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Siemens Contact Block: 30 mm Panel Mounting Size, 1NC, Momentary/Late Break - Contact Blocks
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Siemens Contact Block: 30 mm Panel Mounting Size, 1NC, Momentary/Late Break

The SIEMENS Contact Block (SKU 52BAU, MPN 52BAU) is a 30 mm panel mounting size contact block with a momentary/late break switch action. It features screw terminals and is compatible with the Universal series. This…

SKU 3G-OTH-32710

Also listed as: 52 BAU · 52-BAU

Brand
Siemens
Item
Contact Block: 30 mm Panel Mounting Size, 1NC, Momentary/Late Break
Category
Contact Blocks
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
52BAU
Type
1NC, Momentary/Late Break, Universal Series
Switch Action
Momentary/Late Break
Compatible with Series
Universal
Terminal Connection Type
Screw Terminals

Technical Documents

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

Product Description

The SIEMENS Contact Block (SKU 52BAU, MPN 52BAU) is a 30 mm panel mounting size contact block with a momentary/late break switch action. It features screw terminals and is compatible with the Universal series. This component is designed for industrial control applications requiring a normally closed (1NC) configuration.

Frequently Asked Questions

What is the SIEMENS 52BAU contact block used for?

The SIEMENS 52BAU contact block is used in industrial control panels as a 1NC momentary/late break switching element. It is compatible with the Universal series and mounts on 30 mm panel openings, providing reliable normally closed switching for machine safety circuits and control stations.

What are the specifications of the SIEMENS 52BAU contact block?

The SIEMENS 52BAU contact block has a 30 mm panel mounting size, 1NC configuration, momentary/late break switch action, and screw terminal connections. It is part of the Universal series and carries MPN 52BAU. This component is designed for industrial control applications requiring a normally closed contact.

Where to buy the SIEMENS 52BAU contact block worldwide?

3G Electric supplies the SIEMENS 52BAU contact block worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this Universal series component.

How to install the SIEMENS 52BAU contact block?

Mount the SIEMENS 52BAU contact block onto a 30 mm panel opening using the provided hardware. Connect wires to the screw terminals according to your control circuit diagram, ensuring the normally closed (1NC) configuration is correctly wired. Follow standard industrial safety practices during installation.

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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