What Osaki Electric Systems does

Osaki Electric Systems Co., Ltd. (大崎電気システムズ株式会社) is a Japan-based specialty manufacturer of electrical distribution and control equipment, incorporated in May 2000 as a spin-off of Osaki Electric Industries' distribution panel business, with operating roots tracing back to 1916. The company designs and manufactures power distribution panels, control panels, fire-rated cubicle switchgear, power quality meters, and supporting DCIM/key-management systems (ecomoDC, ecomoLM), all produced largely in-house at its 31,000-tsubo Chiba Factory. Its proprietary SP盤 (Separated Power Panel, Patent No. 6859889) is a rack-top power distribution unit that integrates certified sub-metering with aisle containment, targeting hyperscale and colocation data centers.

Revenue is generated primarily through direct B2B sale of custom-engineered switchgear and panels to enterprise and public-sector customers — government ministries (National Diet Library, Tokyo Metropolitan Government), utilities (Tokyo Electric Power), telecoms (NTT East), railways (JR East), financial institutions (Mitsubishi UFJ Bank), real estate developers (Mitsubishi Estate, Nomura Real Estate, Sumitomo Realty), healthcare (St. Luke's International Hospital), and data center operators (Bit-isle) — augmented by after-sales maintenance, deterioration diagnosis, and retrofit services on panels older than 15 years. Pricing is bespoke quote-based, reflecting project-specific custom engineering rather than catalogue sales. Go-to-market combines a direct sales force in Tokyo and Sendai, an electrical contractor reseller channel (Kinden, Toko Denki, Seki Denko), and event-led demand generation through JECA FAIR, DC JAPAN, IIFES, and Interop Tokyo.

The firm operates exclusively in Japan, holds ISO 9001 (since 1998/2006) and ISO 14001 (since 2003/2007) certifications, JSIA Good Factory recognition, and product evaluations from Japan's Public Building Association. It is a privately held subsidiary of the Osaki Electric Group (consolidated ~2,960 employees) and reported FY2024 net sales of ¥4,462 million from a headcount of 175 employees as of April 2025.

Name

Osaki Electric Systems

Legal name

大崎電気システムズ株式会社

Website

https://osaki-systems.com

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

101–250 employees

Short description

Osaki Electric Systems is a Japanese manufacturer of power distribution and control panels, switchgear, and power quality monitoring systems, including the patented SP盤 rack-mount panel and ecomoDC/ECOMO DCIM stack, serving government, utility, telecom, railway, financial, and data center customers across Japan via direct sales and electrical contractor channels.

Ownership category

akta.pro rank

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Electrical Equipment Manufacturing and Sales: Osaki Electric Systems designs, manufactures, and sells power distribution panels, control panels, switchboards, power monitoring panels, PDU (Power Distribution Unit) panels, and optical fiber cable distribution panels. Revenue is generated through direct sales to enterprise customers for new construction, renovation, and maintenance projects.
2. Maintenance and Renovation Services: The company provides after-sales maintenance, inspection, and renovation services for electrical facilities including deterioration diagnosis, periodic inspection, relay testing, and panel modification/upgrading services.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels3 records

Core offering

Osaki Electric Systems is a specialized manufacturer of power distribution panels, control panels, switchboards, power quality monitoring systems, and related electrical equipment. The company operates integrated in-house production at its Chiba Factory and sells these products directly to enterprise and public-sector customers for new construction, renovation, and maintenance of buildings, data centers, and industrial facilities in Japan.

Product overview

Osaki Electric Systems is a specialized manufacturer of power distribution panels, control panels, monitoring systems, and related electrical equipment, founded in 2000 as a spin-off from Osaki Electric Industries. The company's product portfolio centers on in-house design-through-manufacturing capabilities at its Chiba Factory. The core offering consists of distribution panels (配電盤), control panels (制御盤), and 分電盤 (branch distribution panels), used across buildings, factories, data centers, and public facilities. These are complemented by software-enabled monitoring solutions: the Power Quality Management System (PQMS) — comprising PQ-110M meter, PQ-RC data collector, and PQ-MS analysis software — for continuous power quality monitoring; the Energy Usage Monitoring System (エネルギー使用量監視システム) for demand visualization; and the SP盤 (Separated Power Panel) for rack-level data center power distribution. The company also offers two data center management modules: ecomoDC (environment monitoring/DCIM) and ecomoLM (rack key management system), both marketed under the ecomo branding. Maintenance and renovation services, renewable energy solutions (wind power), and building-specific solutions round out the portfolio. The company holds ISO 9001 and ISO 14001 certifications.

