RESYS Type B 420 is associated with a remote trip breaking device (automatic power cut-off), and provides the following functions:
- protection against indirect contacts,
- limitation of leakage currents.
The relay also monitors electrical installations when used directly as signalling relay. It is particularly suited to installations where continuous signal components
disturb conventional differential devices for AC or A type relays.
RESYS type B earth leakage relays are associated with a remote trip breaking device (automatic power cut-off), thus providing the following functions:
- protection against indirect contacts,
- limitation of leakage currents.
They also preventively monitor electrical installations via their pre-alarm system or when used as signal relays. They are particularly suited to installations where continuous components disturb conventional differential devices limited to type AC or A.
RESYS Type M40 is associated with a remote trip breaking device (automatic power cut-off), and provides the following functions:
- protection against indirect contacts,
- limitation of leakage currents.
The relay also monitors electrical installations when used directly as signalling relay.
Overview Earth Leakage Relays:
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| 1. | RESYS B420 | 375 | KB | |
| 2. | RESYS Type B | 420 | KB | |
| 3. | RESYS M40 | 389 | KB | |
| 4. | RESYS P40 | 396 | KB | |
| 5. | RESYS M20 | 325 | KB | |
| 6. | Core Balance Transformers | 850 | KB |


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