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EFEN
Load Break Switches

Load Break Switches

Product catalog summary

Overview: EFEN offers a wide range of high-performance switch-fuses, load break switches, and changeover switches, tailored to meet customer needs and international standards. The company is a leading European market player, continuously updating its products.

Standards and Regulations: EFEN products adhere to international standards such as EN 60947-1, EN 60947-3, IEC 60947-3, and VDE 0660-T107, ensuring reliability and safety.

Product Types: The document details various switch types, including FWA, FWA-HLD, HSWA, FAM, FMU, and SILA, each designed for specific applications and electrical ratings.

Applications: EFEN switches are ideal for use in switchboards, panels, distribution boards, motor control centers, main generator switchboards, and critical infrastructure power supplies like airports and hospitals.

Design Features: Key features include high electrical performance, compact size, quick break forced operation, and modular design. Some models feature visible contacts in the off-position for enhanced safety.

Delivery and Accessories: Switches come with essential components like handles and escutcheon plates, with additional accessories available upon request.

Technical Specifications: Detailed specifications are provided for each switch type, including rated uninterrupted current, rated operational current, number of poles, maximum conductor cross-section, and overall dimensions.

Bypass Switches:

Types: FMU BY1, available in 3- and 4-poles, with current ratings from 63A to 800A.
Applications: Used in main generator switchboards and power supplies for critical systems.
Design Features: Unique switching arrangement, L-shape moving contact, high safety and performance, visible knife contact system.
Delivery: Includes handle and escutcheon plate, with additional accessories available on request.

Switch Fuses (DIN-Type):

Types: SILA-NH, available in 3-poles and 3-poles+N, with current ratings from 63A to 125A.
Applications: Suitable for various boards and panels.
Design Features: Small contact system, visible moving knife contacts, forced closing and opening, double break on incoming side.
Delivery: Comes with door coupling, interlock, shaft extension, padlockable handle, and escutcheon plate.

Switch Fuses (BS88-Type):

Types: SILA-BS, available in 3-poles and 3-poles+N, with current ratings from 25A to 125A.
Applications: Similar to DIN-Type fuses.
Design Features: Similar to DIN-Type with additional full isolation of fuse in "Off" position.
Delivery: Includes similar accessories as DIN-Type fuses.

Technical Specifications:

Rated uninterrupted current (I_u) and rated operational current (I_e) are specified for each type.
Maximum conductor cross-section and overall dimensions are provided for each model.

Additional Information:

More detailed dimensions and technical data are available on request.
Accessories such as neutral for 3 pole +N and various terminal types are listed with order numbers.

Catalog excerpts

Changeover Switches/ Load Break Switches/ Switch-Fuses

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EFEN switches provide an excellent product range with lots of benets in application, and technical design as well as a wide range of specic customer solutions. Since EFEN has a long tradition as producer of fuses and fuse switch systems, EFEN has establiched itself as market leader in Europe. EFEN will contine to develope according to customers requirements, specications and updated international regulations. FWA FWA-HLD HSWA FAM FMU (FMUN) FMU BY1 (FMUN BY1) SILA-NH SILAD-NH SILA-BS SILAD-BS Engineering progresses are a continuous process for EFEN. All information and data may therefore be changed...

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Contents Description Range Type AC21B AC22B AC23B Load Break Switches Load Break Switches Main Switches Load Break Switches Load Changeover Switches 1-0-2

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Load Break Switches 3- and 4-poles, 63 - 630A Type FWA APPLICATION • Switchboards, Panels • Distribution Boards, Motor Control Centres DESIGN FEATURES • High performance • Small dimensions • Quick break forced operation • Double break contacts More information (dimensions, technical data) on request. DELIVERY INCLUDES Switches are delivered complete with handle and escutchion plate. Other accessories on request. Rated un- Rated oper. interrupted current current Iu Ie AC22B 415V No. of Maximum Poles conductor cross section Overall dimensions WxHxD Order No. TKVWV; door coupling, interlock, shaft...

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Load Break Switches 3- and 4-poles, 205 - 1250A Type FWA-HLD APPLICATION • Heavy duty requirements of industry • Main switchboards • Motor control centres DESIGN FEATURES • High electrical performance AC23 • Compact dimensions • Quick break forced operation • Various optional accessories More information (dimensions, technical data) on request. FWA-HLD 63/3 with cable clamps and auxiliary contact DELIVERY INCLUDES Switches are delivered complete with handle and escutchion plate. Other accessories on request. Rated un- Rated oper. interrupted current current Iu Ie AC22B 415V Rated oper. current...

