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Siemens Definite Purpose Magnetic Contactor: 1 + N Poles, 480V AC, 40 A - Non-Reversing Definite Purpose Contactors
SiemensNon-Reversing Definite Purpose Contactors

Siemens Definite Purpose Magnetic Contactor: 1 + N Poles, 480V AC, 40 A

The SIEMENS Definite Purpose Magnetic Contactor (MPN 45GG10AHA) is a non-reversing, three-phase contactor from the 42 Series, designed for HVACR applications. It features a 1NO main pole contact form, a coil voltage…

SKU 3G-OTH-43718

Brand
Siemens
Item
Definite Purpose Magnetic Contactor: 1 + N Poles, 480V AC, 40 A
Category
Non-Reversing Definite Purpose Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
45GG10AHA
Series
42 Series
Type
40 A, Non-Reversing
AC
480V
Phase
Three
Coil Voltage
380-440/440-480V 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 Definite Purpose Magnetic Contactor (MPN 45GG10AHA) is a non-reversing, three-phase contactor from the 42 Series, designed for HVACR applications. It features a 1NO main pole contact form, a coil voltage of 380-440/440-480V AC, a maximum voltage rating of 600V AC, and a 40 A rating. This surface-mount contactor uses screw terminals for connection.

Frequently Asked Questions

What is the SIEMENS 45GG10AHA definite purpose contactor used for?

The SIEMENS 45GG10AHA is a non-reversing definite purpose contactor designed for HVACR applications such as compressors, fan motors, and refrigeration units. It switches three-phase loads up to 40 A at 480V AC, with a maximum voltage rating of 600V AC.

What are the specifications of the SIEMENS 45GG10AHA contactor?

The SIEMENS 45GG10AHA is a three-phase, 42 Series contactor with a 1NO main pole contact form. Coil voltage is 380-440/440-480V AC. It is rated 40 A, surface-mounted, and uses screw terminals. Maximum voltage rating is 600V AC.

Where to buy the SIEMENS 45GG10AHA contactor worldwide?

You can source the SIEMENS 45GG10AHA 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.

How to install the SIEMENS 45GG10AHA definite purpose contactor?

Mount the SIEMENS 45GG10AHA on a clean, dry surface using the screw terminals for line and load connections. Ensure coil voltage matches your control circuit (380-440/440-480V AC). Follow standard HVACR wiring practices and torque specifications for safe operation.

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 Magnetic Contactor: 2 Poles, 480V AC, 40 A, Non-Reversing (MPN 45GG20AH). 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: Single.
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SIEMENS Definite Purpose Magnetic Contactor: 3 Poles, 277V AC, 75 A, Non-Reversing (MPN 42FE35AL). Key specifications — Brand: SIEMENS; Coil Voltage: 240/277V 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.
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SIEMENS Definite Purpose Magnetic Contactor: 3 Poles, 277V AC, 75 A, Non-Reversing (MPN 42FE35AL). Key specifications — Brand: SIEMENS; Coil Voltage: 240/277V 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 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
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.