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Siemens 42 Series Non-Reversing Definite Purpose Contactor - Non-Reversing Definite Purpose Contactors
SiemensNon-Reversing Definite Purpose Contactors

Siemens 42 Series Non-Reversing Definite Purpose Contactor

The SIEMENS Definite Purpose Magnetic Contactor (MPN 45GG10AFA) is a non-reversing, three-phase contactor from the 42 Series, designed as an HVACR definite purpose contactor. It features a 1NO main pole contact form…

SKU 3G-OTH-43934

Brand
Siemens
Item
42 Series Non-Reversing Definite Purpose Contactor
Category
Non-Reversing Definite Purpose Contactors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
45GG10AFA
Series
42 Series
Type
40 A, Non-Reversing
AC
120V
Phase
Three
Coil Voltage
110/110-120V AC
Mounting Style
Surface
Contactor Style
HVACR Definite Purpose Contactor
Main Pole Contact Form
1NO
Maximum Voltage Rating
600V AC
Terminal Connection Type
Screw Terminals

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Definite Purpose Magnetic Contactor (MPN 45GG10AFA) is a non-reversing, three-phase contactor from the 42 Series, designed as an HVACR definite purpose contactor. It features a 1NO main pole contact form, a coil voltage of 110/110-120V AC, and a maximum voltage rating of 600V AC. This surface-mount unit uses screw terminals for connection.

Frequently Asked Questions

What is the SIEMENS 45GG10AFA definite purpose contactor used for?

The SIEMENS 45GG10AFA is a non-reversing, three-phase definite purpose contactor from the 42 Series, designed for HVACR applications such as controlling compressors, fans, and pumps. It handles up to 40 A at 600V AC and operates on a 110/110-120V AC coil.

What are the specifications of the SIEMENS 45GG10AFA contactor?

The SIEMENS 45GG10AFA is a 40 A, non-reversing contactor with 1NO main pole contact form, 110/110-120V AC coil voltage, and 600V AC maximum voltage rating. It is a three-phase, surface-mount unit with screw terminals, part of the 42 Series HVACR definite purpose contactor line.

Where to buy the SIEMENS 45GG10AFA contactor worldwide?

You can source the SIEMENS 45GG10AFA contactor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this 42 Series HVACR contactor.

How to install the SIEMENS 45GG10AFA definite purpose contactor?

Mount the SIEMENS 45GG10AFA on a clean, dry surface using the screw terminals for wiring. Ensure the coil voltage matches your 110/110-120V AC supply. Follow standard electrical safety practices and consult the manufacturer's wiring diagram for proper connection of the 1NO main pole.

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 non-reversing definite purpose contactors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Three-phase definite purpose contactor for HVACR and industrial equipment. Non-reversing with 1 normally open main pole. Coil voltage 190-220/208-240V AC, maximum voltage 600V AC. Surface mount with screw terminals. Rated 40 A
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Three-phase definite purpose contactor for HVACR and industrial equipment. Non-reversing with 1 normally open main pole. Coil voltage 190-220/208-240V AC, maximum voltage 600V AC. Surface mount with screw terminals. Rated 40 A
Three-phase definite purpose contactor from the Siemens 42 Series, rated 40 A at 480V AC with a maximum voltage of 600V AC. Features a 1NO main pole contact form and dual-range coil voltage of 380-440/440-480V AC. Surface-mount design with screw terminals. Suitable for switching HVACR loads such as compressors, fan motors, and refrigeration units
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Three-phase definite purpose contactor from the Siemens 42 Series, rated 40 A at 480V AC with a maximum voltage of 600V AC. Features a 1NO main pole contact form and dual-range coil voltage of 380-440/440-480V AC. Surface-mount design with screw terminals. Suitable for switching HVACR loads such as compressors, fan motors, and refrigeration units
Non-reversing definite purpose contactor for HVACR applications such as controlling compressors, fans, and pumps. Features 1 normally open main pole, 40 A rating, 240/277V AC coil voltage, and 600V AC maximum voltage. Three-phase operation with screw terminals for surface mounting
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Non-reversing definite purpose contactor for HVACR applications such as controlling compressors, fans, and pumps. Features 1 normally open main pole, 40 A rating, 240/277V AC coil voltage, and 600V AC maximum voltage. Three-phase operation with screw terminals for surface mounting
Three-phase HVACR definite purpose contactor with 1NO main pole contact form. Rated 30 A at 480V AC, maximum 600V AC. Coil voltage 380-440/440-480V AC. Surface mount with screw terminals. Used for switching loads such as compressors, fan motors, and pumps in commercial and industrial systems
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Three-phase HVACR definite purpose contactor with 1NO main pole contact form. Rated 30 A at 480V AC, maximum 600V AC. Coil voltage 380-440/440-480V AC. Surface mount with screw terminals. Used for switching loads such as compressors, fan motors, and pumps in commercial and industrial systems
SIEMENS Definite Purpose Magnetic Contactor: 2 Poles, 480V AC, 40 A, Non-Reversing (MPN 45GG20AH)
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SIEMENS Definite Purpose Magnetic Contactor: 2 Poles, 480V AC, 40 A, Non-Reversing (MPN 45GG20AH)
Three-phase, non-reversing definite purpose contactor from the 42 Series. Rated 30 A with 2 normally open main poles. Coil voltage 380-440/440-480V AC, maximum voltage 600V AC. Surface mount with screw terminals. Suitable for HVACR applications such as controlling compressors, fans, and pumps
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Three-phase, non-reversing definite purpose contactor from the 42 Series. Rated 30 A with 2 normally open main poles. Coil voltage 380-440/440-480V AC, maximum voltage 600V AC. Surface mount with screw terminals. Suitable for HVACR applications such as controlling compressors, fans, and pumps

