power Supplies)

SECONDARYIMAGADAH

High-Voltage & High-Power Conversion (HVDC supplies, traction/rail converters, large rectifiers)

Industrials, Manufacturing & Construction/Electrical Equipment & Industrial Electronics/Industrial Power Electronics (Inverters, Converters, UPS, Power Supplies)

SECONDARYIMAGAAAA

Transformers (Power, Distribution, Instrument, Specialty)

Industrials, Manufacturing & Construction/Electrical Equipment & Industrial Electronics/Power Generation & Grid Equipment (Transformers, Switchgear, Substations)

Keywords

• AC-DC power supplies
• DC-DC converters
• Transformer rectifiers
• High voltage power supplies
• MIL-SPEC converters

Headquarters

HQ city

Farnborough

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Power Supply Hardware Sales: Design, manufacture and sale of AC-DC power supplies, DC-DC converters, rectifiers, transformer rectifiers, high voltage power supplies, and programmable power supplies. Products sold as standard catalog items and custom configurations to industrial, medical, defense, and commercial customers.
2. Custom Power Solutions: Value-added custom power supply solutions and systems design services for specialized applications including hydrogen production, electrolysis, carbon capture, and other demanding industrial processes requiring tailored power solutions.
3. Aftermarket Services: Maintenance and repair, calibration, spare parts supply, on-site training, refurbishment, and site acceptance testing services for power supply products.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Powerstax designs, manufactures and supplies AC-DC and DC-DC power conversion products including modular switched-mode power supplies, thyristor-controlled transformer rectifiers, linear power supplies, DC-DC converter bricks, programmable power supplies, and high voltage DC systems (up to 150kV and 40kW). The portfolio targets demanding industrial, medical, defense, aerospace, telecom and electrolysis (including green hydrogen) applications, with both standard catalog products and value-added custom configurations supported across UK/Europe and North America. The company also serves as the international authorized representative for Behlman Electronics' AC power supplies and frequency converters.

Product overview

Powerstax is a power supply manufacturer specializing in AC-DC and DC-DC power supplies, rectifiers, and high voltage power solutions. The product portfolio includes multiple interconnected product lines: Rectifier solutions (PowerKraft, FlexKraft, ECKraft, CP Series, Drake TR Series) for electrolysis, hydrogen production, and industrial applications; Modular AC/DC converters (CoolX1000/1800, A3600, A0800 series, Medistax) for medical, industrial, and communications; DC/DC converter bricks and modules (Q0301, F, E0131, H0331 series) for various power densities; High Voltage solutions (SR Series, CCR Series, TS Series) for high voltage applications up to 150kV; MIL-SPEC high reliability products (PX30, PXH, PXPG, PXHU series) for defense and aerospace; AC Power/Frequency Converters (Behlman BL+, BL HP series); Linear power supplies (Kingshill); and supporting accessories (CoolKraft, SCM-R, DTC352, ZTAF, ZHSF). The company operates as both a manufacturer and authorized distributor of Behlman Electronics products.

Differentiator

Problem solved

Functional benefit

Brands

• Behlman: Behlman Electronics AC Power Supplies and Frequency Converters, distributed by Powerstax as authorized representative.
• CoolX
• PowerKraft
• CoolKraft
• FlexKraft
• ECKraft
• Medistax
• Kingshill
• Unistax
• Multistax

