ABB Current Monitoring Relay, 1 Phase, DPDT, DIN Rail

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£195.94

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£235.13

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RS Stock No.:
775-7983
Mfr. Part No.:
1SVR730840R0500 CM-SRS.22S
Brand:
ABB
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Brand

ABB

Monitoring Application

Current

Electrical Phase

1

Contact Configuration

DPDT

Mounting Type

DIN Rail

Minimum Current Sensed

0.3 A, 1 A, 3A

Maximum Current Sensed

1.5 A, 5 A, 15A

Current Sensitivity

Overcurrent, Undercurrent

Time Delay

0 s, 0.1 → 30s

Frequency Sensing Range

50 → 60Hz

Series

CM-SRS

Standards Met

UL

Terminal Type

Screw

Length

103.7mm

Height

85.6mm

Operating Temperature Range

-25 → +60°C

Current Range

0.3 → 1.5 A, 1 → 5 A, 3 → 15A

Dimensions

103.7 x 22.5 x 85.6mm

Width

22.5mm

Maximum Operating Temperature

+60°C

Minimum Operating Temperature

-20°C

COO (Country of Origin):
DE

ABB CM-SRS Series Monitoring Relay, DPDT Contact Configuration, Current Sensitivity Overcurrent - 1SVR730840R0500 CM-SRS.22S


This monitoring relay is designed for current monitoring applications within electrical systems. It features a compact design with dimensions of 103.7 x 22.5 x 85.6mm and is suitable for mounting on a DIN rail. Operating in a temperature range of -25 to +60°C, it effectively senses and monitors current while adhering to UL 508 standards.

Features & Benefits


• Operates with adjustable overcurrent and undercurrent sensitivity
• Provides three distinct measuring ranges for optimal performance
• Configurable tripping delay from instantaneous to 30 seconds
• Equipped with robust screw terminal connections
• Offers a degree of protection rated at IP50 for the housing
• Supports a wide control supply voltage of 24 to 240 V AC/DC

Applications


• Used for monitoring power systems and equipment
• Ideal for electrical phase monitoring in industrial installations
• Applied in automation systems for reliable performance
• Utilised in safety-critical requiring precise current measurement
• Suitable for integration in control panels and electrical cabinets

What are the key electrical specifications that enhance its functionality?


The relay features a rated control supply voltage between 24 and 240 V AC/DC, with a maximum rated operational current of 4 A at 250 V for AC-12 and 3 A for AC-15. It also supports a minimum switching capacity of 10 mA at 24 V.

How does the adjustable hysteresis enhance usability?


The hysteresis can be set between 3% to 30% of the threshold value, which allows for fine-tuning of the relay's responsiveness to current fluctuations, thereby reducing false triggers and enhancing reliability in various applications.

What are the key safety certifications that this product complies with?


It meets several standards, including UL 508, IEC/EN certifications, and is compliant with environmental regulations such as RoHS. This ensures safe and effective use across multiple regions and applications.

Can it operate effectively in extreme temperatures?


Yes, this device is designed to operate within a broad temperature range of -25 to +60°C, ensuring reliable performance in both low and high-temperature environments.

How straightforward is the installation process for this product?


The relay is intended for installation on DIN rails, and it features screw terminals, simplifying wiring and connection processes while ensuring secure and robust electrical connections.

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