Siemens Contact module with 1 contact element, spring, 1NC Part number 3SU1400-1AA10-3CA0

Product Overview

Contact module with 1 contact element, 1 NC, spring-type terminal, for front plate mounting from the SIRIUS ACT series. This contact block features spring-type terminals for tool-free installation and is designed to control the flow of electricity through switches in switching power circuits.

Key Features

• 1 Normally Closed (NC) contact element
• Spring-type terminal connection for tool-free wiring
• Front plate mounting configuration
• Innovative snap-on concept for easy installation with one hand and without special tools
• Constructed from highly durable wear-resistant materials
• Part of the SIRIUS ACT portfolio with worldwide product approvals
• Silver alloy contacts for reliable electrical performance

Technical Specifications

• Contact Configuration: 1 Normally Closed contact
• Contact Material: Silver alloy
• Voltage Rating: 5V to 500V AC/DC
• Current Rating: 10A maximum, 6A at AC-15 230V
• Connection Type: Spring-type terminal (spring-loaded connection)
• Mounting Method: Front fastening
• Number of Poles: 1 Pole
• Net Weight: 0.008 kg
• Packaging Dimensions: 26.00 x 36.00 x 10.00 mm
• Country of Origin: Germany
• EAN: 4011209950900
• UPC: 804766073298

Compliance & Standards

• RoHS compliant since 01.10.2014
• WEEE (2012/19/EU) Take-Back Obligation: Yes
• Export Control Regulations: AL: N / ECCN: N

Applications This contact module is ideal for switching circuits in industrial automation applications where quick, tool-free connections are preferred and normally closed functionality is required. The NC configuration provides fail-safe operation in safety applications and emergency stop circuits. Commonly used in electrical and automation systems where frequent maintenance or reconfiguration is required.

Mounting & Installation

• Front plate mounting design
• Snap-on concept allows one-hand installation
• No special tools required for assembly
• Compatible with SIRIUS ACT command and signaling devices
• Suitable for 3SU1 Series pushbuttons and indicator lights

Spring-Type Terminal Benefits

• Tool-free connection: No screwdrivers or special tools required for wire insertion
• Faster installation: Quick push-in wire connection saves installation time
• Reliable spring-loaded contact: Consistent clamping force maintains secure connections
• Maintenance-friendly: Easy wire removal and replacement without tools
• Vibration resistant: Spring mechanism maintains contact integrity in dynamic environments
• Wide wire range compatibility: Accommodates various wire gauges
• Reduced installation errors: Visual confirmation of proper wire insertion

Normally Closed Contact Advantages

• Fail-safe operation: Contact is closed in rest position, opens when activated
• Safety applications: Ideal for emergency stop and safety interlock circuits
• Alarm systems: Perfect for monitoring applications where open circuit indicates fault
• Power control: Suitable for applications requiring power interruption upon activation
• Fault detection: Enables detection of broken wires or connection failures

Product Classification

• eClass: 27-37-13-02
• ETIM: EC000041
• UNSPSC: 39-12-22-21

Download existing graphical data for this product:

• Product Datasheet (PDF)
• Product Details and Documentation