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Siemens Definite Purpose Contactor: 3 Poles, 24V AC, 50 A, Non-Reversing - Non-Reversing Definite Purpose Contactors
SiemensNon-Reversing Definite Purpose Contactors

Siemens Definite Purpose Contactor: 3 Poles, 24V AC, 50 A, Non-Reversing

The SIEMENS Definite Purpose Contactor is a non-reversing, three-pole contactor from the 42 Series, featuring a 24V AC coil and a 3NO main pole contact form. It is rated for a maximum voltage of 600V AC and supports…

SKU 3G-OTH-43942

Brand
Siemens
Item
Definite Purpose Contactor: 3 Poles, 24V AC, 50 A, Non-Reversing
Category
Non-Reversing Definite Purpose Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
42DF35AJ
Series
42 Series
Type
50 A, Non-Reversing, Std Contactor Frame Size
AC
24V
Phase
Three
Coil Voltage
24V AC
Mounting Style
Surface
Main Pole Contact Form
3NO
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, three-pole contactor from the 42 Series, featuring a 24V AC coil and a 3NO main pole contact form. It is rated for a maximum voltage of 600V AC and supports surface mounting with quick disconnect and screw/box lug terminal connections.

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: 2 Poles, 24V AC, 30 A, Non-Reversing, Std Contactor Frame Size (MPN 42BF15AJ). Key specifications — Brand: SIEMENS; Coil Voltage: 24V AC; Mounting Style: Surface; Terminal Connection Type: Quick Disconnect and Screw/Box Lug; Maximum Voltage Rating: 600V AC; Series: 42 Series; Phase: Single; Main Pole Contact Form: 2NO.
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SIEMENS Definite Purpose Contactor: 2 Poles, 277V AC, 40 A, Non-Reversing, Std Contactor Frame Size (MPN 42CF15AL). 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: Single; Main Pole Contact Form: 2NO.
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SIEMENS Definite Purpose Contactor: 2 Poles, 277V AC, 40 A, Non-Reversing, Std Contactor Frame Size (MPN 42CF15AL). 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: Single; Main Pole Contact Form: 2NO.
SIEMENS Definite Purpose Contactor: 3 Poles, 120V AC, 30 A, Non-Reversing, Std Contactor Frame Size (MPN 42BF35AF). 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.
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SIEMENS Definite Purpose Contactor: 3 Poles, 120V AC, 30 A, Non-Reversing, Std Contactor Frame Size (MPN 42BF35AF). 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 Contactor: 2 Poles, 120V AC, 30 A, Non-Reversing, Std Contactor Frame Size (MPN 42BF15AF). 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: Single; Main Pole Contact Form: 2NO.
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SIEMENS Definite Purpose Contactor: 3 Poles, 208-240V AC, 30 A, Non-Reversing (MPN 42BF35AG). Key specifications — Brand: SIEMENS; Coil Voltage: 190-220/208-240V 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 Contactor: 3 Poles, 208-240V AC, 30 A, Non-Reversing (MPN 42BF35AG). Key specifications — Brand: SIEMENS; Coil Voltage: 190-220/208-240V 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 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.
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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.
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SIEMENS Definite Purpose Contactor: 2 Poles, 208-240V AC, 40 A, Non-Reversing (MPN 42CF15AG). Key specifications — Brand: SIEMENS; Coil Voltage: 190-220/208-240V AC; Mounting Style: Surface; Terminal Connection Type: Quick Disconnect and Screw/Box Lug; Maximum Voltage Rating: 600V AC; Series: 42 Series; Phase: Single; Main Pole Contact Form: 2NO.
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SIEMENS Definite Purpose Contactor: 2 Poles, 208-240V AC, 40 A, Non-Reversing (MPN 42CF15AG). Key specifications — Brand: SIEMENS; Coil Voltage: 190-220/208-240V AC; Mounting Style: Surface; Terminal Connection Type: Quick Disconnect and Screw/Box Lug; Maximum Voltage Rating: 600V AC; Series: 42 Series; Phase: Single; Main Pole Contact Form: 2NO.
SIEMENS Definite Purpose Contactor: 2 Poles, 120V AC, 40 A, Non-Reversing, Std Contactor Frame Size (MPN 42CF15AF). 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: Single; Main Pole Contact Form: 2NO.
Siemens
SIEMENS Definite Purpose Contactor: 2 Poles, 120V AC, 40 A, Non-Reversing, Std Contactor Frame Size (MPN 42CF15AF). 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: Single; Main Pole Contact Form: 2NO.
SIEMENS Definite Purpose Contactor: 3 Poles, 24V AC, 60 A, Non-Reversing, Std Contactor Frame Size (MPN 42EF35AJ). Key specifications — Brand: SIEMENS; Coil Voltage: 24V 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 Contactor: 3 Poles, 24V AC, 60 A, Non-Reversing, Std Contactor Frame Size (MPN 42EF35AJ). Key specifications — Brand: SIEMENS; Coil Voltage: 24V 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 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
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.
Siemens
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.
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.