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Carlo Gavazzi
Carlo Gavazzi DPA51 Series Monitoring Relay
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Carlo Gavazzi DPA51: 3-phase loss/sequence relay; 208–480 V L-L; 50–60 Hz. RFQ.
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Key parameters
Mounting
17.5 mm DIN-rail housing
Type
3-phase phase-loss / phase-sequence monitoring relay (Carlo Gavazzi DPA51)
Functions
Phase loss; phase sequence; regenerated-voltage detection
Mains
3-wire (3P) systems
Voltage Range
DPA51CM44: 208–480 V L-L AC ±15% (177–552 V)
Frequency
50–60 Hz ±10%
Fits three-phase loss and sequence monitoring where you need a Carlo Gavazzi DPA51. 3-wire (3P) monitoring relay for phase loss, phase sequence and regenerated-voltage detection, example DPA51CM44 spanning 208–480 V L-L AC ±15% (177–552 V), frequency 50–60 Hz ±10%.
Key advantages
- Functions — Phase loss / sequence / regenerated voltage
- Mains — 3-wire (3P)
- Voltage example — 208–480 V L-L ±15%
- Frequency — 50–60 Hz ±10%
- Form — Compact monitoring relay
Typical applications
- Motor feeder phase watch.
- Phase-sequence interlocks.
- 3P supply alarms.
Selection guide
- Voltage code
- Contact logic
- DIN accessories
Common mistakes
- 4-wire expectation.
- Wrong voltage code.
- Ignoring regenerated-voltage cases.
When to RFQ / what to tell us
- Variant/options.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 48802 |
| Brand | Carlo Gavazzi |
| Model | DPA51 |
| Product type | Monitoring Relay |
| Type | 3-phase phase-loss / phase-sequence monitoring relay (Carlo Gavazzi DPA51) |
| Functions | Phase loss; phase sequence; regenerated-voltage detection |
| Mains | 3-wire (3P) systems |
| Voltage range | DPA51CM44: 208–480 V L-L AC ±15% (177–552 V) |
| Frequency | 50–60 Hz ±10% |
Documents
FAQ
Q: Mains? A: 3-wire (3P).
Q: Example voltage? A: 208–480 V L-L ±15% (CM44).
Q: What should I send for a quote? A: Variant/options, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Mounting | 17.5 mm DIN-rail housing |
| Type | 3-phase phase-loss / phase-sequence monitoring relay (Carlo Gavazzi DPA51) |
| Functions | Phase loss; phase sequence; regenerated-voltage detection |
| Mains | 3-wire (3P) systems |
| Voltage Range | DPA51CM44: 208–480 V L-L AC ±15% (177–552 V) |
| Frequency | 50–60 Hz ±10% |
| Outputs | 1 × SPDT changeover relay (5 A @ 250 VAC AC1) |
| Supply | Supplied by measured phases (L2, L3) |
| Dimensions | 17.5 × 81 × 67.2 mm |
| Weight | Approx. 75 g |
| Document | DPA51/DPA71 Datasheet ENG + DPAxx/PPA0x Installation Manual |
| Model Code | DPA51CM44 / DPA51CM44HVAC |