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Safety Switch ES11-SA1A4 | 2 Positive Action N/C Contacts | IP65 Rated | by SICK
The ES11-SA1A4 safety switch features 2 positive action normally closed contacts, ensuring reliable emergency stop functions in industrial safety systems. With an IP65 rated enclosure and a wide operating temperature range of -25°C to +70°C, this switch is perfect for machinery safety interlocks and automation control systems. Built for durability and compliance with safety standards, it’s an essential component for any safety circuit.
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Technical Specifications
- Positive action N/C contacts: 2
- N/O contacts: 0
- Actuation directions: 1
- Rated operating current: 2 A at 24 V DC
- Contact material: Silver Nickel (AgNi)
- Electrical life for emergency stop pushbuttons: 50,000 switching cycles
- Mechanical life for emergency stop pushbuttons: 50,000 switching cycles
- 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
- Connection type: Plug connector, M12, 4-pin
- Coupling nut material: PBT
- Housing material: PBT
- 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 professional to ensure compliance with safety standards and proper integration into safety circuits.
Applications
- Industrial safety systems requiring reliable emergency stop functions
- Machinery safety interlocks
- Automation and control systems with safety requirements
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Durable PBT housing reduces need for frequent replacements
- High electrical and mechanical life reduces waste
- Complies with China-RoHS for hazardous substance restrictions
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK ES11-SA1A4 safety switch is available for immediate purchase, ideal for industrial safety and emergency stop applications.
