We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
Image not available
SiemensSocket-Mounted Relays

Siemens 3TX71 Series 3TX7112-1NC13 Socket-Mounted Relay

The SIEMENS 3TX71 Series plug-in relay is a socket-mounted relay with an octal base and round pins. It features a 12-pin terminal electrical connection, a 10 A current rating, 24V AC coil voltage, and a 3PDT contact…

SKU 3G-OTH-37478

Also listed as: 3TX71121NC13 · 3TX7112 1NC13

Brand
Siemens
Item
3TX71 Series 3TX7112-1NC13 Socket-Mounted Relay
Part Number
3TX7112-1NC13
Category
Socket-Mounted Relays
Available to Order
Also known as:3TX7112-1NC13Siemens
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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.

Technical Specifications

Siemens
Manufacturer Part Number
3TX7112-1NC13
Series
3TX71 Series
Type
3PDT
AC
24V
Base Type
Octal
Pin Shape
Round
Current Rating
10 A
Mounting Style
Plug-In
Pins/Terminals
11
Electrical Connection
12-Pin Terminal

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SIEMENS 3TX71 Series plug-in relay is a socket-mounted relay with an octal base and round pins. It features a 12-pin terminal electrical connection, a 10 A current rating, 24V AC coil voltage, and a 3PDT contact configuration (MPN 3TX7112-1NC13).

Frequently Asked Questions

What is the SIEMENS 3TX7112-1NC13 plug-in relay used for?

The SIEMENS 3TX7112-1NC13 is a socket-mounted relay used for switching industrial control circuits, such as in PLC outputs, motor starters, and conveyor systems. Its 3PDT configuration and 10 A rating suit general-purpose automation and machinery control applications.

What are the specifications of the SIEMENS 3TX7112-1NC13 relay?

The SIEMENS 3TX7112-1NC13 is a 3TX71 Series plug-in relay with an octal base, round pins, and 12-pin terminal connection. It has a 24V AC coil voltage, 10 A current rating, and 3PDT contact arrangement. Mounting style is plug-in via socket.

Where to buy the SIEMENS 3TX7112-1NC13 relay worldwide?

3G Electric supplies the SIEMENS 3TX7112-1NC13 relay worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 3TX71 Series plug-in relay.

How to install the SIEMENS 3TX7112-1NC13 plug-in relay?

To install the SIEMENS 3TX7112-1NC13, ensure the socket is wired per the 12-pin terminal diagram. Align the octal base pins with the socket and press firmly until seated. Verify coil voltage (24V AC) and load current (10 A max) match your circuit before energizing.

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
Not sure this is the right part? Photo-identify it

Siemens Products

3G Electric supplies Siemens socket-mounted relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from Siemens

View all Siemens parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first