Enclosed Switchgear
Enclosed switchgear KYN28 series armored removable AC metal-enclosed switchgear is suitable for three-phase AC 50Hz power system. It is used to receive and distribute electric energy and control, protect and monitor the circuit. Technical specification Factory test before delivery to you (1)...
Description
Enclosed switchgear
KYN28 series armored removable AC metal-enclosed switchgear is suitable for three-phase AC 50Hz power system. It is used to receive and distribute electric energy and control, protect and monitor the circuit.
Technical specification
Item | Unit | Data | |
Rated voltage | KV | 24 | |
Insulation level | Rated power-frequency withstand voltage(1min) | KV | 65/79(phase to earth/across open contacts) |
Rated lightening impulse withstand voltage | KV | 125/145(phase to earth/across open contacts) | |
Rated frequency | HZ | 50/60 | |
Rated main bus bar current | A | 630,1250,1600,2000,3150 | |
Rated branching bus bar current | A | 630,1250,1600,2000,3150 | |
4s Short-time withstand current(rms.) | KA | 16,20,25,31.5 | |
Peak withstand current(peak.) | KA | 40,50,63,80 | |
Protection degree | Enclosure:IP4X, Between compartment:IP2X | ||
Factory test before delivery to you
(1) Power frequency withstand voltage test of the main circuit
(2) Power frequency withstand voltage test of loop and control loop
(3) Partial discharge measurement.
(4) Measure the resistance of the main circuit
(5) Test of mechanical performance, mechanical operation and mechanical anti-misoperation device
(6) Verification of meter and relay components and verification of wiring correctness
(7) Components with the same rating and structure that can be interchanged in use should be tested for interchangeability
(8) Other tests required to provide test reports in this technical specification
Factory showing room
Certificates
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