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Siemens Contact Block: 22 mm Panel Mounting Size, 1NO, Momentary, 3SU1 Series - Contact Blocks
SiemensContact Blocks

Siemens Contact Block: 22 mm Panel Mounting Size, 1NO, Momentary, 3SU1 Series

The SIEMENS Contact Block is a 22 mm panel mounting size contact block from the 3SU1 series. This momentary switch action unit features a 1NO contact configuration and screw terminals for secure wiring connections…

SKU 3G-OTH-31781

Brand
Siemens
Item
Contact Block: 22 mm Panel Mounting Size, 1NO, Momentary, 3SU1 Series
Category
Contact Blocks
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Technical Specifications

Siemens
Manufacturer Part Number
3SU1400-1AA10-1BA0
Series
3SU1
Type
1NO, Momentary, Screw Terminals
Switch Action
Momentary
Compatible with Series
3SU1
Terminal Connection Type
Screw Terminals
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Contact Block is a 22 mm panel mounting size contact block from the 3SU1 series. This momentary switch action unit features a 1NO contact configuration and screw terminals for secure wiring connections. It is identified by manufacturer part number 3SU1400-1AA10-1BA0.

Frequently Asked Questions

What is the SIEMENS 3SU1400-1AA10-1BA0 contact block used for?

This SIEMENS contact block is used in industrial control panels for momentary switching of a single normally open (1NO) circuit. It mounts in a 22 mm panel cutout and connects via screw terminals, common in machinery, conveyors, and process equipment requiring reliable pushbutton control.

What are the specifications of the SIEMENS 3SU1400-1AA10-1BA0 contact block?

The SIEMENS 3SU1400-1AA10-1BA0 is a 22 mm panel mounting size contact block from the 3SU1 series. It features a 1NO momentary switch action with screw terminals for secure wiring. The manufacturer part number is 3SU1400-1AA10-1BA0.

Where to buy the SIEMENS 3SU1400-1AA10-1BA0 contact block worldwide?

3G Electric supplies the SIEMENS 3SU1400-1AA10-1BA0 contact block worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 3SU1 series momentary contact block.

How to install the SIEMENS 3SU1400-1AA10-1BA0 contact block?

Install the SIEMENS 3SU1400-1AA10-1BA0 contact block by mounting it into a 22 mm panel cutout. Secure the screw terminals with the appropriate torque per SIEMENS guidelines. Ensure the 1NO momentary action aligns with your control circuit requirements before powering 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 contact blocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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