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Safety Switch ES21-SA10E1 | 2 Positive Action N/C Contacts | Rotary Release Type | IP65 Rated | by SICK
The ES21-SA10E1 Safety Switch is designed for industrial safety systems, featuring 2 positive action normally closed contacts and a secure rotary release type for reliable actuation. With an IP65 rated enclosure, it offers excellent dust and water protection, making it ideal for machinery safety interlocks and surface mount applications.
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Technical Specifications
- Positive action N/C contacts: 2
- N/O contacts: 0
- Actuation directions: 1
- Release type: Rotary release
- B10d parameter: 2.5 x 10^5 switching cycles
- Safe series connection: None, only individual wiring with diagnostics
- Connection type: Cable gland, 2 x M20
- Conductor cross section: ≤ 2.5 mm²
- Contact: Screw connection
- Protection class: II (EN 50178)
- Switching principle: Slow action switching element
- Usage category: AC-15/DC-13 (EN 60947-5-1)
- Rated operating current (voltage): 3 A (250 V AC), 2 A (24 V DC)
- Rated insulation voltage Ui: 600 V
- Switching voltage: ≥ 5 V DC
- Switching current: ≥ 1 mA
- Housing material: Plastic
- Mounting version: Surface mount
- Enclosure rating: IP65 (IEC 60529)
- Ambient operating temperature: –25 °C to +60 °C
- Storage temperature: –25 °C to +85 °C
- Dimensions (H x L x W): 40mm x 100mm x 60mm
- Weight: 0.21 kg
Key Features
- 2 positive action normally closed (N/C) contacts
- Rotary release type for secure actuation
- Obstruction protection included
- Surface mount version for easy installation
- IP65 rated enclosure for dust and water protection
- Slow action switching element for reliable operation
Professional Installation Requirements
- Installation should be performed by a qualified electrician or technician familiar with safety switch wiring and compliance standards.
Applications
- Industrial safety systems requiring positive action N/C contacts
- Machinery safety interlocks
- Surface mount safety switch applications
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Durable plastic housing reduces material waste
- Long operational life reduces replacement frequency
Warranty Information
Standard manufacturer warranty applies. Please refer to SICK's official warranty policy for details.
Available Now
The SICK ES21-SA10E1 Safety Switch is available for immediate purchase, ideal for industrial safety and machinery interlock applications.
