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Safety Switch ES21-SB10E1 | 2 Positive Action N/C Contacts | Rotary Release Type | IP65 Rated | by SICK
The ES21-SB10E1 Safety Switch is designed for industrial safety systems, featuring 2 positive action normally closed contacts and a reliable rotary release mechanism. With an IP65 rated enclosure, it offers excellent dust and water protection, making it ideal for panel mount applications and machinery safety interlocks. Built for durability and compliance, this switch ensures safe operation in demanding environments.
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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: Terminal strip with screw connection
- Conductor cross section: ≤ 2.5 mm²
- 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: Panel mount
- Enclosure rating: IP65 (IEC 60529)
- Ambient operating temperature: –30 °C to +70 °C
- Storage temperature: –50 °C to +85 °C
- Dimensions (H x L x W): 50mm x 30mm x 50mm
- Weight: 0.1 kg
Key Features
- 2 positive action normally closed (N/C) contacts
- Rotary release type for safe operation
- Obstruction protection included
- Panel mount version with plastic housing
- IP65 rated enclosure for dust and water protection
- Slow action switching element for reliable switching
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
- Panel mount safety switch applications
- Machinery safety interlocks with obstruction protection
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
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-SB10E1 Safety Switch is available for immediate purchase, ideal for industrial safety and machinery protection applications.
