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Siemens Definite Purpose Magnetic Contactor: 1 + N Poles, 277V AC, 40 A - Non-Reversing Definite Purpose Contactors
SiemensNon-Reversing Definite Purpose Contactors

Siemens Definite Purpose Magnetic Contactor: 1 + N Poles, 277V AC, 40 A

The SIEMENS 42 Series Definite Purpose Magnetic Contactor (MPN 45GG10ALA) is a non-reversing HVACR definite purpose contactor with a 1NO main pole contact form and three-phase operation. It features a coil voltage of…

SKU 3G-OTH-43596

Brand
Siemens
Item
Definite Purpose Magnetic Contactor: 1 + N Poles, 277V AC, 40 A
Category
Non-Reversing Definite Purpose Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
45GG10ALA
Series
42 Series
Type
40 A, Non-Reversing
AC
277V
Phase
Three
Coil Voltage
240/277V 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
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS 42 Series Definite Purpose Magnetic Contactor (MPN 45GG10ALA) is a non-reversing HVACR definite purpose contactor with a 1NO main pole contact form and three-phase operation. It features a coil voltage of 240/277V AC, a maximum voltage rating of 600V AC, and screw terminals for surface mounting.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SIEMENS 45GG10ALA definite purpose contactor used for?

The SIEMENS 45GG10ALA definite purpose magnetic contactor is designed for HVACR applications such as controlling compressors, fans, and pumps. It handles three-phase loads up to 40 A with a 1NO main pole contact form and a coil voltage of 240/277V AC.

What are the specifications of the SIEMENS 45GG10ALA contactor?

The SIEMENS 45GG10ALA is a 42 Series non-reversing definite purpose contactor with 1 + N poles, 40 A rating, 240/277V AC coil voltage, and 600V AC maximum voltage. It features screw terminals, surface mounting, and three-phase operation for HVACR systems.

Where to buy the SIEMENS 45GG10ALA contactor worldwide?

You can source the SIEMENS 45GG10ALA definite purpose contactor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your HVACR projects.

How to install the SIEMENS 45GG10ALA definite purpose contactor?

Mount the SIEMENS 45GG10ALA contactor on a clean, dry surface using the screw terminals. Ensure the coil voltage matches your 240/277V AC supply. Follow standard HVACR wiring practices and verify all connections are tight before energizing the circuit.

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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SIEMENS Definite Purpose Contactor: 3 Poles, 120V AC, 50 A, Non-Reversing, Std Contactor Frame Size (MPN 42DF35AF). Key specifications — Brand: SIEMENS; Coil Voltage: 110/110-120V AC; Mounting Style: Surface; Terminal Connection Type: Quick Disconnect and Screw/Box Lug; Maximum Voltage Rating: 600V AC; Series: 42 Series; Phase: Three; Main Pole Contact Form: 3NO.
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SIEMENS Definite Purpose Contactor: 3 Poles, 120V AC, 50 A, Non-Reversing, Std Contactor Frame Size (MPN 42DF35AF). Key specifications — Brand: SIEMENS; Coil Voltage: 110/110-120V AC; Mounting Style: Surface; Terminal Connection Type: Quick Disconnect and Screw/Box Lug; Maximum Voltage Rating: 600V AC; Series: 42 Series; Phase: Three; Main Pole Contact Form: 3NO.
SIEMENS Definite Purpose Magnetic Contactor: 3 Poles, 480V AC, 75 A, Non-Reversing (MPN 42FE35AH). Key specifications — Brand: SIEMENS; Coil Voltage: 380-440/440-480V AC; Contactor Style: HVACR Definite Purpose Contactor; Mounting Style: Surface; Terminal Connection Type: Screw Terminals; Maximum Voltage Rating: 600V AC; Series: 42 Series; Phase: Three.
Siemens
SIEMENS Definite Purpose Magnetic Contactor: 3 Poles, 480V AC, 75 A, Non-Reversing (MPN 42FE35AH). Key specifications — Brand: SIEMENS; Coil Voltage: 380-440/440-480V AC; Contactor Style: HVACR Definite Purpose Contactor; Mounting Style: Surface; Terminal Connection Type: Screw Terminals; Maximum Voltage Rating: 600V AC; Series: 42 Series; Phase: Three.