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ABB motor protection switches MS450 + MS495
IEC/EN 60947-2, IEC/EN 60947-4-1, IEC/EN 60947-1
Description
Special Features
- Motor protection up to 22 or 55 kW (400 V)
- Rated currents 11 to 100A
- Optimal protection for motors up to 100A
- Module width of 55 or 70 mm
- Temperature compensated
- Rotary handle operation with manual release
- Clear switching position indicator I/TRIP/0
- Remote disconnection via undervoltage release or operating current release (optional)
Series Specifications
Designation
MS450 / MS495
Main contacts
3 normally open contacts
Electrical lifespan
25,000 cycles
Mechanical lifespan
50,000 cycles
Ambient temperature open
-20 ... +70 °C
Ambient temperature open - compensated
-20 ... +60 °C
ambient temperature encapsulated
-20 ... +35 °C
Shock resistance
25 g / 11 ms (MS450)
Installation position
Arbitrary
Connection cross-section MS450
0.75 ... 35 mm²
Connection cross-section MS495
10 ... 70 mm²
Tightening torque of the connection screws (main contact) MS450
3 - 4.5 Nm
Tightening torque of the connecting screws (main contact) MS495
4 - 6 Nm
Rated impulse voltage withstand Uimp
6000 V
Degree of contamination
3
Rated operating voltage Ue
690 V AC / 450 V DC
Rated operational current Ie MS450
28-50A depending on type
Rated operating current Ie MS495
45-100A depending on the type
Frequency
50/60 Hz
Motor switching capacity
600 V AC
Auswahlfilter
Versions
| Artikel-Nr | Bild | Type | rated operating current (A) |
Price incl. vat |
|---|---|---|---|---|
| 4037.5070 |  | MS450-40 | 28...40 | 131,78 € |
| 4037.5071 | | MS450-45 | 36...45 | 148,23 € |
| 4037.5072 | | MS450-50 | 40...50 | 148,23 € |
| 4037.5073 | | MS450-63 | 45...63 | 263,41 € |
| 4037.5074 | | MS450-75 | 57...75 | 283,08 € |
| 4037.5075 | | MS450-90 | 70...90 | 350,55 € |
| 4037.5076 | | MS450-100 | 80...100 | 377,77 € |