Products and services

• PowerKraft Thyristor-based industrial rectifier with separate transformer and rectifier panel design, built for demanding electrolytic processes (hydrogen production, electro-chlorination, electroplating). Scalable up to 10MW for large-scale industrial deployments.
• FlexKraft Modular primary-switching industrial rectifier consisting of 1-10 power modules with a control module, configured for best electrical performance in demanding industrial environments such as electrolytic processes.
• ECKraft Easy-to-install water-cooled industrial rectifier that provides an alternative when air-cooled power supply deployment is not feasible in the target installation environment.
• CP Series Cathodic Protection Power Modules 120W to 480W SMPS power modules purpose-built for impressed current cathodic protection of pipelines, offshore platforms, storage tanks, ship hulls and infrastructure. Features automatic potential control, IP65 protection and wide temperature range operation.
• Drake Powerstax DPTR Transformer Rectifiers Digitally controlled thyristor transformer rectifiers available up to 750kVA with less than 1% output stability and less than 5% output ripple. Available with air, oil or water cooling and sealed to IP65 for Zone 1 and Zone 2 hazardous area installations.
• CoolX1000 Modular Power Supply Fanless convection-cooled modular AC/DC power supply delivering 1000W in a compact 6.5 x 10 x 1U package with up to 94% efficiency, PMBus digital communication and field-configurable outputs. IEC60950 / IEC62368 industrial variants and IEC60601-1 3rd Edition + IEC60601-1-2 4th Edition medical variants available.
• CoolX1800 Modular Power Supply 1800W fanless modular AC/DC power supply in a compact 5 x 10.5 x 1U package, delivering 50% more power than the industry standard with up to 12 isolated DC outputs from 1.0V to 58.0V and PMBus communications for medical and industrial applications.
• A3600 Configurable Power Supply Uniquely configurable AC/DC power supply delivering up to 3600W with up to 36 isolated outputs in a 1U high 19-inch rack mount package. Configurations are supplied with no NRE charge.
• A0800 Front-End Power Module Front-end AC/DC power module supplying up to 800W at 8.2W/in³ power density with hot-swap capability, redundant parallel operation, and I²C monitoring for telecom and data communications applications.
• R2400 Front-End Power Shelf Low profile 1U high 19-inch rack-mount front-end power shelf housing up to three A0800 modules, providing up to 2400W of total power with N+1 redundant operation for telecom and data center infrastructure.
• Medistax Configurable Power Supplies Configurable medical-grade AC/DC power supplies available in Ultra Quiet, Standard and Low Noise variants, delivering up to 800W in a 1U package at up to 9.3W/in³ power density and up to 90% efficiency. Approved to UL/EN60601-1 3rd Edition for diagnostic imaging, dialysis, clinical chemistry, and patient-contact medical devices.
• Q0301 Quarter Brick DC-DC Converter Industry-standard quarter-brick isolated DC-DC converter providing up to 300W/60A output with up to 14.4W/cm³ (235W/in³) power density and 90-92% efficiency.
• F Series Full Brick DC-DC Converter High-power, high-density isolated DC-DC converter module delivering up to 500W in an industry-standard full-brick case at up to 5.53W/cm³ power density.
• E0131 Eighth-Brick DC-DC Converter Industry-standard eighth-brick isolated DC-DC converter providing up to 130W/50A outputs and using a patented 'Buck Reset' topology to achieve up to 10.7W/cm³ (175W/in³) power density with 85-92% efficiency.
• H0331 Half Brick DC-DC Converter Half-brick isolated DC-DC converter providing up to 336W/21A outputs at up to 10.3W/cm³ (169W/in³) power density with efficiencies of 88-90%.
• SR Series High Voltage DC Power Supplies High voltage DC power supplies (Technix SR Series) covering 700V to 150kV with power outputs from 150W to 40kW, 0.1% RMS ripple+noise, and remote 0-10V analogue interface. Available with positive, negative, reversible or floating polarity for capacitor charging, accelerators, X-ray systems, and semiconductor manufacturing.
• CCR Series Capacitor Charging Power Supplies Capacitor charging DC power supplies covering 1kV to 60kV at charging powers of 750J/s to 40kJ/s with 0.1% reproducibility for pulsed power applications.
• TS Series Programmable High Voltage Power Supplies Programmable high voltage DC power supplies covering 5Vdc to 6000Vdc and 1.2Adc to 8000Adc, available in models from 5kW to 100kW in 3U to 16U chassis configurations for laboratory, test and industrial high-voltage applications.
