Rishabh 252-PDE DC Under Voltage Relay, Adjustable Differential
- Brand
- Rishabh
- Model number
- 252-PDE
- Category
- Protection & Monitoring Relays
DC under voltage relay with externally adjustable differential (1 - 15%) and optional factory-preset time delay up to 30 s, for battery supplies and chargers.
Price and availability on request
Key features
- Adjustable setpoint
- Adjustable differential, 1 - 15%
- Internal time delay (optional preset up to 30 s)
- LED trip indication
- 2 pole relay contacts
- Auto reset
- DIN-rail or wall mounting
- Applications: battery supplies and battery chargers (under / over voltage, battery level control).
Specifications
| D.C. voltage | 18 to 20 V DC or 20 to 32 V DC |
|---|---|
| Burden | < 3 VA |
| Overload | 1.2 x rated voltage cont., 1.5 x rating for 10 s (BS 6253) |
| Repeatability | > 0.5% of full span |
|---|---|
| Time delay | Optional preset up to 30 s (factory settable) |
| Differential | Externally adjustable, range 1 - 15% |
| Type | D.P. changeover |
|---|---|
| Rating | A.C. 240 V 5 A non-inductive; D.C. 24 V 5 A resistive |
| Operations | 0.2 million at the above loads |
| Reset | Automatic |
| Operating temperature | 0 °C to +60 °C |
|---|---|
| Storage temperature | -20 °C to +70 °C |
| Temperature co-efficient | 0.05% per °C |
| Interference immunity | Electrical stress surge withstand and non function to ANSI/IEEE C37 90a |
| Enclosure | DIN-rail with wall mounting facility, flame retardant polycarbonate / ABS |
| Enclosure integrity | IP 50 |
| Dimensions | 55 mm wide x 70 mm high x 112 mm deep |
| Weight | Approx. 0.4 kg |
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.