The Siemens SENTRON 5TT5750-2 is an Insta contactor with four normally-open (NO) contacts and zero NC contacts, rated for 63 A at 230 V or 400 V AC, with a 24 V AC/DC coil. That 63 A rating means it handles resistive and moderate motor loads up to that current in panel applications — think lighting banks, heater banks, or smaller conveyor drives where you need a compact, DIN-rail-mounted switching point. The 24 V AC/DC coil keeps it compatible with standard control voltages found across most industrial and building automation panels. At 71 mm deep, 54 mm wide, and 90 mm tall, with an installation depth of 64 mm, it occupies three width units (modular spaces) on a DIN rail. That 54 mm width is the same as a standard miniature circuit breaker, so it slots into existing SENTRON sub-distribution boards without re-spacing the rail. The IP20 finger-safe housing means it's intended for enclosure mounting — not for washdown or outdoor exposure.
Siemens 5TT5750-2 SENTRON Insta Contactor, 4 NO, 63 A, 24 V
Siemens SENTRON Insta contactor, 5TT5750-2, 4 NO contacts, 63 A at 230/400 V AC, 24 V AC/DC coil, IP20, 3 width units.
Specifications
Mechanical
| Parameter | Value |
|---|---|
| Width | 54 mm |
| Height | 90 mm |
| Depth | 71 mm |
Other specifications
| Parameter | Value |
|---|---|
| Installation depth | 64 mm |
| Protection class IP | IP20 |
| Design of the product | 4 NO contacts |
| Number of NC contacts | 0 |
| Number of NO contacts | 4 |
| Number of width units | 3 |
| Acc. to DIN EN 61346-2 | Q |
| Acc. to DIN EN 81346-2 | Q |
Product details
Frequently asked questions
What are the key ratings of the 5TT5750-2?
It is a 4 NO contactor rated 63 A at 230/400 V AC with a 24 V AC/DC coil. It measures 71 mm deep, 54 mm wide, 90 mm tall, with an installation depth of 64 mm, and carries an IP20 protection class.
Where can I buy the 5TT5750-2?
This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
Will the 5TT5750-2 fit in a panel designed for a 5SL4363-7 miniature circuit breaker?
Both share the same 54 mm width and 3 width units, so the contactor occupies the same DIN-rail footprint as the 5SL4363-7. However, the 5TT5750-2 is a contactor (switching load) while the 5SL4363-7 is a miniature circuit breaker (overcurrent protection) — they serve different functions, so a direct swap without rewiring is not possible.