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Siemens Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series - Contact Blocks
SiemensContact Blocks

Siemens Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series

The SIEMENS Contact Block is a 22 mm panel mounting size contact block from the 3SU1 series. It features a momentary switch action and spring terminals for tool-free wiring. This 1NC (normally closed) configuration…

SKU 3G-OTH-34018

Brand
Siemens
Item
Contact Block: 22 mm Panel Mounting Size, 1NC, Momentary, 3SU1 Series
Category
Contact Blocks
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Technical Specifications

Siemens
Manufacturer Part Number
3SU14001AA103HA0
Series
3SU1
Type
1NC, Momentary, Spring Terminals
Switch Action
Momentary
Compatible with Series
3SU1
Terminal Connection Type
Spring 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. It features a momentary switch action and spring terminals for tool-free wiring. This 1NC (normally closed) configuration component is identified by manufacturer part number 3SU14001AA103HA0.

Frequently Asked Questions

What is the SIEMENS 3SU14001AA103HA0 contact block used for?

The SIEMENS 3SU14001AA103HA0 contact block is used in industrial control panels for momentary switching applications. It provides a normally closed (1NC) circuit that opens when actuated, commonly used in emergency stop or safety interlock circuits within the 3SU1 series.

What are the specifications of the SIEMENS 3SU14001AA103HA0 contact block?

This SIEMENS contact block has a 22 mm panel mounting size, 1NC configuration, momentary switch action, and spring terminals for tool-free wiring. It is part of the 3SU1 series with manufacturer part number 3SU14001AA103HA0 and uses spring-type terminal connections.

Where to buy the SIEMENS 3SU14001AA103HA0 contact block worldwide?

You can source the SIEMENS 3SU14001AA103HA0 contact block through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your control panel needs.

How to install the SIEMENS 3SU14001AA103HA0 contact block?

Install the SIEMENS 3SU14001AA103HA0 contact block by mounting it to a 22 mm panel cutout. Use the spring terminals for tool-free wiring: insert stripped wires into the terminal openings and secure by pressing the spring lever. Ensure the normally closed circuit is correctly wired for momentary operation.

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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