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Three-pole, non-reversing definite purpose contactor from the 42 Series. Rated 50 A with 3NO main pole contact form and maximum voltage of 600V AC. Coil voltage is 110/110-120V AC. Surface mount with quick disconnect and screw/box lug terminals. Suitable for switching three-phase loads in HVAC, refrigeration, and industrial equipment
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Three-pole, non-reversing definite purpose contactor from the 42 Series. Rated 50 A with 3NO main pole contact form and maximum voltage of 600V AC. Coil voltage is 110/110-120V AC. Surface mount with quick disconnect and screw/box lug terminals. Suitable for switching three-phase loads in HVAC, refrigeration, and industrial equipment
Three-pole, non-reversing definite purpose contactor rated 75 A at 480V AC. Coil voltage 380-440/440-480V AC, maximum voltage 600V AC. Surface mount with screw terminals. Suitable for switching three-phase motors in HVACR systems such as compressors, fans, and pumps
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Three-pole, non-reversing definite purpose contactor rated 75 A at 480V AC. Coil voltage 380-440/440-480V AC, maximum voltage 600V AC. Surface mount with screw terminals. Suitable for switching three-phase motors in HVACR systems such as compressors, fans, and pumps
Single-phase, non-reversing definite purpose contactor with 2 poles and 2NO main pole contact form. Coil voltage 190-220/208-240V AC, maximum voltage rating 600V AC, 40 A rating. Surface mount with quick disconnect and screw/box lug terminals. Suitable for switching HVAC compressors, fan motors, and lighting loads
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Single-phase, non-reversing definite purpose contactor with 2 poles and 2NO main pole contact form. Coil voltage 190-220/208-240V AC, maximum voltage rating 600V AC, 40 A rating. Surface mount with quick disconnect and screw/box lug terminals. Suitable for switching HVAC compressors, fan motors, and lighting loads
This 2-pole, non-reversing definite purpose contactor from the Siemens 42 Series is rated for 40 A and features a 110-120V AC coil. It is designed for surface mounting with quick disconnect and screw/box lug terminals. Suitable for switching single-phase loads in HVAC, refrigeration, and industrial equipment such as compressors, fans, and pumps
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This 2-pole, non-reversing definite purpose contactor from the Siemens 42 Series is rated for 40 A and features a 110-120V AC coil. It is designed for surface mounting with quick disconnect and screw/box lug terminals. Suitable for switching single-phase loads in HVAC, refrigeration, and industrial equipment such as compressors, fans, and pumps
Three-pole, non-reversing definite purpose contactor from the 42 Series. Rated 60 A, 600V AC maximum, with 24V AC coil and 3NO main pole contact form. Surface mount with quick disconnect and screw/box lug terminals. Suitable for switching loads in HVAC, refrigeration, and industrial machinery
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Three-pole, non-reversing definite purpose contactor from the 42 Series. Rated 60 A, 600V AC maximum, with 24V AC coil and 3NO main pole contact form. Surface mount with quick disconnect and screw/box lug terminals. Suitable for switching loads in HVAC, refrigeration, and industrial machinery
Three-pole, non-reversing definite purpose contactor from the 42 Series. Rated 30 A with a maximum voltage of 600V AC and a 240/277V AC coil. Features 3NO main pole contact form, surface mounting, and terminal connections via quick disconnect and screw/box lug. Suitable for switching three-phase loads such as motors, compressors, and pumps in HVAC and industrial equipment
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Three-pole, non-reversing definite purpose contactor from the 42 Series. Rated 30 A with a maximum voltage of 600V AC and a 240/277V AC coil. Features 3NO main pole contact form, surface mounting, and terminal connections via quick disconnect and screw/box lug. Suitable for switching three-phase loads such as motors, compressors, and pumps in HVAC and industrial equipment
Single-phase definite purpose contactor from the 42 Series with a 24V AC coil, 40 A rating, and 1NO main pole contact form. Rated for 600V AC maximum with screw terminals for surface mounting. Suitable for switching loads in HVACR and other industrial equipment
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Single-phase definite purpose contactor from the 42 Series with a 24V AC coil, 40 A rating, and 1NO main pole contact form. Rated for 600V AC maximum with screw terminals for surface mounting. Suitable for switching loads in HVACR and other industrial equipment
Three-pole non-reversing definite purpose contactor with 3NO main contacts, rated 90 A at 277V AC and 600V AC maximum. Coil voltage 240/277V AC. Screw terminals for surface mounting. Suitable for HVACR applications such as controlling compressors and fan motors in three-phase systems
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Three-pole non-reversing definite purpose contactor with 3NO main contacts, rated 90 A at 277V AC and 600V AC maximum. Coil voltage 240/277V AC. Screw terminals for surface mounting. Suitable for HVACR applications such as controlling compressors and fan motors in three-phase systems