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Over- and Undercurrent Relay
SP 9277CT
- Article number: 0059427
- Type: SP9277.39CT AC220-240V 10-100A
Over- and undercurrent detection in single phase or 3-phase voltage systems For industrial... more
Product description
- Over- and undercurrent detection in single phase or 3-phase voltage systems
- For industrial and railway applications
Technical specifications
| Width: | 70 mm |
| 1- / 3-phase: | 3 |
| Measuring range: | AC 0,5 - 100 A |
| Auxiliary voltage: | AC, AC/DC |
| Operate delay: | Yes |
| Output contacts: | 2 x 2 C/O contacts |
| Enclosure design: | Switch cabinet |
| Type: | SP 9277CT |
Downloads
Features
- According to IEC/EN 60 255-1
- IP 9277, SP 9277, SP 9277CT: 3-phase
IL 9277, SL 9277, SL 9277CT: singele phase - Detects over- and undercurrent
- Measuring ranges from 0.1 ... 15 A
- With built in current transformer for 0.5 ... 100 A
- IL 9277, SL 9277 with 4 programmable ranges
- Settable 0.1 ... 1 IN
- Separate setting for over- and undercurrent
- Fixed hysteresis approx. 4 %
- Settable time delay
- IP 9277, SP 9277 with separate settable time delay for over- and undercurrent
- De-energized on trip
- LED indicators for over-, under- and normal current
- Auxiliary supply and measuring input galvanic separated
- IL 9277, SL 9277 with one output relay for over- and undercurrent
- IP 9277, SP 9277 with separate output relays for over- and undercurrent
- Optionally energized on trip
- Devices available in 2 enclosure versions:
- I-model, e.g. IL _ _ _ _, depth 61 mm with terminals at the bottom for installations systems and industrial distribution systems according to DIN 43 880
- S-model, e.g. SL _ _ _ _, depth 100 mm with terminals at the top for cabinets with mounting plate and cable duct - DIN rail or screw mounting
- Width IL 9277, SL 9277, SL 9277CT: 35 mm
IP 9277, SP 9277, SP 9277CT: 70 mm