Single Pole Mv Contactor Vacuum Contactor
Single Pole Mv Contactor Vacuum Contactor image
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Basic Info.
Product Description
Product description
MV vacuum contactor has the features of energy saving, fire protection, explosion-proof, small size, long life, low maintenance cost, reliable operation and non-polluting and so on ,which is widely used in metallurgy, mining, petroleum, chemical, railway, radio, communications, industrial high-frequency heating industry, energy, transportation and other power distribution system. With the technology of breaking the current , high reliability and compact structure, the contactor can be used in particularly harsh conditions. They are suitable for the control and protection (with fuses) lines, substations and distribution stations, motors, transformers, capacitors and so on.
Technical parameters
Name | Unit | Value | |||
Main circuit | rated working voltage(Ue) | KV | 40.5 | ||
rated working current (Ie) | A | 250 400 630 | |||
rated frequency (fr) | Hz | 50 | |||
rated closing capacity | A | 10le(AC-4) | |||
rated opening capacity | A | 8le (AC-4) | |||
rated short-time withstand current | A | 10le | |||
rated peak withstand current | A | 25le | |||
rated short circuit duration | s | 4 | |||
power frequency withstand voltage | (incoming line terminal) phase to earth | KV | 95 | ||
fracture to fracture | KV | 85 | |||
control circuit | rated voltage | V | AC or DC 110/220 | ||
rated power(Ps) Electricity keep | VA | ≤1000/100 (Pick-up/keep up) | |||
auxiliary circuit | form | 3NO+2NC | |||
rated value | V | AC 380V/5A DC380V/1A | |||
power frequency withstand voltage (control circuit, auxiliary circuit to earth) | KV | 2 | |||
rated operating frequency | long-term | times/h | 120 | ||
short-term | times/h | 300 | |||
mechanical life | 10,000 times | 3 | |||
electrical endurance | 10,000 times | 3 | |||
mechanical features | closing time | ms | ≤200 | ||
fixed closing time | ms | ≤160 |
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