KEYENCE SR-700HA Ultra-compact Fixed type Code Reader

Product Description

The KEYENCE SR-700HA is a high-performance safety interlock switch designed for guarding applications on industrial machinery and equipment. This robust safety solution provides reliable access control for doors, gates, and guards on automated systems, ensuring operator safety while maintaining productivity.

As part of KEYENCE's comprehensive safety product portfolio, the SR-700HA features a solenoid-driven locking mechanism that prevents unauthorized access to hazardous areas during machine operation. The switch incorporates a positive-break mechanism that ensures safe operation even in the event of spring failure or component malfunction. The sturdy metal actuator and housing provide excellent durability and resistance to tampering, making it suitable for heavy-duty industrial environments.

The SR-700HA offers both monitored manual release and monitored key release options, providing flexibility for different safety requirements and maintenance procedures. The bright LED indicators provide clear status information at a distance, allowing operators to quickly identify the lock status. With its high-security design and reliable performance, this safety interlock switch is ideal for applications in automotive manufacturing, metalworking, packaging, and other industrial sectors where machine safety is critical.

Technical Specifications:

General Information: The manufacturer is KEYENCE. The product model is SR-700HA Safety Interlock Switch. This device meets Type 4 safety requirements according to ISO 14119 and complies with IEC 60947-5-1 standards.

Safety Ratings: The switch achieves Performance Level e (PLe) according to ISO 13849-1 and Safety Integrity Level 3 (SIL 3) according to IEC 62061. It carries CE certification and meets relevant machinery safety directives.

Electrical Characteristics: The operating voltage range is 24V DC ±10%. The maximum switching capacity is 2A at 24V DC for safety outputs. The device features two normally closed (NC) safety contacts and one normally open (NO) auxiliary contact. The insulation resistance is 100MΩ or higher at 500V DC.

Mechanical Characteristics: The housing is constructed of zinc die-cast with a stainless steel actuator, providing IP67 protection against dust and water immersion. The mechanical life expectancy exceeds 1 million operations. The operating temperature range is from -25°C to +70°C. The vibration resistance is up to 10-55Hz with 1.5mm amplitude.

Locking Mechanism: The solenoid-operated locking system provides a minimum locking force of 2000N. The release time is less than 100ms when powered. The manual release version allows for emergency access when power is lost, while the key release version provides controlled access management.

Indicator System: The switch features a multi-color LED status indicator with red/green illumination for clear visibility up to 10 meters. The indicators show power status, switch state, and error conditions.

Installation Requirements: The mounting requires two M4 mounting screws with a torque specification of 1.2N·m. The actuator and switch body must be aligned within ±2mm for proper operation. The cable connection uses a M12 5-pin connector for quick installation and maintenance.

Response Time: The safety circuit response time is less than 20ms from actuator movement to contact break. The locking mechanism engages within 50ms of receiving the lock command.

Compatibility: The SR-700HA is compatible with most safety relays and programmable safety controllers. It can be integrated into safety circuits up to Category 4 according to ISO 13849-1.

Disclaimer: This information is provided for reference purposes only. For complete and definitive specifications, including detailed installation instructions and safety integration requirements, always consult the official KEYENCE SR-700HA product documentation and technical manual. Proper installation, validation, and regular maintenance by qualified personnel are essential for ensuring compliance with relevant safety standards and regulations.

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