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Siemens Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 40 A - Non-Reversing Definite Purpose Contactors
SiemensNon-Reversing Definite Purpose Contactors

Siemens Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 40 A

The SIEMENS Definite Purpose Magnetic Contactor (SKU 56JY23, MPN 45GG10AJA) is a non-reversing, single-phase contactor from the 42 Series with a 1NO main pole contact form. It features a 24V AC coil, a maximum…

SKU 3G-OTH-42573

Brand
Siemens
Item
Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 40 A
Category
Non-Reversing Definite Purpose Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
45GG10AJA
Series
42 Series
Type
40 A, Non-Reversing
AC
24V
Phase
Single
Coil Voltage
24V 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 (SKU 56JY23, MPN 45GG10AJA) is a non-reversing, single-phase contactor from the 42 Series with a 1NO main pole contact form. It features a 24V AC coil, a maximum voltage rating of 600V AC, and screw terminals for surface mounting. This HVACR definite purpose contactor is designed for industrial equipment applications.

Frequently Asked Questions

What is the SIEMENS 45GG10AJA definite purpose magnetic contactor used for?

The SIEMENS 45GG10AJA definite purpose magnetic contactor is used for switching HVACR equipment such as compressors, fan motors, and refrigeration units. Its 24V AC coil and 40 A rating make it suitable for single-phase industrial applications requiring reliable on/off control.

What are the specifications of the SIEMENS 45GG10AJA contactor?

The SIEMENS 45GG10AJA is a non-reversing, single-phase definite purpose contactor from the 42 Series. It has a 24V AC coil, 40 A rating, 600V AC maximum voltage, 1NO main pole contact form, screw terminals, and surface mounting. It is designed for HVACR applications.

Where to buy the SIEMENS 45GG10AJA contactor worldwide?

You can source the SIEMENS 45GG10AJA contactor worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the SIEMENS 45GG10AJA definite purpose contactor?

To install the SIEMENS 45GG10AJA, mount it on a flat surface using the screw terminals. Ensure the 24V AC coil voltage matches your control circuit. Connect the line and load wires per the wiring diagram. Always de-energize the system before installation and follow local electrical codes.

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.
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.