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Siemens Definite Purpose Contactor: 2 Poles, 120V AC, 40 A, Non-Reversing - Non-Reversing Definite Purpose Contactors
SiemensNon-Reversing Definite Purpose Contactors

Siemens Definite Purpose Contactor: 2 Poles, 120V AC, 40 A, Non-Reversing

The SIEMENS Definite Purpose Contactor is a non-reversing, 2-pole contactor from the 42 Series, designed for single-phase applications. It features a 110/110-120V AC coil voltage, a 2NO main pole contact form, and a…

SKU 3G-OTH-42766

Brand
Siemens
Item
Definite Purpose Contactor: 2 Poles, 120V AC, 40 A, Non-Reversing
Category
Non-Reversing Definite Purpose Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
42CF15AF
Series
42 Series
Type
40 A, Non-Reversing, Std Contactor Frame Size
AC
120V
Phase
Single
Coil Voltage
110/110-120V AC
Mounting Style
Surface
Main Pole Contact Form
2NO
Maximum Voltage Rating
600V AC
Terminal Connection Type
Quick Disconnect and Screw/Box Lug
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Definite Purpose Contactor is a non-reversing, 2-pole contactor from the 42 Series, designed for single-phase applications. It features a 110/110-120V AC coil voltage, a 2NO main pole contact form, and a maximum voltage rating of 600V AC. This surface-mount contactor offers quick disconnect and screw/box lug terminal connections.

Frequently Asked Questions

What is the SIEMENS 42CF15AF definite purpose contactor used for?

The SIEMENS 42CF15AF definite purpose contactor is used for switching single-phase loads in HVAC, refrigeration, and industrial equipment. Its 2-pole, 40 A, 120V AC coil design makes it suitable for controlling compressors, fans, and pumps in commercial and light industrial applications.

What are the specifications of the SIEMENS 42CF15AF contactor?

The SIEMENS 42CF15AF is a 2-pole, non-reversing definite purpose contactor from the 42 Series. It has a coil voltage of 110/110-120V AC, a maximum voltage rating of 600V AC, and a 40 A rating. It features surface mounting, quick disconnect and screw/box lug terminals, and a 2NO main pole contact form.

Where to buy the SIEMENS 42CF15AF contactor worldwide?

You can source the SIEMENS 42CF15AF contactor worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine SIEMENS components for industrial applications.

How to install the SIEMENS 42CF15AF definite purpose contactor?

Mount the SIEMENS 42CF15AF contactor on a flat surface using the provided slots. Connect power and load wires to the quick disconnect or screw/box lug terminals per the wiring diagram. Ensure coil voltage matches the 110-120V AC supply. Always follow local electrical codes and de-energize circuits before installation.

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, 277V AC, 40 A, Non-Reversing, Std Contactor Frame Size (MPN 42CF35AL). Key specifications — Brand: SIEMENS; Coil Voltage: 240/277V 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 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.