• Behlman BL+ Series AC Power Frequency Converters Solid-state AC power frequency converters (Behlman BL+) offering greater efficiency, reduced footprint and easier installation than motor generators, with adjustable voltage and frequency outputs for aerospace, avionics test and industrial customers; distributed internationally by Powerstax under its Behlman representation agreement.
• Behlman BL HP Series High Power AC Sources High-power AC power sources and frequency converters (Behlman BL HP) combining linear power quality with compact switching supply design. Features variable voltage, variable frequency and external sync, with multi-pulse input transformers conforming to MIL-STD-1399 naval shipboard power standards.
• PX30 Series MIL-SPEC DC-DC Converters High-reliability MIL-SPEC DC-DC converters delivering 12W to 65W output power across -55 to +105°C with up to 84% efficiency, supplied in hermetically sealed metal enclosures for military, aerospace, shipboard and ground-based defense systems.
• PXH Series MIL-SPEC DC-DC Converters High-reliability MIL-SPEC DC-DC converters providing 5W to 30W output across -55 to +105°C, supplied as form-fit-function alternatives to the Interpoint MSA Series with hermetically sealed metal enclosures.
• PXPG Series Pre-Regulator Modules High-reliability pre-regulator modules for defence, homeland security, shipboard and ground-based systems where stable input power conditioning is required upstream of downstream DC-DC converters.
• PXHU Hold-Up Modules Hermetically sealed hold-up modules providing temporary power maintenance of up to 120W during input bus drop-out for aerospace and high-reliability applications.
• Unistax Modular Industrial Power Supplies Modular industrial AC/DC power supplies available in single-phase and three-phase configurations providing up to 10kW output at up to 88% efficiency, with constant voltage or constant current mode and adjustable 0-100% voltage or current control.
• Kingshill Linear Power Supplies Linear regulated AC/DC power supplies (Kingshill 3S, Elite, NM, NS, NTM, NTS, ST, TR, U and W series) for OEM applications, with load regulation as low as <0.02% and clean, low-noise output for sensitive instrumentation and process control.
• MQC150 Medical Switching Power Module PCB-mount switching power module providing 4000VAC input-to-output 2MOPP isolation with up to 93.5% efficiency, suitable for medical BF (patient-contact) applications with UL/IEC/EN 60601 3.1 Edition and UL/IEC/EN 60950 AM2 safety approvals.
• S1801 Series Telecom/Datacom Power Supplies Power supplies engineered for telecom and datacom equipment, file servers, storage systems, and networking solutions where high-density, reliable front-end conversion is required.
• FP Series Power Factor Correction Bricks Power Factor Correction bricks providing front-end AC/DC power conditioning with >95% efficiency, typical 0.99 power factor, and IEC-61000-3-2 conformance for harmonic compliance in industrial and data communications systems.
• SCM-R Digital Rack Controller Digital controller for Powerstax 1U rack-mount PSU systems (R3000, R2400, R2250) communicating over I²C and managing up to 12 hot-swap power modules for telecom and data center shelves.
• DTC352 Dual-Channel Thyristor Controller Dual-channel three-phase thyristor controller providing closed-loop control of output voltage and current for industrial rectifier installations, with primary or secondary control options plus logic control functions.
• CoolKraft Industrial Heat Exchanger Industrial heat exchanger for cooling FlexKraft and ModuPulse rectifier installations in harsh environments, controlling water flow and temperature to maintain optimal rectifier performance.
• ZTAF Terminal Adaptor Cost-effective terminal adaptor providing a standardized interface to install 200W, 350W and 500W full-brick DC-DC converters into power systems.
• ZHSF Heatsink for Full Brick Converters Cost-effective heatsink purpose-designed for full-brick DC-DC converters and PFC modules, with a special fin profile supporting both forced and natural convection cooling.
• Custom Power Solutions and Value-Added Design Custom-engineered power supply solutions and value-added systems design for specialized applications (hydrogen production, electrolysis, carbon capture, cathodic protection, MIL-SPEC and others) requiring tailored configurations beyond standard catalog products.
• Aftermarket Service and Support Aftermarket service portfolio including scheduled maintenance, repair, calibration, spare parts supply, on-site training, refurbishment and site acceptance testing delivered for installed power supply products across all Powerstax and represented lines.

