8/10/2019 40A Breaker Control Switches

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40A BREAKER CONTROL SWITCHES

Switron Control switches are cam operated switches

which are ideal for use in industrial applications likeTripping and closing operations of circuits breaker

for localRemote /auto-manual selection of breaker

operations. The versatile design of these switchesenables infinite switching combinations. Switron

Control switches are manually operated and robust in

design incorporating double break butt contacts.

Specification:

Switron Control switches comply with IS-6875 Part

I, II, III, 1983 for utilization categories DC II and AC

II. As motor control applications switches comply

with IS 4046 part I & II AC3 category.

Electrical Data:

Thermal Current: 40A

Continuous Current: 32A

Operational Voltage DC/AC: 660Volts.

High Voltage Test: 2.5 KV (R.M.S).

Ambient Temperature: 55oC

Frequency of Operations: 300 cycles/hour

Mechanical life: 1 Million Operations.

Electrical life (AC inductive): 2.5lakh

Operations.

Short Time Withstand Current: 384A. for 1

Sec

Short Circuit Making Capacity: 542A

DC breaking capacity of each contact 2.5A at 250VDC L/R-20 M Sec.

DC breaking capacity can be increased by using

multiple series contacts for specific applications.

BREAKER

CONTROL

SWITCHES

LOST MOTION

CONTACTS

BREAKING CAPACITY AMP. DC

8/10/2019 40A Breaker Control Switches

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BREAKER CONTROL SWITCHES

Breaker control switches are essentially spring return switches having springreturn from either sides of neutral position at 45

o, other switching angles such

as 30o, 60

o, 90

ocan be provided on request. These switches can be provided

with following features.

a) Lost Motion Contacts (NAT & NAC):

In addition to main breaker contacts, lost motion contacts can be provided at rear side of switch

which indicate last operated position of breaker. These contacts are also known as Bell Alarm

contacts. Any number of such NAC & NAT contacts can be provided.

b) Sequence Locking Device:

This is a mechanical device incorporated in the spring return switch which prevents any two

successive operations generally successive closing operations are prevented, keeping trip free.

c) Centre Key Lock:

To prevent unauthorized operation of the switch, center key lock can be provided on the top

switch. It is lockable only in four positions at 90o(0

o, 90

o, 180

o, 270

o) and also at -45

o, +45

o.

Two varieties of locks available:-

Lever lock (L).

Tee type or knob type lock (T).

8/10/2019 40A Breaker Control Switches

3/4

40A BREAKER CONTROL SWITCHES

Switron Control switches are cam operated switches

which are ideal for use in industrial applications likeTripping and closing operations of circuits breaker

for localRemote /auto-manual selection of breaker

operations. The versatile design of these switchesenables infinite switching combinations. Switron

Control switches are manually operated and robust in

design incorporating double break butt contacts.

Specification:

Switron Control switches comply with IS-6875 Part

I, II, III, 1983 for utilization categories DC II and AC

II. As motor control applications switches comply

with IS 4046 part I & II AC3 category.

Electrical Data:

Thermal Current: 40A

Continuous Current: 32A

Operational Voltage DC/AC: 660Volts.

High Voltage Test: 2.5 KV (R.M.S).

Ambient Temperature: 55oC

Frequency of Operations: 300 cycles/hour

Mechanical life: 1 Million Operations.

Electrical life (AC inductive): 2.5lakh

Operations.

Short Time Withstand Current: 384A. for 1

Sec

Short Circuit Making Capacity: 542A

DC breaking capacity of each contact 2.5A at 250VDC L/R-20 M Sec.

DC breaking capacity can be increased by using

multiple series contacts for specific applications.

BREAKER

CONTROL

SWITCHES

LOST MOTION

CONTACTS

BREAKING CAPACITY AMP. DC

8/10/2019 40A Breaker Control Switches

4/4

BREAKER CONTROL SWITCHES

Breaker control switches are essentially spring return switches having springreturn from either sides of neutral position at 45

o, other switching angles such

as 30o, 60

o, 90

ocan be provided on request. These switches can be provided

with following features.

a) Lost Motion Contacts (NAT & NAC):

In addition to main breaker contacts, lost motion contacts can be provided at rear side of switch

which indicate last operated position of breaker. These contacts are also known as Bell Alarm

contacts. Any number of such NAC & NAT contacts can be provided.

b) Sequence Locking Device:

This is a mechanical device incorporated in the spring return switch which prevents any two

successive operations generally successive closing operations are prevented, keeping trip free.

c) Centre Key Lock:

To prevent unauthorized operation of the switch, center key lock can be provided on the top

switch. It is lockable only in four positions at 90o(0

o, 90

o, 180

o, 270

o) and also at -45

o, +45

o.

Two varieties of locks available:-

Lever lock (L).

Tee type or knob type lock (T).