Auxiliary Switch with Butting Contacts

Product description and important technical particulars:

Application:

Can be used as Auxiliary Switch

1. For HV, EHV, Off load Isolators
2. For 33, 66, 110, 220, 400 and 765kv SF6 Circuit Breakers
3. For 3.3, 6.6, 11, 33 and 66kv VCBs
4. For controlling and signaling circuits

NO/ NC Combinations available and dimension

1. LINO + 1NC – 27x43x42 mm
2. 2NO + 2NC – 27x43x62 mm
3. 3NO + 3NC – 27x43x82 mm
4. 4NO + 4NC – 27x43x102 mm
5. SNO + 5NC – 27x43x122 mm

• any special requirements other than the above can also be supplied on request.

DC breaking capacity

1. 1 Amp at 220V DC
2. 2 Amps at 110V DC
3. 4 Amps at 48V DC
4. 8 Amps at 24v DC

AC breaking capacity:

1. 10Amps at 110V AC
2. SAmps at 220V AC

Continuous current rating:

10Amps

L/R Ration:

20 mili seconds

Insulation Resistance:

> than 500 Mega Ohms

Movement of the operating shaft:

58° + 58° = 116°

 Shaft Size

8mm dia round shaft with 38mm projection at the driving end

Specific information with respect to operation of the switch:

This is a cam operated switch with butting type of contacts. The contact rivets are made of fine grain silver and nickel.

Rotary Auxiliary Switch with Wiping Type of Contacts

Product description and important technical particulars:

Application:

Can be used as Auxiliary Switch

1. For Medium Voltage off load Isolators
2. For Medium Voltage SF6 Circuit Breakers

iii. For Medium Voltage VCBs

iv.For Medium and signaling circuits

NO/ NC Combinations available and dimension

1. 2NO+2NC (4 packets)
2. 3 NO + 3NC (6 packets)
3. 4 NO + 4NC (8 packets)
4. 6 NO + 6NC (12 packets)

• any special requirements other than the above can also be supplied on request.

Dimensions:

Dimension of 1 packet is 44 x 64 x 43.5 mm

Note : For switch with multi packets, add 6.5mm per packet to the dimension of 43.5mm indicated above to get the over all length of the switch

DC breaking capacity

2 Amps at 110V DC

 AC breaking capacity:

1. 10Amps at 110V AC
2. SAmps at 220V AC

Continuous current rating:

10Amps

 L/R Ration:

20 mili seconds

Insulation Resistance :

> than 500 Mega Ohms

Movement of the operating shaft:

Shaft Size

8mm Sq. shaft with 40mm projection at the driving end. If required we can supply in other shaft sizes depending on the specific requirements

Specific information with respect to operation of the switch:

This is a rotary switch in which delayed on time and delayed off time indicated as above can be given.

Trip Coil Suitable for DC Auxiliary Supply

Product description and important technical particulars:

Application:

Used as closing and Tripping low voltage Air circuit breaker and Medium Voltage Vaccum Circuit breakers

Voltage Rating

Can be supplied suitable for 110, 220 Volts DC

Wattage of the coil

230 Watts

Dimensions:

35×35 x60mm

Stroke length:

23mm

Speciality:

1.          This coil is being provided with separate clip on type terminal box

2.          The coil is fully enclosed inside the yoke

3.          Very compact and except for the operating shaft all other parts are fully enclosed

Shunt Trip and closing coil and under voltage coil suitable for AC and DC auxiliary supply

Product description and important technical particulars:

Application:

Used as closing and Tripping low voltage Air circuit breaker and Medium Voltage Vacuum Circuit breakers

Voltage Rating

Can be supplied suitable for 24,48, 110, 220 and 380 Volts AC/DC

Wattage of the coil

This is special design where 2 coils are provided on the same bobbin.

One coil is used for launching purposes and the other coil is used for holding purposes. Launching coil will draw the power for a short while, whereas holding coil will be there in the circuit continuously.

Launching coil – 200 watts

Holding coil – 5 watts

Dimensions:

65 x50 x 80 mm

Stoke length: 21mm

Speciality:

1. Since provided with PCB with electronic circuit, same assemble and be used both an DC/AC
2. For under Voltage sensing and tripping, a separate coil assembly and be supplied for ratings 110, 220 & 380 Volts AC

Operating Coil Suitable for DC Auxiliary Supply

Product description and important technical particulars:

Application:

Used for closing and Tripping medium voltage SF6 circuit breakers and Vacuum circuit breakers.

Voltage Rating

Can be supplied suitable for 24, 48, 110, 220 and 380 Volts DC

Wattage of the coil

500 Watts

Dimensions:

48 x 50x 100 mm

Stroke length:

25 mm

Pull Force:

Upto 13 kg (Approx)

Speciality:

If required it can be provided with clip on type terminals or wires with pin type lug.

Plug and Socket with 11 Contacts

Product description and important technical particulars:

Application: Used as draw out carriage assembly and fixed portion of the draw out carriage to have the continuity of the auxiliary circuits even in test position of the carriage.

Voltage Rating

Can be upto 500 Volts AC/DC

Continuous current carrying capacity

10 Amps AC/DC

Length of contacts:

55mm

Dimensions:

98 x66 x 74mm