Phase asymmetry relay RP31
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Phase asymmetry relay RP31
Product catalog summary
Overview: The document describes the C-mac® Phase Asymmetry Relay RP31, designed for monitoring 3-phase electrical systems. It ensures correct phase sequence and monitors phase asymmetry, which is adjustable between 5-25%. The relay is suitable for motor monitoring, ensuring correct rotation and deactivation in case of phase loss.
Specifications:
- Adjustable asymmetry level: 5-25%
- Relay output: 1-pole, 8 A / 250 V AC
- Supply voltages: Up to 3 x 415 VAC
- Compliance: EMC and safety regulations
Technical Data:
- Supply voltage options: 3 x 220 V, 3 x 380 V, 3 x 400 V, 3 x 415 V (all +/- 25%)
- Supply frequency: 50 or 60 Hz
- Power consumption: 2.5 VA
- Operating temperature: -20°C to +60°C
- Humidity: 0 - 90% RH, non-condensing
- Adjustments: Potentiometer, scale 5 to 25%
- Hysteresis: 1 - 3.5%
- Reaction delay: Typically 1 second
Indications:
- Green LED: Supply voltage connected
- Red LED: Relay active
Materials and Weight:
- Housing: NORYL-SE-1, grey, self-extinguishing
- Housing bottom: NORYL SE-1, GFN-2, black, self-extinguishing
- Terminals: Nickel-plated brass
- Weight: 110 g
Ordering Information: The RP31 model is available for different supply voltages, with specific type numbers for 50 Hz and 60 Hz supplies. The unit can be configured with different pin connections.
Compliance and Approvals: The relay complies with EMC and safety regulations, including EN 50 081-1, EN 50 082-2, and EN 60 730, and is CE approved.
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.