ABB Time Relay CT-D Range Time relays in Modular Design

The CT-D range ABB Time Relay is ideal for building applications and installation panels, due to it’s compact modular housing. For maximum flexibility in operation, nine single-function as well as two multifunction devices with seven timing functions are available. The devices offer four or seven-time ranges from 0.05 seconds up to 100 hours. Their wide supply voltage range allows their use in applications worldwide.

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Main benefits

• Space saving
• Easy to install
• Global availability

Main features

• Single and multifunction versions available
• MDRC housing for distribution panels
• Just 17.5 mm wide
• Tool-free mounting and de-mounting on the DIN rail


Rated control supply voltage Us 24-240 V AC / 24-48 V DC 12-240 V AC/DC
Rated control supply voltage US tolerance -15…+10 %
Rated frequency                                                                 AC/DC versions

             AC versions

Frequency range                                             Typical current / power consumption                            Power failure buffering time

                          DC or 50/60 Hz                   

                         50/60 Hz                         

                          DC or 47-63 Hz                   

                           see data sheet                       

min. 20 ms min. 30 ms