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CARLO GAVAZZI  DWB01CM4810A  Phase Monitoring Relay, TRMS Load Guard, DWB01 Series, SPDT, 8 A, DIN Rail, Screw, 250 VAC

CARLO GAVAZZI DWB01CM4810A

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Product Overview

The DWB01 series 3-phase load guard Monitoring Relay with precise TRMS power factor for 3-phase balanced systems. It can be used for monitoring the actual load of asynchronous motors and other symmetrical loads where the power factor is almost proportional to the load. The relay measures the power factor (COS ϕ), that is the ratio between the active and the apparent power of a motor. Start/stop input allows to use a manual switch to start and stop the motor, without the need of an auxiliary device. The advantage of using the latch function is that the relay can be kept energized even after the end of the alarm condition. Inhibit function can be used to avoid relay operation when not desired (maintenance, transients). The LEDs indicate the state of the alarm and the output relay.
  • Measuring if the power factor is within set limits
  • Measures own power supply
  • Separately adjustable upper/lower level on absolute scale
  • Programmable latching or inhibit at set level
  • LED indication for relay, alarm and power supply ON
  • Power ON delay 1 to 30 sec knob adjustable

 

Product Information

Product Range:
DWB01 Series
Contact Configuration:
SPDT
Contact Current:
8A
Relay Mounting:
DIN Rail
Relay Terminals:
Screw
Switching Voltage Max:
250VAC
Supply Voltage Max:
480VAC
Phase Type:
3 Phase
Power Consumption:
13VA
Phase Monitoring Range Min:
-
Phase Monitoring Range Max:
480VAC
Approvals & Standards:
-
Supply Current Max:
10 A
SVHC:
No SVHC (20-Jun-2016)

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Applications

  • Industrial;
  • Power Management;
  • Motor Drive & Control

Legislation and Environmental

RoHS Compliant:
Yes
Authorized Distributor

Associated Products