Schneider RE48ATM12MW | On-delay timing relay – 0.02 s..300 h – 24..240 V AC – 2 OC

Schneider RE48ATM12MW – On-Delay Timing Relay

1. Overview

The Schneider RE48ATM12MW is a high-performance on-delay timing relay from the RE48 series. It is designed to delay the activation of an output after a predetermined time, making it ideal for use in automation, process control, and motor control systems. This relay is known for its wide timing range, universal voltage compatibility, and high reliability.

2. Technical Specifications

• Product Series: RE48

• Function: On-delay (delays closing of contact after power is applied)

• Timing Range:

  • Adjustable from 0.02 seconds to 300 hours

  • Fine-tuning via rotary knobs on the front panel

• Supply Voltage Range:

  • 24 to 240 V AC (universal input voltage)

• Output Configuration:

  • 2 changeover contacts (2 CO / SPDT)

  • Maximum current: 8 A (resistive load)

• Output Type: Electromechanical relay

• Mounting:

  • Panel mounting (48 x 48 mm format)

  • DIN rail compatible

• Connection: Screw clamp terminals

• Accuracy:

  • Repeat accuracy: ±0.5%

• Power Consumption:

  • Approx. ≤ 3.5 VA

• Front Interface:

  • Dual potentiometers for timing adjustment

  • LED indicator for relay status

• Protection Ratings:

  • IP50 (front panel), IP20 (housing)

• Certifications:

  • CE, UL, CSA, RoHS compliant

3. Applications

The RE48ATM12MW is used in various industrial and commercial systems that require a delayed output after an input signal, including:

• Industrial Automation: Delaying the start of machinery or production lines to prevent sudden load surges.

• Motor Control: Gradual starting of motors to avoid inrush current issues.

• HVAC Systems: Controlling sequential startup of fans, blowers, and compressors.

• Pumping Systems: Used to delay pump operation after signal input for better system coordination.

• Lighting Control: Providing a timed delay for turning on or off large lighting installations.

• Packaging Machinery: Timing control in process sequences to maintain consistent operations.

4. Key Features

• Wide Timing Range: Versatile use with timing from milliseconds to 300 hours.

• On-Delay Function: Ensures controlled and safe activation of systems after a preset time.

• Universal Voltage: Operates across multiple voltages (24–240 V AC), simplifying stock and installation.

• Dual Output Contacts: Increases flexibility for multiple output control.

• Compact Design: Standard 48×48 mm housing suitable for most panels.

• User-Friendly Interface: Simple time setting using rotary knobs and clear LED status indication.

• Reliable Performance: High repeat accuracy and long mechanical life.