Differentiator

Problem solved

Functional benefit

Brands

• ecomoDC: Data center server room environment monitoring system / DCIM, monitoring power consumption, voltage, current, rack temperature, and power anomalies per server rack.
• ecomoLM
• SP盤 (Separated Power Panel)
• PQMS (Power Quality Management System)

Products and services

• Power Distribution Panels, Branch Panels, and Control Panels (配電盤・分電盤・制御盤) Primary product line including high-voltage switchgear (CW-class), cubic-type distribution panels, control panels, branch distribution panels, fire-rated cubic panels (JIS cubic), JEM cubic panels, plug-in breaker-equipped cubic panels, and Type 1 / Type 2 emergency distribution panels. Used in buildings, factories, data centers, and public facilities requiring reliable power distribution, fire safety, and seismic resistance.
• Power Quality Management System (PQMS) A three-component power quality monitoring and management system comprising PQ-110M (JIS Class 110 power quality meter with measurement, monitoring, and recording), PQ-RC (data collector storing up to 1,000 latest records with RS485 MODBUS/RTU and Ethernet TCP/IP communication), and PQ-MS (analysis software with root cause identification for power anomalies). Compliant with IEEE-Std 1100-2005 with harmonic analysis up to 62nd order, ITI curve analysis, event recording, power failure recording, and trace memory. Targets data centers, renewable energy operators, semiconductor facilities, communication stations, and hospitals.
• Energy Usage Monitoring System (エネルギー使用量監視システム) System that visualizes facility electricity consumption for energy-saving activities and regulatory compliance under the Energy Saving Act. Features include demand monitoring with target versus actual power display, flexible system configuration, data acquisition from third-party central monitoring systems and 集中検針 systems, and a low-wiring design for easy installation in existing facilities.
• Electrical Facility Maintenance and Renovation Services (電気施設の保守・改修) After-sales service offering that includes deterioration diagnosis (recommended for panels older than 15 years), periodic inspection (relay operation tests, control/protection relay tests, cleaning, and wiring bolt tightening), and panel modification/retrofitting (component replacement, repainting, and circuit changes/expansions). Services are designed to prevent electric shock, leakage, and fire accidents from aging degradation and to support compliance with current regulations.
• Building-Focused Solutions (ビル向けソリューション) Building sector solution suite encompassing distribution panels, control panels, fire-rated emergency panels, seismic-resistant cabinets, weatherproof outdoor units (IPX4 compliant), and power monitoring control systems for public facilities, commercial office buildings, and factory facilities.
• Data Center Solutions (データセンターソリューション) Comprehensive data center power infrastructure package including distribution panels with redundant power automatic control, power transfer panels, PDU/PDP panels, the patented SP盤 (Separated Power Panel), ecomoDC server room environmental monitoring/DCIM, and ecomoLM rack key management system. Quality testing capabilities include phase displacement, temperature rise, power transfer, and high-frequency generation tests.
• Renewable Energy Solutions (新エネルギー分野の取り組み) Small wind turbine systems that convert three-phase AC to DC via an AC/DC converter and then to commercial grid AC via a power conditioner (PCS), supporting low-voltage grid interconnection. Targeted at renewable energy operators in Japan.
• SP盤 Separated Power Panel (SP盤) Rack-mounted power distribution panel installed above server racks (registered patent No. 6859889). Features rack-level power supply with per-rack shutdown update capability, compliance with the measurement law for proportional electricity billing, integrated certified electric energy meter for green power billing data, and dual use as an aisle containment wall for construction cost reduction. Improves rentable area ratio in data centers by eliminating dedicated rack-footprint distribution panels.
• ecomoDC Data Center Environment Monitoring System Server room environmental monitoring and DCIM system that monitors per-rack power consumption, voltage/current, rack temperature, and power anomalies. Includes benchmarking and measurement law compliance, per-rack power measurement with certified meters, current threshold monitoring for trip prevention, SLA monitoring and recording, Web-based data access, email alerting, and integration with BMS and central monitoring systems via Modbus/RTU.
• ecomoLM Server Rack Key Management System Automated rack key management system that monitors rack door and lock status per server rack, with IC card access control and remote electric lock control via touch panel. Enables automated unmanned operations through integration with access control systems, supports history reporting, BMS integration, email alerting, and alarms.

