SIEMENS
SIEMENS 3RT10546AB36 IEC Magnetic Contactor 3 Poles 23-26V AC/DC 115A
Three-pole IEC contactor rated 115 A inductive with 23–26 V AC/DC coil and 2NO/2NC auxiliaries
- Non-reversing 3-pole switching handles 115 A inductive loads
- 23 to 26 V AC/DC coil simplifies control-circuit design
- 2 NO / 2 NC auxiliaries built in for status feedback
- 10,000,000 mechanical cycles rated for long service life
- Screw terminals on surface-mount frame S6 speed panel wiring
Siemens 3RT10546AB36 Contactor
This Siemens IEC magnetic contactor is a three-pole, non-reversing device from the SIRIUS 3RT10 family in frame size S6. It switches main circuits up to 1000 V AC with a 115 A inductive rating and 160 A resistive rating. The unit operates on a 23 to 26 V AC/DC coil and includes four auxiliary contacts configured as 2NO and 2NC. Screw terminals provide the wiring interface.
Suitable Applications and Limits
The contactor suits three-phase motor starting and power switching at 50 or 60 Hz where a 115 A inductive load rating meets the demand. It fits panels drilled for 0.36 inch holes with 5.12 inch height and 3.94 inch width spacing in vertical orientation. Buyers needing a reversing starter, a different coil voltage, an enclosed housing or a higher inductive current rating must select another device.
Deciding Specification
The 23 to 26 V AC/DC coil voltage is the single parameter that determines whether this contactor integrates with the control circuit. Verify the control supply matches this range exactly before purchase.
Highlights
- Non-reversing 3-pole switching handles 115 A inductive loads
- 23 to 26 V AC/DC coil simplifies control-circuit design
- 2 NO / 2 NC auxiliaries built in for status feedback
- 10,000,000 mechanical cycles rated for long service life
- Screw terminals on surface-mount frame S6 speed panel wiring
Specifications
| Brand | SIEMENS |
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Questions about this item
How do I mount the 3RT10546AB36 contactor on a panel and what is the spacing mistake to avoid?
Mount vertically using the four holes of 0.36 in diameter. The critical spacing is 5.12 in height by 3.94 in width. A common error is swapping the height and width centres, which misaligns the mounting pattern.
What part of the 3RT10546AB36 will need replacement first under normal operation?
The main contacts are rated for 115 A inductive load. They wear with each switching cycle and will require replacement before the coil or the screw terminals, which have no stated wear limit.
At what point does the 3RT10546AB36 reach its mechanical limit during sustained use?
The mechanical durability is specified at 10,000,000 operating cycles. This is the first hard limit reached under continuous switching, assuming the 115 A inductive and 160 A resistive ratings are not exceeded.
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