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Safety Switch ES21-SA10F1 | Positive Action N/C Contacts | Rotary Release | IP65 Rated | by SICK
The ES21-SA10F1 Safety Switch features 2 positive action normally closed contacts and 1 normally open contact, making it ideal for industrial safety systems and machinery interlocks. With a rotary release for easy manual reset and an IP65 rated enclosure, this switch ensures reliable operation in demanding environments, providing peace of mind for safety compliance.
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Technical Specifications
- Positive action N/C contacts: 2
- N/O contacts: 1
- 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 connection: 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: 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): 100mm x 40mm x 60mm
- Weight: 0.22 kg
Key Features
- 2 positive action normally closed (N/C) contacts and 1 normally open (N/O) contact
- Rotary release type for easy manual reset
- Obstruction protection included
- Slow action switching element for reliable operation
- Surface mount version with plastic housing
- IP65 rated enclosure for dust and water protection
- Rated operating current: 3 A at 250 V AC, 2 A at 24 V DC
- Rated insulation voltage of 600 V
- Suitable for AC-15/DC-13 usage category
Professional Installation Requirements
- Installation by a qualified electrician or technician is recommended to ensure compliance with safety standards and proper wiring.
Applications
- Industrial safety systems requiring reliable positive action contacts
- Machinery safety interlocks
- Surface mount safety switch applications
Standards & Compliance
- Complies with AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Durable design reduces replacement frequency and waste
- Complies with China-RoHS for restricted hazardous substances
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK ES21-SA10F1 Safety Switch is available for immediate purchase, ideal for industrial safety and machinery interlock applications.
