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Siemens Definite Purpose Contactor: 2 Poles, 277V AC, 40 A, Non-Reversing - Non-Reversing Definite Purpose Contactors
SiemensNon-Reversing Definite Purpose Contactors

Siemens Definite Purpose Contactor: 2 Poles, 277V AC, 40 A, Non-Reversing

The SIEMENS 42 Series Non-Reversing Definite Purpose Contactor is a single-phase, 2-pole device with a 2NO main pole contact form. It features a 240/277V AC coil voltage and a maximum voltage rating of 600V AC. This…

SKU 3G-OTH-44244

Brand
Siemens
Item
Definite Purpose Contactor: 2 Poles, 277V AC, 40 A, Non-Reversing
Category
Non-Reversing Definite Purpose Contactors
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

Siemens
Manufacturer Part Number
42CF15AL
Series
42 Series
Type
40 A, Non-Reversing, Std Contactor Frame Size
AC
277V
Phase
Single
Coil Voltage
240/277V AC
Mounting Style
Surface
Main Pole Contact Form
2NO
Maximum Voltage Rating
600V AC
Terminal Connection Type
Quick Disconnect and Screw/Box Lug

Technical Documents

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

Product Description

The SIEMENS 42 Series Non-Reversing Definite Purpose Contactor is a single-phase, 2-pole device with a 2NO main pole contact form. It features a 240/277V AC coil voltage 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 42CF15AL definite purpose contactor used for?

The SIEMENS 42CF15AL definite purpose contactor is used for switching single-phase loads in HVAC, refrigeration, and industrial equipment. Its 2-pole, 2NO configuration and 40 A rating make it suitable for controlling compressors, fans, and pumps in commercial and light industrial applications.

What are the specifications of the SIEMENS 42CF15AL contactor?

The SIEMENS 42CF15AL is a 2-pole, non-reversing definite purpose contactor with a 240/277V AC coil voltage and 40 A rating. It has a maximum voltage rating of 600V AC, surface mounting, and quick disconnect plus screw/box lug terminals. It is part of the 42 Series and features a 2NO main pole contact form.

Where to buy the SIEMENS 42CF15AL contactor worldwide?

You can source the SIEMENS 42CF15AL 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 42CF15AL definite purpose contactor?

Mount the SIEMENS 42CF15AL on a clean, flat surface using the provided slots. Connect line and load wires to the quick disconnect or screw/box lug terminals per the wiring diagram. Ensure coil voltage matches your control circuit (240/277V AC). Torque terminals to manufacturer specifications and test operation before energizing the system.

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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