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Home Product SF804DS Advanced Drive System | Schneider Altivar Process ATV600 Series VFD, IP55 Protection
SF804DS

SF804DS Advanced Drive System | Schneider Altivar Process ATV600 Series VFD, IP55 Protection

SF804DS safety relay
SF804DS emergency stop
SF804DS dual channel
SF804DS
SF804DS safety relay is designed for emergency stop systems, providing dual-channel monitoring and cross-circuit detection to ensure secure machine shutdown in industrial safety applications. This relay offers reliable contactor monitoring, fault diagnostics, and complies with international safety standards for PL e/Cat 4 requirements.
Categories:Electronic components
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Product Description

The SF804DS safety relay is a robust dual-channel device designed for high-reliability emergency stop applications in industrial automation and machinery. It features two independent input channels for monitoring safety signals and three output contacts (2 NO/1 NC) to control downstream equipment. Compatible with safety modules and sensors via direct connection, it supports communication protocols like PROFIsafe or Ethernet/IP Safety for seamless integration into control systems. Operating at 24VDC ±10% with a temperature range of -20°C to +60°C, the SF804DS excels in harsh environments. Its dual-channel architecture ensures redundancy for SIL3/PL e compliance, making it ideal for automotive, robotics, and heavy machinery. Key advantages include fast response time and self-diagnostic functions, though installation requires precise configuration. The relay’s compact design omits screens or batteries, focusing on reliable signal processing within defined sensor detection ranges.
Parameter Specification
Model Number SF804DS
Function Type Safety Relay with Emergency Stop Integration
Channels Dual Channel (2NO + 2NC)
Contact Configuration 4 CO (SPDT)
Rated Voltage 24V DC / 110-230V AC
Contact Rating 6A @ 250V AC / 8A @ 24V DC
Safety Category EN ISO 13849-1: Cat.4, PL e
Response Time ≤20ms
Standards Compliance IEC 60204-1, EN 60947-5-1, EN 62061
Emergency Stop Compatibility EN ISO 13850, Dual-circuit monitoring
Cross-fault Detection Integrated automatic diagnostics
Operating Temperature -25°C to +55°C
Housing Material Self-extinguishing PC/ABS
question:Can I apply for low-value declaration for shipments?
answer:Yes, eligible shipments can apply for low-value declaration under specific regulations.
question:What shipping methods do you support?
answer:We support DHL, FedEx, UPS, and other major carriers. Contact us for shipping options.
question:Why did products arrive with removed labels?
answer:Labels may be removed during customs clearance or compliance checks. Contact us for assistance.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can I apply for low-value declaration for shipments?
answer:Yes, eligible shipments can apply for low-value declaration under specific regulations.
question:What shipping methods do you support?
answer:We support DHL, FedEx, UPS, and other major carriers. Contact us for shipping options.
question:Why did products arrive with removed labels?
answer:Labels may be removed during customs clearance or compliance checks. Contact us for assistance.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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