ZN85-40.5 Vacuum Circuit Breaker
Basic Info
Model No.: VCB 40.5/2000-31.5
Product Description
Product Type: Indoor AC HV VCB
Product Information
ZN85-40.5(3AV3) indoor Vacuum circuit breaker is a special design which produced by our company and Xi'an High-voltage Electric Apparatus Institute. 40.5kV rated voltage, three-phase and AC 50/60HZ. It applies to mining firms, power house and substation acting as protection and control electric apparatus. It is also applicable in occasions with frequent operation.
Product Features
1. The arc-extinguish chamber is on the upper part and the Mechanism is on the lower part. This structure isconvenient for debug.
2. Complex insulating structire using air and organic material; Compactable dimension and small weight.
3. Vacuum arc-extinguish chamber of Cutler-Hammer Company(USA) and domestic ZMD are both applicable for the VCB.
4. Simple spring operation mechanism is free from maintenance within 10000 times of operations.
5. Lead-screw propeller, easy and stable operation and good self-locking capability.
Specification Sheet:
Name | Unit | Data | |||||||
Rated Voltage | kV | 36 | |||||||
Rated current | A | 1250 | 1600 | 2000 | 2500 | 3150 | |||
Rated power-frequency withstand voltage | kV | 95 | |||||||
Rated lighting impulse withstand voltage | kV | 185 | |||||||
Rated short-circuit breaking current | kA | 20 | 25 | 31.5 | |||||
Rated short-circuit making current | kA | 50 | 63 | 80 | |||||
Rated withstand current(peak) | kA | 50 | 63 | 80 | |||||
Rated duration of short circuit | S | 4 | |||||||
Operating cycles at rated short-circuit breaking current | Times | 30 | |||||||
Mechanical endurance | Times | 20000 | |||||||
Make time | ms | <75 | |||||||
Breaking time | ms | <65 | |||||||
Rated single capacitor bank breaking current | A | 630 | |||||||
Rated back-to-back capacitor bank breaking current | A | 400 | |||||||
Rated voltage of store energy motor | V | DC220, 110 AC220, 110 | |||||||
Power for opening and closing coil | W | 245 | |||||||
Overall dimension (width X depth X height) | mm | 588 X 429 X 563 | |||||||
Weight | kg | 100 |
Product Categories : Vacuum Circuit Breake
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