3TB42
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Siemens - 3TB42 motor starters - contactors
The Siemens 3TB42 is a
3-phase IEC rated contactor
used for the control of electric
motors. It is rated 5 HP at
230V and 10 HP at 460V.
Conforms to IEC 60946
3TB42 3-Pole with AC Coil
Selection Chart:
| Frame Size |
Amp ratings |
Three phase HP ratings |
Auxiliary contacts |
Catalog No. | ||||
|---|---|---|---|---|---|---|---|---|
| UL/CSA | AC3 | AC1 | 230V | 460V | NO | NC | ||
| S1 | - | 16 | - | 5 | 10 | 1 | 0 | 3TB4210-0A |
| 0 | 1 | 3TB4211-0A | ||||||
| 1 | 1 | 3TB4212-0A | ||||||
| 2 | 2 | 3TB4217-0A | ||||||
3TB42 3-Pole with DC Coil
Selection Chart:
| Frame Size |
Amp ratings |
Three phase HP ratings |
Auxiliary contacts |
Catalog No. | ||||
|---|---|---|---|---|---|---|---|---|
| UL/CSA | AC3 | AC1 | 230V | 460V | NO | NC | ||
| S1 | - | 16 | - | 5 | 10 | 1 | 0 | 3TB4210-0B |
| 0 | 1 | 3TB4211-0B | ||||||
| 1 | 1 | 3TB4212-0B | ||||||
| 2 | 2 | 3TB4217-0B | ||||||