What Scle does

SCLE is a French private industrial manufacturer and integrator founded around 1974 and headquartered in Toulouse, with a secondary site in Marseille. The company designs and builds high-technology equipment for two primary verticals: the energy sector, where it supplies protection relays (IED, ARKENS PR/SV/CC, PCCN, ARKENS DCS), power electronics and energy conversion systems, substation-level metering and time-synchronization equipment (TCFM, Qualimétrie), and nuclear-grade hardware (MODUMAT NG); and the railway/urban transport sector, where it delivers SIL-certified safety-critical signaling systems (BGS4SIL) plus traction power supply control and connected-maintenance digital applications. An industry segment provides protection relays and measurement products to industrial customers such as SOLVAY and FERROPEM. The portfolio is rounded out by the RINGO battery-container energy storage solution, signaling extension into grid-scale storage.

Underlying technology centers on deterministic, certified hardware (SIL-graded signaling, nuclear-qualified equipment) with proprietary product families and an "Origine France Garantie" certified domestic manufacturing footprint. The platform is complemented by a lifecycle services stack covering engineering, production and integration, commissioning/operations, and operational maintenance (MCO), creating recurring aftermarket revenue tied to the installed base.

SCLE's business model is B2B enterprise field sales: direct engagement with major French utilities (ENEDIS, EDF, ENGIE), railway and metro operators (SNCF Réseau, RATP), renewable developers (VALECO), and selected industrial customers. Revenue is generated through hardware sales, project-based engineering and integration services, and long-term maintenance contracts. Pricing is not publicly disclosed and is understood to be quote-based per project given the customized nature of HV and rail infrastructure deployments. Geographic scope is explicitly France-only. Certifications include ISO 9001, ISO 14001, ISO 50001, ISO 27001, MASE SUD OUEST, Origine France Garantie, and the EFQM Global Award 7 Star (2021).

Name

Scle

Legal name

SCLE

Website

https://scle-sfe.fr

Company type

Private

Founded year

1974

Operating status

Operating

Headcount range

251–500 employees

Short description

SCLE is a French private industrial manufacturer founded around 1974 in Toulouse that designs protection relays, substation automation, power electronics, and SIL-certified railway signaling systems for French utilities (ENEDIS, EDF), transport operators (SNCF Réseau, RATP), and industrial customers.

Ownership category

akta.pro rank

Product category

Industrial Electrical Protection Equipment

NAICS

Relay and Industrial Control Manufacturing (335314), Switchgear and Switchboard Apparatus Manufacturing (335313), Electrical Equipment Manufacturing (33531)

SIC

Switchgear & Switchboard Apparatus (3613), Electrical Industrial Apparatus (3620), Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Protection Relays & Protection IEDs (EUADACAE)

akta.pro secondary industries

Rail SCADA & Power/Electrification Control (Traction Power, Substations, OCS) (TLAJAEAF), Rail Signaling & Train Control Infrastructure (Interlockings, ETCS/CBTC Wayside) (TLAJADAB), High-Voltage Electrical Systems (Switchgear, Transformers, Protection & Control) (EUAEAFAA)

Keywords

• Protection relays
• Railway signaling systems
• Power electronics conversion
• High-voltage substation equipment
• Nuclear facility equipment

Headquarters

HQ city

Toulouse

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Equipment Manufacturing and Sales: SCLE designs and manufactures high-tech equipment including protection relays, power electronics, and railway signaling systems. Products are sold as standalone equipment to utilities and transport operators.
2. Engineering and Integration Services: Provides engineering expertise, system integration, commissioning, and operational support services for installed systems
3. Maintenance and Support (MCO): Long-term maintenance and support services for客户的现有安装 base, providing recurring revenue from service contracts

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

SCLE designs, manufactures, and integrates high-voltage protection relays, power electronics, and railway signaling systems for the energy and railway sectors. Its portfolio spans Intelligent Electronic Device (IED) protection relays (ARKENS family), distributed control systems (ARKENS DCS), SIL-certified railway signaling (BGS4SIL), nuclear-grade equipment (MODUMAT NG), and associated lifecycle services covering engineering, integration, commissioning, and long-term operational maintenance (MCO).

Product overview

SCLE is a French industrial manufacturer and integrator specializing in high-technology products and services for the Energy and Railway sectors. The company operates a platform-plus-modules architecture with three core product lines: (1) Energy solutions including the IED/ARKENS protection relay family (PR, SV, CC variants), ARKENS DCS distributed control system, PCCN and CCN protection/automation solutions, power electronics/conversion equipment, measurement products (selective voltmeters, energy meter calibration, quality measurement), and nuclear facility equipment (MODUMAT NG); (2) Railway transport solutions featuring the BGS4SIL safety-critical signaling system with digital applications, railway signaling blocks, traction power supply control/command systems, and connected maintenance services; and (3) Industry solutions with protection relays and time synchronization. SCLE also provides comprehensive services spanning engineering and expertise, production and integration, commissioning and operation, and operational maintenance support (MCO). Products are certified Origin France Garantie.

Differentiator

Problem solved

Functional benefit

Brands

• IED: Protection, control, command and automation equipment for energy networks
• ARKENS
• ARKENS DCS
• PCCN / Gamme PCCN
• MODUMAT NG
• BGS4SIL Series
• RINGO
• TCFM

Products and services

• ARKENS Protection Relay Family (IED — PR, SV, CC variants)

Named customers8 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Eaton: Global manufacturer of protection relays, switchgear, and power management solutions. Competes with SCLE's IED/ARKENS products in industrial and utility segments across Europe.
• Schneider Electric: French global leader in energy management and automation with overlapping protection relay, substation automation, and grid solutions offerings. Competes head-to-head with SCLE's IED/ARKENS family across ENEDIS, EDF, and industrial customers.
• ABB: Global supplier of protection relays, substation automation, and power electronics — directly comparable to SCLE's IED/ARKENS and ARKENS DCS product lines for utility and industrial customers.
• Siemens: Competes across SCLE's full footprint with SIPROTEC protection relays, grid automation, AND rail signaling (CBTC/ETCS). Direct rival in both energy and transport verticals, particularly with SNCF Réseau and RATP.
• GE Vernova (Grid Solutions): Inherited Alstom Grid's protection and substation automation portfolio. Directly competes with SCLE's protection relay and substation control offerings in French utility tenders and globally.
• Hitachi Rail: Major railway signaling and train control supplier, directly comparable to SCLE's BGS4SIL signaling and traction power solutions. Competes for SNCF Réseau and urban transit modernization contracts.
• Thales: Provides signaling and safety-critical systems for mainline rail and urban transit. Direct competitor to BGS4SIL for SNCF and metro signaling tenders, with strong French footprint.
• Schweitzer Engineering Laboratories (SEL): US-based specialist in protection relays, automation, and secure communications for power systems. Closest pure-play competitor to SCLE's IED/ARKENS protection relay family.
• Alstom: French rail rolling stock and signaling company with ATLAS signaling product line. Directly comparable to SCLE's BGS4SIL for SNCF and urban transit customers, with overlapping traction power expertise.

Emerging players

• Socomec: French specialist in power conversion, energy storage, and energy metering. Comparable in scale and French-utility focus, and overlaps with SCLE's power electronics, RINGO storage, and TCFM tariff transmission offerings.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

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 Scle