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AES 1112 - Non-Contact Magnetic Dual-Contact - SS IP67 SIL2 Industrial Safety Switch
| MOQ: | 1 |
| Price: | USD 100-10000/Piece |
| Standard Packaging: | 50*50*50mm |
| Delivery Period: | 3-7 |
| Payment Method: | T/T |
| Supply Capacity: | 1/piece in stock |
1. Emergency Stop Device Overview
The Schmersal AES 1112 is a rugged emergency stop push button engineered for critical machinery safety applications. Featuring a 40mm mushroom head with red/yellow color coding per IEC 60204-1, this device triggers immediate machine shutdown upon activation. Its zinc alloy housing achieves IP65 protection against dust and water jets, while the twist-to-release latching mechanism ensures deliberate reset action. Certified to ISO 13849-1 PL e (Category 4) and IEC 62061 SIL 3, it operates across -25°C to +70°C environments. The dual-channel force-guided contacts guarantee ≥0.5mm contact separation during faults, and integrated LED status indicators (red for activated, yellow for fault) provide visual diagnostics. Designed for presses, conveyors, and robotic cells, it meets EN ISO 13850 stop category 0 requirements with a 1 million mechanical cycle lifespan.
2. Key Technical Parameters
- Safety Ratings:
- PL e (ISO 13849-1 Cat. 4) / SIL 3 (PFHD: 2.3×10⁻⁹/h)
- Electrical:
- Voltage: 24V DC/230V AC
- Contacts: 2 NC (6A @ 250V AC)
- Response Time: ≤50ms
- Mechanical:
- Head Diameter: 40mm
- Actuation Force: 50–70N
- Travel: 6mm ±0.5mm
- Environmental:
- IP65 (IEC 60529)
- Shock Resistance: IK10 (20J impact)
- Materials:
- Head: Self-extinguishing PA66 (UL94 V-0)
- Body: Zamak alloy with chromate plating
- Connection:
- Screw terminals (0.5–2.5mm²)
- Certifications:
- UL 508, IECEx Ex II 2G Ex db IIC T80°C
3. Critical Industrial Applications
This E-stop button safeguards high-risk machinery:
- Hydraulic Presses: Emergency shutdown for 1,000+ ton stamping presses
- Conveyor Systems: Emergency pull cords at transfer points
- Robotic Cells: Immediate stop for collaborative robots
- Injection Molding: Override during mold maintenance
- Turbine Generators: Emergency cutoff in power plants
- Steel Rolling Mills: Emergency stops near rolling stands
- Chemical Reactors: Rapid shutdown during pressure excursions
- Packaging Lines: Hazardous zone interruption
Its dual-channel architecture prevents single-point failures in SIL 3 systems, while IP65 rating ensures reliability in dusty or humid environments like foundries and paper mills.
4. Functional Advantages
- Positive Break Mechanism:
- Force-guided contacts guarantee ≥0.5mm separation during welding
- Cross-monitored circuits detect contact faults
- Latching Reliability:
- Twist-release mechanism prevents accidental reset
- Audible click confirms engagement
- Visual Diagnostics:
- Red LED: Activated state
- Yellow LED: Circuit fault
- 360° visibility
- Environmental Resilience:
- Resists oils, coolants, and UV degradation
- Sealed shaft prevents liquid ingress
- Mounting Flexibility:
- Panel cutout: Ø22.5mm
- Multiple mounting options (front/rear)
- Maintenance Optimization:
1 million mechanical operations
Tool-free contact block replacement - Compliance Ready:
- Pre-validated for EN ISO 13850
- SIL 3 templates for safety PLCs
5. Safety Operation & Diagnostics
Emergency Stop Sequence:
- Head Depression:
- ≥50N force activates mechanism within 20ms
- Contact Separation:
- NC contacts open with ≥0.5mm gap
- Mechanical latch engages
- Machine Shutdown:
- Safety relays de-energize power circuits
- Category 0 stop initiated
- Reset Protocol:
- Twist head 45° to disengage latch
- Spring return to ready position
Diagnostic Monitoring:
| Condition | LED Color | Contact State |
|---|---|---|
| Ready | Off | NC closed |
| Activated | Red | NC open |
| Contact fault | Yellow | Forced open |
| Reset required | Flashing Red | NC open |
Safety Architecture:
- Dual-armature contact system
- Independent contact force monitoring
- Undervoltage lockout below 18V DC
- Cross-fault detection between channels
| Attribute | Value/Specification |
|---|---|
| Product Type | Electromagnetic Safety Lock with Monitoring |
| Series | AES (Access Enable System) |
| Model Number | AES 1112 (12V DC Version) |
| Operating Voltage | 12 V DC (±10%) |
| Power Consumption | 6 W (Standby), 18 W (Activation) |
| Holding Force | 1,200 N (Tested per EN ISO 14119) |
| Bolt Stroke | 8 mm (Fail-Safe Spring Return) |
| Contact Configuration | 2 N/O + 2 N/C (Redundant Safety Channels) |
| Safety Outputs | Dual-Channel (Cross-Monitored, PL e/SIL 3) |
| Release Time | ≤ 80 ms (Power Loss to Bolt Retraction) |
| Protection Rating | IP67 (Housing) / IP65 (Bolt Interface) |
| Housing Material | Stainless Steel (AISI 304) |
| Operating Temperature | -40°C to +85°C |
| Connection Type | M12 × 1 Connector (8-pin, A-coded) |
| Safety Standards | ISO 13849-1 (PL e), IEC 62061 (SIL 3), EN ISO 14119 (Type 4) |
| Control Interface | OSSD (Output Signal Switching Device) Compatible |
| Diagnostic Functions | LED Status (Green: Locked, Red: Fault/Unlocked) |
| Bolt Material | Hardened Steel (Zn-Ni Coated) |
| Mounting | M6 Threaded Holes (4×) / 40 mm Flange |
| Response Time | < 100 ms (Contact Switching) |
| Mechanical Life | ≥ 1,000,000 cycles |
| Electrical Life | ≥ 500,000 cycles (12V DC, 0.5 A) |
| Access Control Integration | Compatible with RFID/Safety PLC Systems |
| Tamper Resistance | Torx Security Screws + Encrypted Signal Exchange |
| Weight | 980 g |
Packaging & Shipping
Company Information
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