SIEMENS
Contact module with 2 NC contact elements and spring-type terminals, designed for front plate mounting for reliable industrial control applications.
Backorder available · Factory lead time 2–3 weeks.
The Siemens 3SU1400-1AA10-3EA0 is a high-quality contact module engineered for reliable signal switching in industrial control systems. Designed for front plate mounting, this module features two normally closed (NC) contact elements and durable spring-type terminals, ensuring secure connections, fast installation, and long-term operational stability.
2 NC contact elements for dependable control signaling
Spring-type terminals for quick, secure, and vibration-resistant wiring
Front plate mounting design for easy installation and maintenance
Compatible with Siemens SIRIUS ACT pushbuttons and control devices
Robust build quality suitable for demanding industrial environments
Reliable Switching: Equipped with 2 NC contacts for dependable circuit breaking in safety and control applications.
Rapid Wiring: Utilizes spring-type terminal technology, enabling quick, tool-free, and secure connection, saving installation time and reducing wiring errors.
Vibration Resistance: The spring-type connection method offers excellent resistance to vibration, ensuring long-term electrical integrity, particularly in machinery applications.
Modular Design: Part of the comprehensive SIRIUS ACT system, ensuring compatibility and easy integration with a wide range of actuators and holders.
Space-Saving: Designed for efficient front plate mounting behind the control panel, maintaining a tidy and professional control system layout.
The Siemens 3SU1400-1AA10-3EA0 functions as a contact module that securely transmits control signals from operator devices to automation systems. Its two NC contacts allow fail-safe switching functions, making it suitable for stop commands, interlocks, or safety-related control operations.
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| SKU / Model | 3SU1400-1AA10-3EA0 |
|---|---|
| Brand | SIEMENS |
| product brand name | SIRIUS ACT |
| product designation | Contact module |
| product type designation | 3SU1 |
| socket design | other |
| product function positive opening | Yes |
| insulation voltage rated value | 500 V |
| degree of pollution | 3 |
| type of voltage | - |
| ● of the operating voltage | AC/DC |
| ● of the input voltage | AC/DC |
| surge voltage resistance rated value | 6 kV |
| protection class IP | - |
| ● of the enclosure | IP40 |
| ● of the terminal | IP20 |
| shock resistance | - |
| ● acc. to IEC 60068-2-27 | Sinusoidal half-wave 50g / 11 ms |
| vibration resistance | - |
| ● acc. to IEC 60068-2-6 | 10 ... 500 Hz: 5g |
| ● for railway applications acc. to DIN EN 61373 | Category 1, Class B |
| operating frequency maximum | 3 600 1/h |
| mechanical service life (switching cycles) typical | 10 000 000 |
| electrical endurance (switching cycles) typical | 10 000 000 |
| thermal current | 10 A |
| reference code acc. to IEC 81346-2 | S |
| continuous current of the C characteristic MCB | 10 A |
| operating voltage | - |
| ● at AC | - |
| — at 50 Hz rated value | 5 ... 500 V |
| — at 60 Hz rated value | 5 ... 500 V |
| ● at DC rated value | 5 ... 500 V |
| contact reliability | One maloperation per 100 million (17 V, 5 mA), one maloperation per 10 million (5 V, 1 mA) |
| design of the contact of auxiliary contacts | Silver alloy |
| number of NC contacts for auxiliary contacts | 2 |
| ● lagging switching | 0 |
| number of NO contacts for auxiliary contacts | 0 |
| ● leading contact | 0 |
| operational current at AC-12 | - |
| operational current at AC-15 | - |
| operational current at DC-12 | - |
| operational current at DC-13 | - |
| ● at 24 V rated value | 3 A |
| ● at 48 V rated value | 1.5 A |
| ● at 110 V rated value | 0.7 A |
| ● at 230 V rated value | 0.3 A |
| ● at 400 V rated value | 0.1 A |
| ● at 500 V rated value | 0.1 A |
| type of electrical connection | spring-loaded terminals |
| type of connectable conductor cross-sections | - |
| ● solid without core end processing | 2x (0.25 ... 1.5 mm²) |
| ● finely stranded with core end processing | 2x (0.25 ... 0.75 mm²) |
| ● finely stranded without core end processing | 2x (0.25 ... 1.5 mm²) |
| ● at AWG cables | 2x (24 ... 16) |
| ambient temperature | - |
| ● during operation | -25 ... +70 °C |
| ● during storage | -40 ... +80 °C |
| environmental category during operation acc. to IEC 60721 | 3M6, 3S2, 3B2, 3C3 (without salt spray), 3K6 (with relative humidity of 10 ... 95%, no condensation in operation permitted) |
| fastening method | front panel mounting |
| ● of modules and accessories | Front plate mounting |
| last modified: | 10/27/2021 |
| Weight | 0.017 kg |
| Dimensions | 73.00 × 87.00 × 27.00 mm |
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