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Siemens Magnetic Contactor: Reversing, 3 Poles, NEMA Size 1-3/4, 40 A - Reversing NEMA Contactors
SiemensReversing NEMA Contactors

Siemens Magnetic Contactor: Reversing, 3 Poles, NEMA Size 1-3/4, 40 A

The SIEMENS NEMA Magnetic Contactor is a reversing contactor with 3 poles, NEMA Size 1-3/4, rated 40 A and 120/240V AC (Dual Rated) (MPN 43EP32AA). 3G Electric interprets your demand for this OEM part, sourcing it…

SKU 3G-OTH-41499

Brand
Siemens
Item
Magnetic Contactor: Reversing, 3 Poles, NEMA Size 1-3/4, 40 A
Category
Reversing NEMA Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
43EP32AA
Type
NEMA Size 1-3/4, 40 A
Poles
3
AC (Dual Rated)
120/240V
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS NEMA Magnetic Contactor is a reversing contactor with 3 poles, NEMA Size 1-3/4, rated 40 A and 120/240V AC (Dual Rated) (MPN 43EP32AA). 3G Electric interprets your demand for this OEM part, sourcing it across 14 industrial departments with specialist depth in controls, ensuring you get the right answer for your application.

Frequently Asked Questions

What is the SIEMENS 43EP32AA reversing contactor used for?

The SIEMENS 43EP32AA is a NEMA reversing magnetic contactor used to control the forward and reverse rotation of three-phase AC motors in industrial applications such as conveyors, hoists, and pumps. It is designed for heavy-duty motor starting and switching in manufacturing and process automation environments.

What are the specifications of the SIEMENS 43EP32AA contactor?

The SIEMENS 43EP32AA is a NEMA Size 1-3/4 reversing contactor with 3 poles and a continuous current rating of 40 A. It is dual-rated for 120/240 V AC coil voltage. The manufacturer part number is 43EP32AA. This contactor is suitable for reversing motor applications in industrial control panels.

Where to buy the SIEMENS 43EP32AA contactor worldwide?

You can source the SIEMENS 43EP32AA reversing contactor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact our team for availability and lead time. We supply genuine Siemens components for industrial automation needs.

How to select the correct NEMA contactor for a reversing motor application?

To select the correct NEMA contactor, match the NEMA size and continuous current rating to your motor's full-load amps and duty cycle. For reversing applications, ensure the contactor is mechanically interlocked to prevent simultaneous closure of forward and reverse contacts. Verify coil voltage matches your control circuit, such as the 120/240 V AC dual-rated coil on the Siemens 43EP32AA.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens reversing nema contactors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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