Authorised ABB channel partner for Africa

Trouble loading the 360° view? Open it in a new tab
| Rated voltage (Ue) | Filter products by 250 V |
|---|---|
| Degree of protection (IP) | Filter products by IP20, Filter products by IP50 |
| Product Series | Filter products by CM-MSS |
ABBModular Protection RelaysThermistor Motor Protection RelaysTimers and Control Relays
Order code
Original price was: R2142.75.R1178.51Current price is: R1178.51.
Excluding VAT · per unit · volume pricing available on request
Listed in stock — availability is re-confirmed on every order
Buy 1SVR730722R1400 – CM-MSS.21S Therm. motor protec. relay ABB Thermistor Motor Protection Relays from ABB. Genuine ABB component for automation, motor control CM-MSS.21S Therm. motor protec. relay
CM-MSS.21S – 24-240V AC/DC, sensor PTC type A The CM-MSS.21S belongs to the CM-MSS thermistor motor protection relay range. It operates with a rated control supply voltage of 24 – 240 V AC / DC and has a 1 n/c + 1 n/o (SPDT) output with contacts rated at 250 V / 4 A. It features one sensor circuit to monitor PTC temperature sensors and works according to the closed-circuit principle. The sensor circuit of the CM-MSS.21S is short-circuit, as well as interrupted-wire monitored and the relay will be reset automatically after the failure has been removed. This protection relay is certified according to the ATEX directive 94/9/EC. A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.
1SVR730722R1400 – CM-MSS.21S Therm. motor protec. relay ABB Thermistor Motor Protection Relays is a genuine ABB electrical component designed for industrial automation, motor control, and power distribution applications.
ABB products are widely used across commercial and industrial installations where reliability, safety, and long operational life are required.
Thermistor Motor Protection Relays | Timers and Control Relays | Modular Protection Relays
Data supplied by the manufacturer. Confirm against the official datasheet before ordering.
| Order code | Filter products by 1SVR730722R1400 |
|---|---|
| Product Name | Filter products by CM-MSS.21S |
| Brand | Filter products by ABB, ABB Group, ABB Limited |
| Product Series | Filter products by CM-MSS |
| International GTIN | Filter products by 4013614496622 |
| Rated voltage (Ue) | Filter products by 250 V |
|---|---|
| Rated operational voltage | Filter products by 250 V |
| Operating Voltage | Filter products by 250 V |
| Rated Control Supply Voltage | Filter products by 24 … 240 |
| Rated Frequency | Filter products by 15 … 400 |
| Pollution Degree | Filter products by 3.0 |
| Power Loss | Filter products by 2 W |
|---|
| Degree of protection (IP) | Filter products by IP20, Filter products by IP50 |
|---|---|
| Ambient air temperature | Filter products by -40 … +85, Filter products by '-25 … +60 |
| Datasheet | Download datasheet |
|---|---|
| RoHS declaration | Download RoHS declaration |
| Declaration of conformity | Download declaration of conformity |
| Dimension drawings | Download dimension drawings |
| ABB product page | View on the ABB site |
| Deep Link | Open deep link |
| 360° view | Open 360° view |
1SVR730722R1400 is the order code for 1SVR730722R1400 – CM-MSS.21S Therm. motor protec. relay ABB Thermistor Motor Protection Relays. It belongs to our Modular Protection Relays range. RMS-ABB.Africa supplies it as an authorised ABB distributor, so it is genuine product with the manufacturer's warranty.
It is listed as in stock. Availability is re-confirmed on every order before any payment is taken, so what you order is what actually ships.
Use "Add to quote" and submit the quote basket. The RMS team prices every line, confirms stock, and emails you a formal quotation with written lead times — and you can accept it online to turn it into an order.
No. Checkout submits the order without payment; we confirm stock for every line first, then email you a secure payment link for the order.
RMS supplies each manufacturer range from its own storefront. These links open a different RMS site in a new tab.