China 15kv 27kv 38kv Outdoor Dead Tank Vacuum Circuit Breaker

1.Introduction

ZW32-15KV/27KV/38KV Outdoor Dead Tank Vacuum Circuit Breaker is designed to meet all applicable ANSI, NEMA and IEEE standards.

ANSI/IEEE C37.04-1999 rating structure for ac high-voltage circuit breakers

ANSI/IEEE C37.06-2009 preferred ratings ac high-voltage circuit breakers

ANSI/IEEE C37.09-1999 test procedure for ac high-voltage circuit breakers

NEMA SG4-2009 ac high-voltage circuit breakers.

2.Magnetic-actuator operator features:

Design adapted from type TD stored-energy operator configuration, High-voltage compartment configuration identical to stored energy version

Design tested to ANSI/IEEE C37.09, Built-in fast discharge circuit for electronic controller power capacitors

Manual opening handle requires very modest force for operation, Electronic controller life estimated at 30 years.

4.SPECIFICAITON

ITEM

UNIT

15KV

27KV

38KV

Lightning Impulse Withstand Voltage 1.2/50us

KV

110

150

200

Power Frequency Withstand Voltage

KV

50

60

80

Rated Short Circuit Breaker

KA

20/25/31.5

20/25/31.5

20/25/31.5

DC Component

%

48%

48%

48%

Rated Making Closing Current

KA

52/65/82

52/65/82

52/65/82

Rated duty cycle

o-3s-180s-co

o-3s-180s-co

o-3s-180s-co

Rated Current

A

630/1250/2000

630/1250/2000

630/1250/2000

Rated Transient Recovery Voltage

Uc TRV Peak Value

29.2

52

71.7

Time to voltage Uc

32

45

59

Heater

w

3x100w

3x100w

3x100w

Auxiliary voltage

DC/AC

125/220

125/220

125/220

Radio Influence Voltage

RIV 1000KMZ

LESS 600

LESS600

LESS600

CT Input side

0.2/5P/5VA

0.2/5P/5VA

0.2/5P/5VA

CT Output side

0.2/5P/5VA

0.2/5P/5VA

0.2/5P/5VA

With Control

CHK

CHK

CHK