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Main Switches 3- and 4-poles, 250 - 630A Type HSWA APPLICATION • Machine tools, injection moulding machines • Main switch boards • Control boards DESIGN FEATURES • Modular, compact design • High electrical performance AC23 • Compact dimensions • Various optional accessories More information (dimensions, technical data) on request. DELIVERY INCLUDES Switches are delivered complete with door coupling, interlock, shaft extension, terminal cover for incoming terminals, padlockable handle and escutchion plate. Other accessories on request. Rated un- Rated oper. interrupted current current Iu Ie AC22B...

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Main Switches 3- and 4-poles, 800 - 1250A Type HSWA APPLICATION • Machine tools, injection moulding machines • Main switch boards • Control boards DESIGN FEATURES • Modular, compact design • High electrical performance AC23 • Compact dimensions • Various optional accessories More information (dimensions, technical data) on request. DELIVERY INCLUDES Switches are delivered complete with door coupling, interlock, shaft extension, terminal cover for incoming terminals, padlockable handle and escutchion plate. Other accessories on request. Rated un- Rated oper. interrupted current current Iu Ie AC22B...

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Load Break Switches 3- and 4-poles, 63 - 300A Type FAM APPLICATION • Switchboards, Panels • Motor Control Centres DESIGN FEATURES • High ratings and performance • Strong knife-contact system • Double break • Visible contacts in Off-position More information (dimensions, technical data) on request. DELIVERY INCLUDES Switches are delivered complete with handle and escutchion plate. Other accessories on request. Rated un- Rated oper. interrupted current current Iu Ie AC21B 690V Rated oper. current Ie AC22B 415V No. of Maximum Poles conductor cross section Overall dimensions WxHxD Order No. KLAD;...

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Load Changeover Switches 3- and 4-poles, 63 - 800A Type FMU (FMUN) APPLICATION • Main generator switchboards • Power supplies for airports, hospitals, broadcasting • Switchboards at telecommunication systems DESIGN FEATURES • Unique switching arrangement • Unique L-shape moving contact • High safety and performance • Visible, strong knife contact system More information (dimensions, technical data) on request. DELIVERY INCLUDES Switches are delivered complete with handle and escutchion plate. Other accessories on request. Rated un- Rated oper. interrupted current current Iu Ie AC21B 415V No....

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Load Changeover Switches 3- and 4-poles, 1000 - 2000A Type FMU APPLICATION • Main generator switchboards • Power supplies for airports, hospitals, broadcasting • Switchboards at telecommunication systems DELIVERY INCLUDES Switches are delivered complete with handle and escutchion plate. Other accessories on request. Rated un- Rated oper. interrupted current current Iu Ie AC21B 415V No. of Maximum Poles conductor cross section Overall dimensions WxHxD Order No. TKVWV; door coupling, interlock, shaft extension Order No. KLAD; overall terminal shroud

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Bypass Switches 3- and 4-poles, 63 - 800A Type FMU BY1 (FMUN BY1) APPLICATION • Main generator switchboards • Power supplies for airports, hospitals, broadcasting • Switchboards at telecommunication systems DESIGN FEATURES • Unique switching arrangement • Unique L-shape moving contact • High safety and performance • Visible, strong knife contact system More information (dimensions, technical data) on request. DELIVERY INCLUDES Switches are delivered complete with handle and escutchion plate. Other accessories on request. Rated un- Rated oper. interrupted current current Iu Ie AC21B 415V No. of...

Open the catalog to page 11

Bypass Switches 3- and 4-poles, 1000 - 2000A Type FMU BY1 APPLICATION • Main generator switchboards • Power supplies for airports, hospitals, broadcasting • Switchboards at telecommunication systems DESIGN FEATURES • Unique switching arrangement • Unique L-shape moving contact • High safety and performance • Visible, strong knife contact system More information (dimensions, technical data) on request. DELIVERY INCLUDES Switches are delivered complete with handle and escutchion plate. Other accessories on request. Rated un- Rated oper. interrupted current current Iu Ie AC21B 415V No. of Maximum...

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Load Break Switches

Load Break Switches

Catalog excerpts

All EFEN catalogs and technical brochures