Siemens Auxiliary Switch: 1NO/1NC
Siemens Siemens Auxiliary Contacts.
SKU 3G-OTH-38635
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
Siemens Siemens Auxiliary Contacts.
Frequently Asked Questions
What is a Siemens auxiliary switch used for?
A Siemens auxiliary switch like the 49CE42SPDT provides remote status feedback for contactors, relays, or circuit breakers. It signals open/closed positions to control panels, PLCs, or alarms in industrial automation, HVAC, and power distribution systems.
What are the specifications of the Siemens 49CE42SPDT auxiliary switch?
The Siemens 49CE42SPDT auxiliary switch is a 1NO/1NC configuration rated for 90 A max current (AC). It is a SPDT (single-pole double-throw) contact block designed for use with Siemens contactors and motor starters.
Where to buy Siemens auxiliary switches worldwide?
3G Electric supplies Siemens auxiliary switches like the 49CE42SPDT to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine Siemens part.
How to install a Siemens auxiliary switch on a contactor?
Mount the Siemens auxiliary switch onto the designated slot on the contactor or relay. Ensure the switch aligns with the actuator. Wire the NO and NC terminals per your control circuit diagram. Always de-energize equipment before installation and follow Siemens guidelines.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens siemens auxiliary contacts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
