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Home ProductsVacuum Contactor Unit

Zn85-40.5 Vacuum Contactor Unit Three Phase Hv Vacuum Circuit Breaker

Zn85-40.5 Vacuum Contactor Unit Three Phase Hv Vacuum Circuit Breaker

Zn85-40.5 Vacuum Contactor Unit Three Phase Hv Vacuum Circuit Breaker

Product Details:

Place of Origin: China
Brand Name: ERFA
Certification: ISO9000, XIHARI
Model Number: Zn85 40.5

Payment & Shipping Terms:

Price: Negotiated
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Detailed Product Description
Rated Voltage: 40.5kv Type: Indoor
Sea-level Altitude: ≤ 1000m Water Vapor: Monthly Mean ≤ 1.8Mpa
Rated Frequency: 50Hz Rated Current: 1000A 1250A 1600A 2000A
High Light:

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6.6 kv vacuum circuit breaker

Product Description

ZN85 40.5 vacuum circuit breaker
1, indoor type
2, 3phase
3, rated voltage: 40.5kv
4, apply for GB IEC
36kv vacuum circuit breaker
Type ZN85-40.5 indoor alternating current high voltage vacuum circuit breaker
Usage and Characteristics
Type ZN85-40.5 indoor alternating current high voltage vacuum circuit breaker is applicable for the three-phase AC 50Hz. 40.5kv power system. It can used as the protective and contorl device in the industrial and mining enterprise. Power plant and substation. It is applicable for frequently operation.
The circuit breaker meet the requirements of state standard GB 1984 Alternating current high voltage circuit breaker and JB3855 3.6-40.5kv indoor alternating current high voltage vacuum circuit breaker
Service and Environmental Condition
1, Ambient Temperature: -25° C~+40° C, Daily mean: ≤ 35° C
2, Relative humidity: Daily mean ≤ 95%, monthly mean ≤ 90%, Water Vapor: Daily mean ≤ 2.2Mpa
3, Water Vapor: Monthly mean ≤ 1.8Mpa
4, Sea-level Altitude: ≤ 1000m
5, no dust, smoke, corrosive and inflammable gas, vapor, salt spray or strenuous vibration.
6, The amplitude of electromagnetic interference induced in the auxiliary circuit: ≤ 1.6KV
 
 
Main Technical Parameters
No. Item Unit Data
1 Rated voltage KV 40.5
2 Rated insulation level Power frequency withstand voltage 1min (effective value) KV 95
Lightning impulse withstand voltage (effective value) KV 185
3 Rated current A 1000 1250 1600 2000
4 Rated frequency Hz 50
5 Rated short - time withstand current KA 20 25 31.5
6 Rated peak withstand current KA 50 63 80
7 Rated short-circuit breaking current KA 20 25 31.5
8 Rated short circuit making current(peak value) KA 50 63 80
9 Rated Short-circuit Continuing Time S 4
10 Rated operating sequence   C-0.3s-CO-180s-CO
11 Breaking time ms <80
12 Rated short circuit breaking current times time 20
13 Single capacitor unit breaking current A 630
14 Machinery life Time 10000
15 Rated operating voltag V -110/~110,-220/~220

 

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