Technical Parameters
Parameter Specification
Product type Electronic multifunction time relay
Model / Type CT‑MBS.22S
ABB Ordering Code 1SVR730010R3200
Supply voltage (control voltage) 24–240 V AC / 24–48 V DC
Timing range 0.05 s to 300 h (10 adjustable time ranges)
Timing functions Multiple timing modes for on‑delay, off‑delay, star‑delta change‑over, flasher, pulse former, ON/OFF, etc.
Output contacts 2 change‑over (SPDT)
Contact rating 250 V AC, ~4 A (typical)
Contact form 2 C/O (SPDT) relay outputs
Trigger input Volt‑free (floating) trigger input
Display / Indication LED status indication
Remote adjustment Remote potentiometer connection supported
Terminals Screw terminals with double‑chamber cage connection
Mounting DIN rail (35 mm TH rail)
Enclosure protection IP20 / IP50 variants available
Housing width 22.5 mm
Height ~85.6 mm
Depth ~103.7 mm
Operating temperature –25 °C to +60 °C
Storage temperature –40 °C to +85 °C
Standards / Compliance EN/IEC 61812‑1, CE, UL, RoHS compliant
Typical applications Timing control in automation, machine control, motor sequencing, delay functions
The ABB CT‑MBS.22S (1SVR730010R3200) is a multifunction electronic time relay from ABB’s CT‑S timer series. It provides a wide variety of configurable timing functions and flexible time ranges to control and delay electrical circuit operations in automation and control systems. This relay supports both AC and DC supply voltages and features dual change‑over (SPDT) output contacts for versatile switching. It is designed for DIN‑rail mounting in control panels and industrial automation applications.