This manual introduces ABB MS series manual motor protectors, including MS116, MS132, MS450/MS451, MS495/MS496, introduces the features and characteristics of these products, as well as the usage, installation and maintenance methods
The ABB MS Series Manual Motor Protectors are electromechanical devices designed for motor and circuit protection. They provide local motor disconnect means, manual ON/OFF control, and protection against short circuit, overload, and phase loss conditions. These devices offer cost savings and panel space efficiency by reacting to short circuits within milliseconds.
| Max Motor HP (MS116/MS132) | 25 hp |
|---|---|
| Max Motor HP (MS45x) | 50 hp |
| Max Motor HP (MS49x) | 100 hp |
| Thermal Setting Range (MS116/MS132) | 0.16 to 32 Amperes |
| Thermal Setting Range (MS45x) | 28 to 50 Amperes |
| Thermal Setting Range (MS49x) | 28 to 100 Amperes |
| Short Circuit Rating (MS116) | 30 kA |
| Short Circuit Rating (MS132/MS45x/MS49x) | 65 kA |
| Overload Class (MS116) | 10A |
| Overload Class (MS132) | 10 |
| Overload Class (MS45x/MS49x) | 10 and 20 |
The MS116 and MS132 models are suitable for use with single and three phase motors up to 25 hp.
The MS49x model is suitable for use with single and three phase motors up to 100 hp.
Yes, all MS Series protectors offer phase loss sensitivity per IEC/EN 60947-4-1.
Yes, MS132 is suitable for self-protected combination motor controllers Types E and F, while MS4xx is suitable for Type E.