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SIWOH1(GLR) series switch-disconnector-fuse 

Product General

SIWOH1(GLR) series switch-disconnector-fuse (hereinafter called as switch for short) is a kind of multipole manual operation switch. It adopts DMC enclosure which has high dielectric property,protective capability and operating safety.

The operating mechanism is an accelerating mechanism of spring stored energy and instantaneous release which instantaneously make and break multi-breakpoint contact structure. It has no relationship with the speed for operating the handle. Thus,greatly increase all electrical and mechanical properties.

The switch can ensure make and break circuit under load,the switch equipped with fuse which give reliable making and breaking protection to against over-current or short-circuit.

High resistance to wet heat.

The switch is beautiful,novel,simple,small size and has complete functions. It's the best choice among the similar products.

SIWOH1(GLR) series product has acquired China Compulsory Certificate.

Product Features

1. Accelerating mechanism of spring stored energy and instantaneous release realizes quick making and breaking (13.8m/s). It has no relationship with the speed for operating the handle. Thus ,greatly increase the capability of extinguishing electric arc.

2. The DMC enclosure has excellent flame retardant property,dielectric property,operating safely.

3. The parallel multi-breakpoint contact has self-cleaning function.

4. It can ensure make and break circuit under load,and has the function of reliable protection to against over-current or short-circuit.

5. It's safer,quicker and more convenient to change fuse.

SIWOH1(GLR) series swich-disconnector- fuse  conforms to the following standards

International Standard

IEC 60947-1 Low-voltage switchgear and controlgear Part one: General rules

IEC 60947-3 Low-voltage switchgear and controlgear,switches, disconnectors, switch-disconnectors and fuse combination units

Operation Environment and Usage

Operation environment  SIWOH1 (GLR) series switch-disconnector-fuse can work reliably under the following conditions:

Height above sea level does not exceed 2,000m;

Ambient temperature is not higher than +40? and not lower than -5? ;

Relative humidity does not exceed 50% when temperature is +40?;

Some special measures should be adopted on the condensation caused by change in temperature;

No explosive dangerous medium environment;

No rain and snow attack environment;

Pollution degree is 3.

Usage  AC 50Hz, rated voltage up to 380V,ratde current from 32A to 1250A. The switch-disconnector-fuse used for infrequently making and breaking circuit. 690V products are used for electric isolation.

If customer has any special requirement for products, please contact with the company.

Model description of SIWOH1(GLR) series switch-disconnector-fuse

 

 

SIWOH1 (GLR) switch-disconnector-fuse(specification of fuse links)

 

 

SIWOH1 (GLR) 32~1250 switch-disconnector-fuse

Electrical and mechanical properties of SIWOH1(GLR)-32~1250 switch-disconnector-fuse

 

Diagram of SIWOH1(GLR)-63~1250 switch-disconnector-fuse