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Siemens Definite Purpose Contactor: 3 Poles, 277V AC, 40 A, Non-Reversing - Non-Reversing Definite Purpose Contactors
SiemensNon-Reversing Definite Purpose Contactors

Siemens Definite Purpose Contactor: 3 Poles, 277V AC, 40 A, Non-Reversing

The SIEMENS 42 Series Definite Purpose Contactor is a three-pole, non-reversing contactor with a 3NO main pole contact form and a maximum voltage rating of 600V AC. It features a 240/277V AC coil voltage, surface…

SKU 3G-OTH-43089

Brand
Siemens
Item
Definite Purpose Contactor: 3 Poles, 277V AC, 40 A, Non-Reversing
Category
Non-Reversing Definite Purpose Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
42CF35AL
Series
42 Series
Type
40 A, Non-Reversing, Std Contactor Frame Size
AC
277V
Phase
Three
Coil Voltage
240/277V AC
Mounting Style
Surface
Main Pole Contact Form
3NO
Maximum Voltage Rating
600V AC
Terminal Connection Type
Quick Disconnect and Screw/Box Lug
View Full Spec Sheet

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

Product Description

The SIEMENS 42 Series Definite Purpose Contactor is a three-pole, non-reversing contactor with a 3NO main pole contact form and a maximum voltage rating of 600V AC. It features a 240/277V AC coil voltage, surface mounting, and terminal connections via quick disconnect and screw/box lug. This 40 A contactor is designed for three-phase applications.

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, 30 A, Non-Reversing, Std Contactor Frame Size (MPN 42BF35AL). 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.
SIEMENS Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 40 A, Non-Reversing (MPN 45GG10AFA). Key specifications — Brand: SIEMENS; Coil Voltage: 110/110-120V 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: 1 + N Poles, 24V AC, 40 A, Non-Reversing (MPN 45GG10AJA). Key specifications — Brand: SIEMENS; Coil Voltage: 24V 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.
Siemens
SIEMENS Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 40 A, Non-Reversing (MPN 45GG10AJA). Key specifications — Brand: SIEMENS; Coil Voltage: 24V 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.