TD-12/1600-31.5C(1015)

Ceramic VACUUM INTERRUPTER FOR CIRCUIT-BREAKER

Voltage ratings Atrated contact stroke

Rate Frequency

Hz

50

Rated Voltage

kV

12

1min

Short-time(1min)Power-frequency Withstand Voltage

kV

42

Lightning Impulse Withstand Voltage (Peak)

kV

75

Current ratings

Rated Current

A

1600

Rated Short-circuit Breaking Current

kA

31.5

Rated Short-time Withstand Current

kA

31.5

Rated Peak Withstand Current

kA

80

Rated Short-circuit Making Current

kA

80

Rated Single Capacitor Bank Breaking Current

A

400

Rated Back-to-back Capacitor Bank Breaking Current

A

400

Rated Duration of Short-circuit

s

4

Circuit Resistance at Min. Rated Contact Force

μΩ

≤15

Mechanical data

Contact Closed Force Due to Bellows and Atmosphere

N

90±40

Counterforce of Contact at Full Stroke

N

180±40

Mass of Moving Parts

kg

1.0

life

Mechanical Endurance

Operation

10000

Contact Limit Erosion

mm

3

Switching Operations of Rated Short-circuit Breaking Current

Operations

30

Shelf Life

Years

20

Internal Gas Pressure

Pa

≤1.33×10^-3

Rated Operating Sequence

-0.3--180-

O-0.3s-CO-180s-CO

MECHANICAL  DATA  OF  VACUUM  SWITH  EQUIPPED  WITH  THE  INTERRUPTERS

6mm

Average Opening Speedfirst 6mm

m/s

1.1±0.2

Out of Simultaneity of Contact Closing and Opening

ms

≤1

6mm

Average Closing Speedlast 6mm

m/s

0.6±0.2

Rated Contact Pressure

N

3000+300 0

Contact Bounce Duration at Closing Operation

ms

≤2

Maximum .Rebound During opening

mm

≤2

Clearance Between Open Contacts

mm

11±1