SIBA Fuses GmbH

What SIBA Fuses GmbH does

SIBA Fuses GmbH is a privately held, family-owned German manufacturer of electrical melt fuses (Schmelzsicherungen) for industrial circuit protection, headquartered in Lünen with more than 500 employees at its central production facility. The company's product portfolio comprises five core lines — HH Hochspannungssicherungen (high voltage fuses), UR ULTRA rapid®-Sicherungen (ultra-rapid semiconductor and power-electronics fuses), NH Niederspannungssicherungen (low voltage fuses), GS Geräteschutzsicherungen (equipment protection fuses), and S Sondersicherungen (custom and special-purpose fuses) — totaling more than 10,000 variants and accessories manufactured on a single site in Germany. Its flagship technical capability is a 260kA breaking capacity at 1500V DC, currently the highest-rated in the industry for battery energy storage system (BESS) applications.

SIBA generates revenue primarily through B2B hardware sales of these fuse products, sold via direct sales, inside sales, and a global channel of 40+ own subsidiaries and independent sales partners operating in more than 40 countries. Pricing is quote-based and specification-driven rather than publicly listed, and the company positions itself as both a catalog supplier and a qualified fast-track custom-engineering partner for customer-specific fuse solutions. Customer segments are enterprise industrial buyers in battery energy storage, renewable energy generation, railway and transportation, smart grid and power distribution, industrial automation, and power electronics. Marketing and lead generation run through major industry trade shows (ees Europe/Intersolar, Middle East Energy, InnoTrans, electronica), the multilingual corporate website, and a structured social media presence; an online Fuse Detector tool supports product discovery across the catalogue. The company is privately held under the GmbH legal structure with no disclosed parent company, and no funding rounds, M&A, or leadership changes are reported in the available data.

Name

SIBA Fuses GmbH

Legal name

SIBA GmbH

Website

https://siba.de

Company type

Private

Founded year

1946

Operating status

Operating

Headcount range

51–100 employees

Short description

SIBA Fuses GmbH is a family-owned German manufacturer of electrical fuses for industrial circuit protection, producing more than 10,000 variants across high-voltage, low-voltage, equipment-protection, semiconductor, and custom fuse lines, and serving enterprise customers in battery storage, renewable energy, rail, and smart grid markets across 40+ countries.

Ownership category

akta.pro rank

Product category

Electrical Circuit Protection (Fuses)

NAICS

Relay and Industrial Control Manufacturing (335314), Wiring Device Manufacturing (33593)

SIC

Switchgear & Switchboard Apparatus (3613), Electrical Industrial Apparatus (3620)

akta.pro primary industry

Circuit Protection Devices (MCBs, MCCBs, ACBs, fuses, RCD/GFCI, surge protection) (IMAGAEAB)

akta.pro secondary industries

Circuit Breakers, Disconnectors, Earthing Switches & Switchgear Components (EUADACAH), Power Modules (IGBT/MOSFET/SiC/GaN Modules) (HDAHAHAH), HVDC Converter Transformers, Reactors & Harmonic Filters (EUADAMAC)

Keywords

• Electrical fuse manufacturing
• High voltage fuses
• Circuit protection products
• Semiconductor protection fuses
• Equipment protection fuses

Headquarters

HQ city

Lünen

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Fuse Products and Accessories: Sale of electrical melt fuses including high voltage (HH), low voltage (NH), equipment protection (GS), specialty fuses (S), and ULTRA rapid® series. Revenue generated from product sales of over 10,000 fuse variants and accessories.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels3 records

Core offering

SIBA Fuses GmbH designs, manufactures, and sells electrical melt fuses (Schmelzsicherungen) for circuit protection across high voltage, low voltage, equipment protection, semiconductor, and specialty applications. Its product portfolio spans more than 10,000 fuse variants and accessories, including the proprietary ULTRA rapid® series and fuses with industry-leading 260kA breaking capacity at 1500V DC for battery storage systems. The company also offers custom-engineered fuse solutions built to customer specifications.

Product overview

SIBA Fuses GmbH offers a comprehensive portfolio of electrical fuse solutions, comprising five core product lines: HH Hochspannungssicherungen (high voltage fuses), UR ULTRA rapid®-Sicherungen (ultra-rapid semiconductor protection fuses), NH Niederspannungssicherungen (low voltage fuses), GS Geräteschutzsicherungen (equipment protection fuses), and S Sondersicherungen (custom special fuses). The company provides more than 10,000 fuse variants and accessories, with a flagship capability of 260kA switching capacity at 1500V DC for battery storage system (BESS) applications. SIBA positions itself as both a standard product manufacturer and a custom engineering partner, offering fast-track development services to customer specifications. The products serve applications including renewable energy systems, smart grids, energy distribution, battery storage, and metering equipment.

