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Siemens Definite Purpose Contactor: 3 Poles, 120V AC, 30 A, Non-Reversing - Non-Reversing Definite Purpose Contactors
SiemensNon-Reversing Definite Purpose Contactors

Siemens Definite Purpose Contactor: 3 Poles, 120V AC, 30 A, Non-Reversing

The SIEMENS Definite Purpose Contactor is a non-reversing, three-pole contactor from the 42 Series, designed for surface mounting. It features a 110/110-120V AC coil, a 3NO main pole contact form, and a maximum…

SKU 3G-OTH-43701

Brand
Siemens
Item
Definite Purpose Contactor: 3 Poles, 120V AC, 30 A, Non-Reversing
Category
Non-Reversing Definite Purpose Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
42BF35AF
Series
42 Series
Type
30 A, Non-Reversing, Std Contactor Frame Size
AC
120V
Phase
Three
Coil Voltage
110/110-120V 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, designed for surface mounting. It features a 110/110-120V AC coil, a 3NO main pole contact form, and a maximum voltage rating of 600V AC. The unit supports quick disconnect and screw/box lug terminal connections, making it suitable for three-phase applications.

Frequently Asked Questions

What is the SIEMENS 42BF35AF definite purpose contactor used for?

The SIEMENS 42BF35AF definite purpose contactor is used for switching three-phase motor loads in HVAC, refrigeration, and industrial equipment. Its 30 A rating and 600V AC maximum voltage make it suitable for controlling compressors, fans, and pumps in commercial and light industrial applications.

What are the specifications of the SIEMENS 42BF35AF contactor?

The SIEMENS 42BF35AF is a 3-pole, non-reversing definite purpose contactor from the 42 Series. It has a 110/110-120V AC coil, 30 A rating, 600V AC maximum voltage, 3NO main pole contact form, surface mounting, and quick disconnect plus screw/box lug terminals. It is designed for three-phase applications.

Where to buy the SIEMENS 42BF35AF contactor worldwide?

You can source the SIEMENS 42BF35AF contactor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable supply for this Siemens 42 Series component.

How to install the SIEMENS 42BF35AF definite purpose contactor?

Mount the SIEMENS 42BF35AF on a flat surface using the provided slots. Connect three-phase power to the line-side terminals and the load to the load-side terminals using quick disconnects or screw/box lugs. Apply 110-120V AC to the coil terminals. Ensure all connections are torqued per Siemens specifications and verify proper 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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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.