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Gas Relay are kinds of protective devices on the connecting pipe between transformer and oil conservator to provide a protection when the stop plate of gas relay is rushed by gas or heavy oilflow caused by internal failure of transformer.
Technical data
1、Working temperature:-30℃~95℃
2、Switch Capacity:AC220V0.3A COS≤0.6DC 220V0.3A S≤5×10-³S
3、Operation Character:
| Type | QJ-80 | QJ-50 | QJ-25 |
| Range of flow(m/s) | 0.7-1.5 | 0.6-1.2 | 0.8-1.2 |
| Gas accumulaton(ml) | 250-300 | <250 | |
4、Sealing character:filling transformer oil into the relay,Pressurizing normal temperature 200Kpa, Continued 20min and without any leakage.
5、Insulating property:
| Test tem | Voltage between Contacls | woleage between terminal and earth | Woltage berween signal and tripping terminal |
| Bring to bear on industry volatye | 2000v/1min | 2000/1min | 2000v/1min |
EN
