Product Description

ABB CT-MFD.21 Multifunction Time Relay

The ABB CT-MFD.21 is a versatile and reliable multifunction electronic time relay from the CT-D range, designed for a wide array of industrial applications. Housed in a compact 22.5 mm wide enclosure, it offers seven distinct timing functions, including ON-delay, OFF-delay, and flasher modes. This model features seven selectable time ranges, from 0.05 seconds up to 100 hours, providing exceptional flexibility for process and machine control. With a wide operational voltage range and two changeover contacts (SPDT), the CT-MFD.21 is a high-performance solution for precise and repeatable timing tasks in automation systems.

Technical Specifications:

  • Model: CT-MFD.21

  • Order Code: 1SVR500020R1100

  • Functions: 7 timing functions (ON-delay, OFF-delay with auxiliary voltage, Impulse-ON, Impulse-OFF with auxiliary voltage, Flasher starting with ON/OFF, Pulse former)

  • Time Range: 7 ranges from 0.05 s to 100 h

  • Rated Control Supply Voltage (Us): 24-48 V DC / 24-240 V AC

  • Output: 2 c/o (SPDT) contacts

  • Dimensions (W x H x D): 22.5 mm x 78 mm x 78.5 mm

  • Certifications: CE, UL 508, CCC, EAC, RMRS

ABB CT-MFD.21 Multifunction Time Relay Description

ABB CT-MFD.21 Multifunction Time Relay

Discover the ABB CT-MFD.21 (1SVR500020R1100), a compact multifunction time relay offering 7 timing functions, a wide 0.05s-100h time range, and 2 c/o contacts. Ideal for precise industrial automation and control applications.