ABB 1SVR550217R4100 Electronic Time Relay

1. Product Overview

The ABB 1SVR550217R4100 is a high-precision electronic time relay used for delay control, cyclic control, and logic operations. It is widely used in industrial automation systems, motor control, pump and fan control, as well as distribution and lighting systems, providing reliable time-based control and sequential operation.

2. Main Technical Specifications (Typical)

• Model: 1SVR550217R4100

• Product Type: Electronic Time Relay

• Supply Voltage: AC/DC 24–240 V

• Output Contact Type: 1 Normally Open (1 NO)

• Maximum Load Current: 8 A

• Time Range: 0.05 s – 100 h

• Accuracy: ±0.5%

• Control Modes: ON-delay, OFF-delay, flash, cyclic, etc.

• Mounting: 35 mm DIN rail

• Ambient Temperature: -20 ℃ to +55 ℃

• Protection Class: IP20

• Dimensions: 17.5 × 90 × 64 mm (W × H × D)

3. Advantages and Features

• High-Precision Timing
  Digital electronic control provides accurate and stable delay timing.

• Multiple Control Modes
  Supports ON-delay, OFF-delay, cyclic, and other modes for flexible applications.

• Compact Design
  Space-saving and easy to install on DIN rails.

• High Reliability and Long Life
  Electronic operation reduces mechanical wear and extends service life.

• Wide Voltage Compatibility
  Works with AC/DC 24–240 V, suitable for various industrial environments.

4. Applications

• Industrial automation and machinery control

• Motor, pump, and fan time control

• Distribution panel delay and sequential control

• Lighting systems and building automation

• Process control and cyclic operation

• Laboratory and testing equipment

5. Precautions for Installation and Use

• Verify the relay supply voltage matches the system before installation

• Ensure DIN rail installation is secure and terminals are tightened

• Avoid high-temperature, humid, or corrosive environments

• Disconnect power before adjusting timing parameters

• Periodically check relay operation and wiring reliability

• Installation and maintenance should be performed by qualified personnel

The structure and details of the product：

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