CM-S21-24 | Omron CM Series Safety Control Unit 24 VAC/VDC 2-Input 3-Output
CM-S21-24 | Omron CM Series Safety Control Unit 24 VAC/VDC 2-Input 3-Output
CM-S21-24 | Omron CM Series Safety Control Unit 24 VAC/VDC 2-Input 3-Output
    CM-S21-24 | Omron CM Series Safety Control Unit 24 VAC/VDC 2-Input 3-Output
CM-S21-24 | Omron CM Series Safety Control Unit 24 VAC/VDC 2-Input 3-Output

CM-S21-24 | Omron CM Series Safety Control Unit 24 VAC/VDC 2-Input 3-Output

Part #: CM-S21-24 Manufactured by: Omron
Regular price
$877.00
Sale price
$877.00
Regular price
3 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The CM-S21-24 is an Omron CM Series safety control unit featuring dual inputs and three relay outputs for managing machine...  Read more
We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa
warranty
IQElectro 2-Year Warranty
Warranty for Product #: CM-S21-24
IQElectro offers a free 2-year warranty on all products. You can trust that every purchase is a reliable investment in the future of your company. Warranty Terms
2-3 Day Free Shipping
Packed Ready to Ship
24/7 Expert Support
Return within 30-Days
IQElectro is Not an authorized distributor for Omron
Original Manufacturer's Warranty Not Covered, This Product is SURPLUS.

Product Description P/N: CM-S21-24

Description / Specifications

Description 

The Omron CM-S21-24 Control Unit is a compact safety relay module designed for monitoring and control functions in industrial safety circuits. Operating on 24 VAC or 24 VDC, it features dual voltage inputs and three relay outputs for dependable safety signal processing. Built to meet international safety standards, this unit ensures reliable operation in machine protection and automation systems.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Omron
Category Industrial Automation and Controls
Part Number CM-S21-24
Subcategory Safety Control Units
Alternate Part Number 445360120
Series CM Series
Type Safety Control Unit
Number of Inputs 2
Number of Outputs 3
Input Type Voltage
Output Type Relay
Contact Current Rating 4 A
Supply Voltage 24 VAC / 24 VDC
Operating Temperature Range -10°C to +55°C
Maximum Operating Temperature +55°C
Minimum Operating Temperature -10°C
Enclosure Rating NEMA 6
IP Rating IP20 / IP40
Connection Type Cable
Mounting Type Panel or DIN Rail (varies by enclosure)
Dimensions (W × L × D) 0.00 in × 3.31 in × 0.12 in
Standards Compliance EN 292, EN 1088, EN 50081, EN 50082, EN 60204-1, EN 60947-5-3, EN 61000-6-2, EN 954-1, UL, cUL, TÜV Listed
Weight Approx. 0.25 kg (0.55 lb)

 

 

Information About CM-S21-24

The CM-S21-24 is part of Omron’s CM Series of safety and control modules engineered for industrial automation and equipment safety. It includes two voltage inputs and three relay outputs, offering flexible system integration for monitoring interlocks, guards, and emergency stop devices. With an operating temperature range from -10°C to +55°C and an IP20/IP40 protection rating, it is suitable for installation within control cabinets and protected enclosures. Certified under UL, cUL, and TÜV standards, the CM-S21-24 ensures compliance with global machine safety regulations.

Key Features:

  • Safety Control Design: Dual-input control unit for industrial safety and monitoring circuits.
  • Wide Voltage Range: Operates on both 24 VAC and 24 VDC power supplies.
  • Multiple Relay Outputs: Provides three relay outputs for reliable safety signal switching.
  • High Current Capacity: Supports up to 4 A contact current for control circuits.
  • Environmental Protection: Rated IP20/IP40 with NEMA 6 enclosure compatibility.
  • Temperature Tolerance: Operates from -10°C to +55°C for demanding conditions.
  • Certified Safety Standards: Meets EN, UL, and TÜV industrial safety compliance requirements.
  • Compact, Panel-Ready Build: Designed for efficient installation and integration in control systems.

The CM-S21-24 delivers the reliability and precision required for machine safety, interlock monitoring, and industrial automation protection.

IQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Omron CM-S21-24 Control Unit is a compact safety relay module designed for monitoring and control functions in industrial safety circuits. Operating on 24 VAC or 24 VDC, it features dual voltage inputs and three relay outputs for dependable safety signal processing. Built to meet international safety standards, this unit ensures reliable operation in machine protection and automation systems.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Omron
Category Industrial Automation and Controls
Part Number CM-S21-24
Subcategory Safety Control Units
Alternate Part Number 445360120
Series CM Series
Type Safety Control Unit
Number of Inputs 2
Number of Outputs 3
Input Type Voltage
Output Type Relay
Contact Current Rating 4 A
Supply Voltage 24 VAC / 24 VDC
Operating Temperature Range -10°C to +55°C
Maximum Operating Temperature +55°C
Minimum Operating Temperature -10°C
Enclosure Rating NEMA 6
IP Rating IP20 / IP40
Connection Type Cable
Mounting Type Panel or DIN Rail (varies by enclosure)
Dimensions (W × L × D) 0.00 in × 3.31 in × 0.12 in
Standards Compliance EN 292, EN 1088, EN 50081, EN 50082, EN 60204-1, EN 60947-5-3, EN 61000-6-2, EN 954-1, UL, cUL, TÜV Listed
Weight Approx. 0.25 kg (0.55 lb)

 

 

Information About CM-S21-24

The CM-S21-24 is part of Omron’s CM Series of safety and control modules engineered for industrial automation and equipment safety. It includes two voltage inputs and three relay outputs, offering flexible system integration for monitoring interlocks, guards, and emergency stop devices. With an operating temperature range from -10°C to +55°C and an IP20/IP40 protection rating, it is suitable for installation within control cabinets and protected enclosures. Certified under UL, cUL, and TÜV standards, the CM-S21-24 ensures compliance with global machine safety regulations.

Key Features:

  • Safety Control Design: Dual-input control unit for industrial safety and monitoring circuits.
  • Wide Voltage Range: Operates on both 24 VAC and 24 VDC power supplies.
  • Multiple Relay Outputs: Provides three relay outputs for reliable safety signal switching.
  • High Current Capacity: Supports up to 4 A contact current for control circuits.
  • Environmental Protection: Rated IP20/IP40 with NEMA 6 enclosure compatibility.
  • Temperature Tolerance: Operates from -10°C to +55°C for demanding conditions.
  • Certified Safety Standards: Meets EN, UL, and TÜV industrial safety compliance requirements.
  • Compact, Panel-Ready Build: Designed for efficient installation and integration in control systems.

The CM-S21-24 delivers the reliability and precision required for machine safety, interlock monitoring, and industrial automation protection.

Check Out These Related Products