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CARLO GAVAZZI DPB71CM48 3-Phase Voltage Monitoring Relay

The CARLO GAVAZZI DPB71CM48 is a versatile monitoring relay ideal for protecting 3-phase power systems. It provides comprehensive monitoring of voltage levels, phase sequence, and phase presence, ensuring reliable operation and preventing equipment damage. With adjustable voltage limits and a delay function, this relay can be customized to suit specific application requirements. Its DIN-rail mounting capability and clear LED indication simplify installation and troubleshooting. Suitable for a wide range of industrial applications, including motor protection, generator control, and power distribution systems.

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Part No:DPB71CM48
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Inv Date:05-30-2026
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Part No:DPB71CM48
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Inv Date:05-29-2026
Price: Unit price: $766.08
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Part No:DPB71CM48
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Inv Date:05-29-2026
Price: Unit price: $374.18
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Part No:DPB71CM48
Stock:1
Inv Date:05-29-2026
Price: Unit price: $374.18
Buy/RFQ:

CARLO GAVAZZI DPB71CM48 3-Phase Voltage Monitoring Relay Specifications:

  • Monitoring: TRMS 3-phase over and under voltage, phase sequence and phase loss
  • Voltage Detection: Detects phase-phase and phase-neutral voltages within set limits
  • Adjustability: Upper and lower voltage limits are separately adjustable
  • Power Supply Monitoring: Monitors its own power supply
  • Measuring Range Selection: Selected via DIP switches
  • Voltage Adjustment: Adjustable voltage on a relative scale
  • Delay Function: Adjustable delay function (0.1 to 30 s)
  • Output: 5 A SPDT relay N.E.
  • Mounting: DIN-rail mounting (DIN/EN 50 022)
  • Housing: 35.5 mm DIN-rail housing
  • LED Indication: LEDs for relay, alarm, and power supply status
  • Supply Voltage: 208-480 VAC (multivoltage relays)
  • Input Terminals: L1, L2, L3, N
  • Measuring Ranges: ['208 to 240 ∆ VAC', '177 to 275 ∆ VAC', '380 to 480 ∆ VAC', '323 to 550 ∆ VAC']
  • Voltage Ranges: ['Upper level: +2 to +22% of nominal voltage', 'Lower level: -22 to -2% of nominal voltage']
  • Hysteresis: ['2 to 5% (set points)', '1% (set points)', '5 to 22% (set points)', '2% (set points)']
  • Rated Insulation Voltage: 250 VAC
  • Contact Ratings: {'Resistive Loads': '5 A @ 250 VAC', 'AC 1µ': '5 A @ 250 VAC', 'DC 12': '5 A @ 24 VDC', 'Small Inductive Loads': '2.5 A @ 250 VAC', 'AC 15': '2.5 A @ 250 VAC', 'DC 13': '2.5 A @ 24 VDC'}
  • Mechanical Life: ≥30 x 10^6 operations
  • Electrical Life: ≥10^5 operations (at 5 A, 250 V, cosϕ= 1)
  • Operating Frequency: ≤7200 operations/h
  • Dielectric Strength: 2 kVAC (rms)
  • Impulse Withstand Voltage: 4 kV (1.2/50 µs)
  • Power Supply Category: Overvoltage cat. III (IEC 60664, IEC 60038)
  • Rated Operational Voltage: 208 to 240 VAC ± 15% (45 to 65 Hz)
  • DPB71CM48 Power Supply: 380 to 480 VAC ± 15% (45 to 65 Hz)
  • DPB71CM48 Star Voltage: 220 to 277 VAC ± 15% (45 to 65 Hz)
  • DPB71CM23 Power Consumption: 13 VA @ 230∆VAC, 50 Hz
  • DPB71CM48 Power Consumption: 13 VA @ 400∆VAC, 50 Hz
  • Power ON Delay: 1 s ± 0.5 s or 6 s ± 0.5 s
  • Reaction Time: < 200 ms (input signal variation ±20%)
  • Alarm ON Delay: < 200 ms
  • Alarm OFF Delay: < 200 ms
  • Accuracy: ['± 1000 ppm/°C (Temperature drift)', '± 10% on set value', '± 50 ms', '± 0.5% on full-scale (Repeatability)']
  • Degree of Protection: IP 20
  • Pollution Degree: 3
  • Operating Temperature: -20 to 60°C
  • Storage Temperature: -30 to 80°C
  • Housing Material: PA66 or Noryl
  • Weight: Approx. 100g
  • Terminal Torque: Max. 0.5 Nm
  • Product Standard: EN 60947-5-1
  • Approvals: ['UL', 'CSA', 'CCC (GB14048.5)']
  • CE Marking: ['L.V. Directive 2006/95/EC', 'EMC Directive 2004/108/EC']
  • EMC Immunity: According to EN 61000-6-2
  • EMC Emissions: According to EN 61000-6-3

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Frequently Asked Questions

Where can I buy CARLO GAVAZZI DPB71CM48?

You can click on the BUY or RFQ button to purchase DPB71CM48 from an authorized CARLO GAVAZZI distributor.

How do I troubleshoot issues or seek technical support for part DPB71CM48?

You can download the DPB71CM48 datasheet or visit the CARLO GAVAZZI website for support.

Who is the manufacturer of DPB71CM48?

CARLO GAVAZZI

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