Quantifiable outcome

• CoolX1800 delivers 50% more power than industry standard in compact 1U package
• +3 more outcomes

Segments12 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

Five partnerships are on record, tiered core.

• Behlman ElectronicscoreChannel Partner/ Reseller/ DistributorPowerstax is the International Authorised Representative for Behlman Electronics, a renowned manufacturer of AC Power Supplies and Frequency Converters since 1959. Behlman is headquartered in Hauppauge, New York. Powerstax distributes Behlman's complete product range including P Series, BL HP Series, BL+ Series, BL1350 Series, FC5003 Series, and PF Series for avionic, aerospace, industrial, and military applications worldwide.
• Excelsys TechnologiescoreTechnology or IntegrationExcelsys (manufactured by Advanced Energy) supplies the CoolX Series modular power supplies distributed by Powerstax. The CoolX Series includes the CoolX1000 (1000W fanless) and CoolX1800 (1800W) modular power supplies with IEC60950 and IEC60601 certifications for industrial and medical applications.
• TechnixcoreTechnology or IntegrationTechnix is a manufacturer of high voltage power supplies partnered with Powerstax. Technix SR Series provides high voltage DC power supplies from 80kV to 150kV with power outputs from 1.5kW to 40kW for applications including capacitor charging, accelerators, X-ray systems, and semiconductor manufacturing.
• Ross EngineeringcoreTechnology or IntegrationRoss Engineering partners with Powerstax to provide comprehensive high voltage solutions including custom power supplies and high voltage components. With over 100 years of combined experience in the high voltage industry, Ross Engineering supplies products designed for safety and reliability in demanding high voltage applications.
• Drake PowerstaxcoreTechnology or IntegrationDrake Powerstax manufactures the DPTR Series Transformer Rectifiers available up to 750kVA using digitally controlled thyristors. These transformer rectifiers feature IP65 sealing for Zone 1 and 2 hazardous areas, with switch-mode technology available for smaller systems.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• TDK-Lambda: TDK-Lambda is a global leader in AC-DC and DC-DC power supplies, including configurable modular platforms (the GENESYS+ and QM series) and MIL-SPEC converters, directly competing with Powerstax in medical, industrial, and defense applications.
• XP Power: XP Power (acquired by Advanced Energy in 2024) is one of the closest direct peers — designs and manufactures AC-DC, DC-DC, and HV power supplies for industrial, medical, and defense markets with a strong European and US presence. Directly comparable product categories and customer segments to Powerstax.
• Cosel Asia Pacific: Cosel is a Japanese power supply manufacturer offering AC-DC, DC-DC brick converters, and programmable supplies, directly comparable to Powerstax's Q0301, F, E0131, and H0331 series in industrial and medical segments.
• Murata Power Solutions: Murata Power Solutions manufactures isolated DC-DC converters (full/half/quarter/eighth brick), AC-DC front-ends, and PoL modules, directly comparable to Powerstax's DC-DC brick portfolio and front-end power shelves (R2250, R2400).
• RECOM Power: RECOM manufactures low- to medium-power DC-DC converters and AC-DC modules with a strong European presence, competing with Powerstax's Q0301, E0131, and Medistax lines in industrial and medical applications.
• Spellman High Voltage Electronics: Spellman is a leading global manufacturer of high-voltage DC power supplies (modules, racks, X-ray, capacitor charging) directly comparable to Powerstax's SR Series, CCR Series, and TS Series HV offerings.
• Artesyn Embedded Technologies: Artesyn (also under Advanced Energy) produces configurable and modular AC-DC and DC-DC supplies, competing directly with Powerstax's A Series, CoolX distribution, and Medistax lines in industrial, medical, and telecom.

Emerging players

• Vicor Corporation: Vicor focuses on high-density DC-DC conversion (Factorized Power Architecture, ChiP packaging) and overlaps with Powerstax's higher-power DC-DC brick portfolio, though it operates in a more specialised high-density niche.

Broad incumbents

• AEG Power Solutions: AEG Power Solutions (3W Power / 3W Networks) produces industrial transformer rectifiers, UPS, and power conditioning systems for harsh-environment, rail, and oil & gas, directly comparable to Powerstax's Drake DPTR and CP Series offering.
• Advanced Energy Industries: Advanced Energy is the parent of Excelsys (which manufactures CoolX for Powerstax) and a broad incumbent in precision power conversion for semiconductor, medical, and industrial. It is simultaneously a partner and a powerful competitor across Powerstax's served markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/powerstax-plc

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Powerstax