ABB – 1SVR730740R9300 – CM‑TCS.23S Temperature Monitoring Relay, 0–200 °C

The ABB 1SVR730740R9300 (CM‑TCS.23S) is a compact temperature monitoring relay that provides both over– and under–temperature protection. Designed for DIN-rail mounting, it monitors a single sensor (Pt100, Pt1000, NTC, or KTY thermistors) and features configurable window or threshold alarms in industrial systems.

Key Features:

• Model & Part Number: CM‑TCS.23S / 1SVR730740R9300  

• Temperature Range: 0…+200 °C for a variety of sensors (Pt100, NTC, KTY, etc.) ()

• Supply Voltage: 24 VAC/DC, 50/60 Hz  

• Output Contacts: Configurable 2 C/O (DPDT) relays; each rated 4 A at 250 VAC  

• Control Type: Window or bi-threshold alarm with sensor short-circuit detection  

• Operating Temp Range: –40…+60 °C; housing IP50, terminals IP20  

• Dimensions: 22.5 × 78 × 100 mm, DIN-rail mountable  

• Certifications: IEC/EN 60255‑27, UL 508, CSA C22.2; rated impulse withstand 4 kV