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ABB Monitoring Relay, 1 Phase, DPDT, DIN Rail, 0.1mA to 100mA, 240 V dc, 240V ac

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£195.94

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£235.13

(inc. VAT)

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1 - 4£195.94
5 - 9£186.15
10 - 24£176.34
25 - 49£166.55
50 +£156.75

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RS Stock No.:
775-7974
Mfr. Part No.:
1SVR730840R0400 CM-SRS.21S
Brand:
ABB
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Brand

ABB

Product Type

Monitoring Relay

Electrical Phase

1

Contact Configuration

DPDT

Mount Type

DIN Rail

Minimum Current Sensed

0.1mA

Switching Voltage

240V

Maximum Current Sensed

100mA

Power Consumption

0.75W

Current Sensitivity

Undercurrent, Overcurrent

Terminal Type

Screw

IP Rating

IP20

Supply AC Voltage

240V ac

Minimum Operating Temperature

-20°C

Supply DC Voltage

240 V dc

Maximum Operating Temperature

60°C

Length

103.7mm

Height

85.6mm

Series

CM-SRS

Width

22.5mm

Standards/Approvals

RoHS

COO (Country of Origin):
DE

ABB CM-SRS Series Monitoring Relay, 0.1 to 1A Current Range, DPDT Contact Configuration - 1SVR730840R0400 CM-SRS.21S


This monitoring relay is designed for current monitoring applications within industrial settings. With dimensions of 103.7 x 22.5 x 85.6mm, it excels in both undercurrent and overcurrent protection. This device meets IEC standards, ensuring compliance and reliability in various electrical systems.

Features & Benefits


• Detects currents from 0.1A to 1A for versatile applications

• DPDT contact configuration allows flexible circuit integration

• Quick response time with adjustable time delay of up to 30s

• Suitable for operating temperature range of -20 to +60°C

• Compact design optimised for DIN rail mounting

• Senses frequencies between 50 and 60Hz for precision monitoring

Applications


• Used for back-up power systems to monitor load conditions

• Utilised in motors to prevent overcurrent and undercurrent issues

• Ideal for automation systems requiring real-time current feedback

• Supports safety protocols by reporting abnormal current levels

• Enables efficient control in industrial electrical networks

What is the significance of the current sensitivity range in this relay?


The current sensitivity range allows the relay to detect and respond to low-current variations, ensuring that even minor fluctuations are monitored, which helps prevent potential equipment damage.

How does the time delay function contribute to operational efficiency?


The adjustable time delay function allows fine-tuning of response times to better suit specific applications, helping to avoid unnecessary trips while maintaining system protection.

What type of terminal connection does this relay utilise?


It features screw-type terminals, facilitating secure connections for reliable performance in demanding environments.

What is the maximum operating temperature for this relay?


The relay can operate effectively up to a maximum temperature of +60°C, ensuring functionality in warmer settings without compromising safety.

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