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Safety Switch ES21-MB16S4 | 2 Positive Action N/C Contacts | Rotary Release Type | IP65 & IP67 Rated | by SICK
The Safety Switch ES21-MB16S4 features 2 positive action normally closed (N/C) contacts and a secure rotary release type, making it ideal for industrial safety systems. With an IP65 and IP67 rating, this panel mount switch ensures reliable operation in harsh environments, providing peace of mind for safety 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: With Flexi Loop (with diagnostics)
- Connection type: M12 male connector, 4-pin, A-coding
- Switching principle: Slow action switching element
- Usage category: AC-15/DC-13 (EN 60947-5-1)
- Rated operating current (voltage): 4 A (35 V AC), 2 A (35 V DC)
- Rated insulation voltage Ui: 250 V
- Electrical life: 50,000 switching cycles
- Mechanical life: 50,000 switching cycles
- Housing material: Plastic
- Mounting version: Panel mount
- Enclosure rating: IP65, IP67 (IEC 60529)
- Ambient operating temperature: –25 °C to +70 °C
- Storage temperature: –40 °C to +80 °C
- Dimensions (H x L x W): 30mm x 50mm x 30mm
- Weight: 0.1 kg
Key Features
- 2 positive action normally closed (N/C) contacts
- Rotary release type for secure actuation
- Safe series connection with Flexi Loop including diagnostics
- Slow action switching element for reliable operation
- Panel mount version with plastic housing
- Rated operating current: 4 A (35 V AC), 2 A (35 V DC)
- Electrical life of 50,000 switching cycles
- Mechanical life of 50,000 switching cycles
- Enclosure rating IP65 and IP67 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 technician familiar with safety switch systems to ensure compliance with safety standards.
Applications
- Industrial safety systems requiring reliable positive action N/C contacts
- Panel mount safety switch applications
- Use in environments requiring IP65 and IP67 rated protection
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable design reduces replacement frequency and waste
- Compliant with China-RoHS for reduced hazardous substances
Warranty Information
Standard manufacturer warranty applies. Please refer to SICK's official warranty policy for details.
Available Now
The SICK ES21-MB16S4 safety switch is available for immediate purchase, ideal for industrial safety and control panel applications.
