Аксессуары к коммутаторам MCCB: отводной клапан с кабелем или термостатом
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Функция
Shunt releases operate according to electrical signals, enabling remote control and automatic control of circuit breakers. When the supply voltage When the voltageis equal to any voltage between 70% and 110% of the rated control power supply voltage, the shunt release should enable the circulit bresker to operate relisbly.
Model description
Code for mccb Frame
| Frame | 125/160 | 250 | 400 |
| code | SHT-125 | SHT-250 | SHT-400 |
Electrical characteristics
| Ue(V) | AC | DC | |||
| 230V | 400V | 110 | 220 | 24 | |
| ln(A) | 0.3 | 0.3 | 0.15 | 0.15 | 0.15 |
Action characteristics
Can be powered for a long time. Response time:pulse type ≥220ms, ≤60ms
Wiring diagram
When the rated control power supply volloge DC24V shunt releose is used,the maximum length of the copper wire(each of the two wires)must meet the following table:
| Conductor cross-sectional area | 1.5mm | 2.5mm |
| Rated control supply voltageUs(DC24V | ||
| 100%U | 150m | 250m |
| 85%U , | 100m | 160m |