Emergency Stop Unit ES11-SA1A4 | IP65 Rated | 2 N/C Contacts | Safe Series Connection | by SICK
The Emergency Stop Unit ES11-SA1A4 is designed for reliable emergency stop control in industrial machinery and safety systems. Featuring 2 positive action normally closed contacts and an IP65 rated enclosure, it ensures protection against dust and water. Ideal for automation and manufacturing safety circuits, this unit supports safe series connection with Flexi Loop, making it a crucial component for compliance and safety.
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Alternatively Known As: Emergency Stop Button, E-Stop Unit, Safety Stop Switch, Emergency Stop Switch
Technical Specifications
- Positive action N/C contacts: 2
- N/O contacts: 0
- Actuation directions: 1
- Rated operating current: 2 A at 24 V DC (DC-13, EN 60947-5-1)
- Contact material: Silver Nickel (AgNi)
- Electrical life: 5 x 10^4 switching cycles
- Mechanical life: 5 x 10^4 switching cycles
- Housing material: PBT
- Connection type: Plug connector, M12, 4-pin
- Coupling nut material: PBT
- Protection class: III (EN 50178)
- Enclosure rating: IP65 (EN 60529)
- Operating temperature range: -25°C to +70°C
- Storage temperature range: -25°C to +80°C
- Safe series connection with Flexi Loop including diagnostics
- Dimensions (H x L x W): 123mm x 52mm x 40mm
- Weight: 0.112 kg
Key Features
- 2 positive action normally closed (N/C) contacts
- Slow action switching element for reliable operation
- Safe series connection capability with Flexi Loop including diagnostics
- Plug connector M12, 4-pin with PBT coupling nut
- Protection class III (EN 50178)
- IP65 rated enclosure for dust and water protection
- Operating temperature range from -25°C to +70°C
Professional Installation Requirements
- Installation should be performed by a qualified electrician or safety system professional to ensure compliance with safety standards and proper integration into emergency stop circuits.
Applications
- Industrial machinery emergency stop control
- Safety systems requiring reliable emergency stop functionality
- Automation and manufacturing safety circuits
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Durable housing and long mechanical life reduce waste and replacement frequency
- IP65 rating ensures protection against environmental ingress, extending product lifespan
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK ES11-SA1A4 Emergency Stop Unit is available for immediate purchase, ideal for industrial safety and emergency stop applications.