Quantifiable outcome

• Chiba Factory serves as the only production facility in Chiba Prefecture for power distribution and panel products
• +2 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration8 records

AI capability2 records

Feature6 records

Partnerships

Seven partnerships are on record, tiered notable, core and minor.

• 株式会社第一エレクトロニクスnotableGTM or Marketing Partner · 1 May 2026Osaki Electric Systems exhibited at JECA FAIR 2026 (May 27-29, 2026) within Daiichi Electronics' booth.
• 日本電気株式会社 (NEC)notableGTM or Marketing Partner · 1 March 2026Osaki Electric Systems exhibited at DC JAPAN 2026 (March 24-25, 2026) within the NEC booth, showcasing SP盤 and other data center power solutions.
• 株式会社エニイワイヤnotableGTM or Marketing Partner · 1 June 2025Osaki Electric Systems exhibited at Interop Tokyo 2025 (June 11-13, 2025) in booths of both NEC and Anywire, showcasing PQMS power quality management systems and SP盤.
• 株式会社エネゲートcoreStrategic or Co-development Partner · 1 April 2007Business partnership established in April 2007 for cooperation in sales, technology, and production. 株式会社エネゲート is listed as a group company and key customer of Osaki Electric Systems.
• 日東工業株式会社coreStrategic or Co-development Partner · 1 July 2005Capital partnership established in July 2005, combining standard panels from Nitto Kohki with custom panels from Osaki Electric Systems to deliver new value through integration of standard and custom panel products.
• 大崎電気工業株式会社coreOthersParent company of Osaki Electric Systems. The Osaki Electric Group (連結従業員数2,960名) includes Osaka Electric Industries, EneGate, OSAKI United International Pte. Ltd., EDMI Limited, Osaki DataTech, Iwate Osaki Electric, Osaki Platech, Osaki Techno Service, and Osaki Estate. Osaki Electric Systems was spun off from Osaki Electric Industries in May 2000.
• 日本データセンター協会 (JDCC)minorOthersOsaki Electric Systems' products (power quality meter and power distribution panel with electricity measurement) were featured in the JDCC Data Center Server Room Technical Guidebook 2024 Edition.

Scale indicators5 records

Recent moves13 records

Expansion highlights5 records

Direct peers

• Vertiv Holdings: Direct peer: global specialist in data center power, thermal, and IT management infrastructure, including rack PDUs, DCIM, and power monitoring. Closely comparable to Osaki's SP盤 and ecomoDC product categories.
• Kawamura Electric (河村電器産業): Direct peer: established Japanese maker of power receiving/distribution equipment, control panels, and switchgear for buildings, factories, and data centers. Highly comparable product line and domestic customer base to Osaki Electric Systems.
• Nitto Electric Industry (日東工業): Direct peer: Japanese manufacturer of power distribution panels, control panels, and cubicle-type switchgear for buildings and factories. Osaki has an existing capital partnership with Nitto (since July 2005) to combine standard and custom panel offerings, indicating direct product overlap and channel adjacency.

Broad incumbents

• Fuji Electric: Broad incumbent: large Japanese electrical equipment manufacturer with overlapping switchgear, power distribution, and power quality product lines, serving industrial and data center customers globally.
• Eaton: Broad incumbent: large US-based provider of power distribution, switchgear, rack PDUs, and power quality products targeting data centers and industrial facilities. Strong overlap with Osaki's data center solutions and PQMS offerings.
• ABB: Broad incumbent: major global supplier of switchgear, switchboard apparatus, and power quality monitoring solutions serving data centers, utilities, and industrial customers. Overlaps with Osaki's PQMS and panel product categories.
• Mitsubishi Electric: Broad incumbent: one of Japan's largest electrical equipment manufacturers with switchgear, distribution panels, and building/factory power solutions. Overlaps with Osaki's core panel business and competes for similar enterprise and government customers.
• Schneider Electric: Broad incumbent: global leader in power distribution, switchgear, and data center infrastructure (including APC/NetShelter rack-level solutions). Comparable in switchgear and power monitoring; offers a much broader portfolio and global channel.
• Legrand: Broad incumbent: global specialist in electrical and digital building infrastructure including switchgear, rack PDUs, and data center power solutions (through subsidiaries such as Raritan/Server Technology). Comparable in panel and data center rack-level power.
• Toshiba (Toshiba Mitsubishi-Electric Industrial Systems / TMEIC): Broad incumbent: major Japanese maker of power electronics, switchgear, and industrial power systems. Competes with Osaki in industrial power distribution and power quality monitoring.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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 Osaki Electric Systems