Differentiator

Problem solved

Functional benefit

Brands

• ULTRA rapid®: Ultra rapid fuses for semiconductor protection

Products and services

• HH High Voltage Fuses (Hochspannungssicherungen) High voltage fuses engineered to provide circuit protection for high voltage applications, with the product family supporting up to 260kA switching capacity. Designed for industrial, utility, and BESS applications requiring high fault-current interruption.
• UR ULTRA rapid® Semiconductor Protection Fuses Proprietary ULTRA rapid® ultra-rapid fuse series delivering ultra-fast acting protection for semiconductors and power electronics in industrial applications. Registered trademark of SIBA.
• NH Low Voltage Fuses (Niederspannungssicherungen) Low voltage fuses providing standard circuit protection for industrial and commercial electrical systems, with NH0, NH00, NH1, NH2, NH3, NH4 and other standardized sizes and characteristics including gG, aR, gR and others.
• GS Equipment Protection Fuses (Geräteschutzsicherungen) Equipment protection fuses engineered to protect devices, appliances, machines, and metering equipment. Featured as a Smart Grid application solution.
• S Special Fuses (Sondersicherungen) Custom and special-purpose fuses engineered to customer specifications for unique application requirements, supported by SIBA's qualified fast-track custom engineering service.

Quantifiable outcome

• 260kA breaking capacity at 1500V DC - highest available for battery storage systems
• +1 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Own Subsidiaries and Sales PartnerscoreChannel Partner/ Reseller/ Distributor40+ own subsidiary companies and independent sales partners operating in 40+ countries worldwide, providing direct market access and local support for customers globally.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• ABB: ABB is a global electrification and automation leader offering fuses and comprehensive switchgear, protection relays, and power distribution solutions. While its fuse business is part of a much broader portfolio, ABB competes with SIBA in utility, railway, and industrial infrastructure protection projects where integrated solutions are preferred.
• Legrand: Legrand is a French-listed global specialist in electrical and digital building infrastructures, including a portfolio of protection devices and wiring accessories. It competes with SIBA in commercial and industrial electrical installations across Europe, though its fuse business is a smaller part of a much wider product portfolio.
• Hager Group: Hager Group is a German-French family-owned electrical infrastructure specialist offering wiring devices, distribution boards, and protection equipment. While its fuse offering is narrower than SIBA's, Hager competes in the European building, energy distribution, and BESS-adjacent infrastructure markets with similar family-company heritage.
• Schneider Electric: Schneider Electric is a global energy management and automation giant with fuse and circuit protection offerings as part of its extensive electrical distribution portfolio. It competes with SIBA primarily in smart grid, building, and energy infrastructure projects where Schneider's broader digital and protection offering is bundled together.
• Siemens: Siemens is a German-headquartered global technology company with a significant electrical products and smart infrastructure business, including fuse and protection devices. As a fellow German industrial major, it competes with SIBA in utility substations, railway electrification, and industrial power distribution projects across Europe.

Direct peers

• Mersen: Mersen is a French-listed global specialist in electrical protection and high-performance materials with a major fuse product line serving similar industrial, energy storage, and railway markets. Its product portfolio, including Ferraz Shawmut fuses, directly competes with SIBA's HH, NH, and ULTRA rapid series across European and global accounts.
• Bel Fuse: Bel Fuse is a US-listed manufacturer of circuit protection products including fuses, magnetics, and power conversion solutions. It competes with SIBA in industrial and power electronics fuse applications, particularly in custom-engineered fuse solutions for OEM customers.
• Eaton (Bussmann series): Eaton's Bussmann division is one of the world's largest fuse manufacturers, offering low-voltage, high-voltage, and ultra-rapid semiconductor fuses across industrial, energy, and transportation markets. It is the most direct global competitor to SIBA, with comparable product breadth and similar customer focus on renewables, BESS, and power distribution.
• Littelfuse: Littelfuse is a US-listed global circuit protection leader offering fuses, semiconductor protection devices, and relays across automotive, industrial, and electronics markets. Its semiconductor protection fuse portfolio competes head-to-head with SIBA's ULTRA rapid® series, particularly in power electronics and renewable energy applications.
• Schurter: Schurter is a Swiss-based specialist in circuit protection, including fuses, and complementary EMC and input systems. It is a comparable mid-sized European family-style manufacturer focused on equipment protection fuses and custom solutions, similar to SIBA's GS and S series products.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCNBpe8rPQWIxdowOPLU-RMQ?
• Facebookfacebook.com/sibaluenen
• LinkedInlinkedin.com/company/sibagmbh
• Instagraminstagram.com/siba_gmbh

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 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 SIBA Fuses GmbH