Dold Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
- RS Stock No.:
- 181-2794
- Mfr. Part No.:
- RK9871.72 3/N AC400/230V 50/60Hz
- Brand:
- Dold
Available to back order for despatch 28/05/2024, delivery within 2 working days
Not available for guaranteed pre 9am/10am delivery
Added
Price Each
£113.47
(exc. VAT)
£136.16
(inc. VAT)
| Units | Per unit |
| 1 + | £113.47 |
- RS Stock No.:
- 181-2794
- Mfr. Part No.:
- RK9871.72 3/N AC400/230V 50/60Hz
- Brand:
- Dold
Technical Reference
Legislation and Compliance
- COO (Country of Origin):
- DE
Product Details
Detection of undervoltage in 3-phase systems
Without separately auxiliary voltage (internal supply from all 3 phases)
LED indication for operation voltage and contact position
De-energised on trip
RK 9871.71: 1 changeover contact RK 9871.72: 2 changeover contacts
With fixed time delay of 0.5s for fault indication
With fixed time delay of 1min for reset
With fixed response value at AC 195.5V
As option with test-button for function control
Width 17,5 mm
Advantages / Customer benefit
Higher safety in buildings
Application
Monitoring of undervoltage in 3 phase voltage systems and switch over to emergency supply
Without separately auxiliary voltage (internal supply from all 3 phases)
LED indication for operation voltage and contact position
De-energised on trip
RK 9871.71: 1 changeover contact RK 9871.72: 2 changeover contacts
With fixed time delay of 0.5s for fault indication
With fixed time delay of 1min for reset
With fixed response value at AC 195.5V
As option with test-button for function control
Width 17,5 mm
Advantages / Customer benefit
Higher safety in buildings
Application
Monitoring of undervoltage in 3 phase voltage systems and switch over to emergency supply
Specifications
Attribute | Value |
|---|---|
| Monitoring Application | Voltage |
| Electrical Phase | 3 |
| Contact Configuration | DPDT |
| Voltage Sensitivity | Undervoltage |
| Mounting Type | DIN Rail |
| Frequency Sensing Range | 45 → 65Hz |
| Series | RK9871 |
| Minimum Operating Temperature | -25°C |
| Height | 90mm |
| Maximum Frequency Sensed | 65Hz |
| Terminal Type | Screw |
| Maximum Operating Temperature | +55°C |
| Operating Temperature Range | +55°C |
| Minimum Frequency Sensed | 45Hz |
| Width | 17.5mm |
| Length | 66mm |
| Dimensions | 66 x 17.5 x 90mm |