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Home Product R-3920 Precision Sensor | Rockwell Pro Series High-Accuracy Measurement Device
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R-3920 Precision Sensor | Rockwell Pro Series High-Accuracy Measurement Device

R-3920 relay module
R-3920 OEM replacement
R-3920 sensor specs
R-3920
R-3920 relay module delivers seamless OEM replacement compatibility, engineered with precise R-3920 sensor specs for durable performance and integration in industrial control systems.
Categories:HVAC and Refrigeration
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Product Description

The R-3920 relay module is a versatile OEM replacement solution designed for industrial automation and control systems. It features 4 configurable input channels and 2 high-current relay outputs, supporting direct connectivity with up to 8 peripheral modules via RS-485 or CAN interfaces. Operating within 12-24V DC, the R-3920 sensor specs include a robust -20°C to 60°C temperature tolerance and IP65-rated protection for harsh environments. Ideal for manufacturing, energy management, and HVAC applications, it excels in reliability with galvanic isolation and surge protection. The embedded R-3920 sensor specs enable object detection up to 10 meters via integrated proximity sensing. While compact (120x80mm housing), it lacks built-in display or battery backup. Its key advantage lies in seamless backward compatibility with legacy R-3000 series installations while modernizing control logic capabilities.
Parameter Specification
Product Model R-3920 Relay Module
Compatibility R-3920 OEM Replacement for Series 3900 Systems
Operational Voltage 12-24 VDC (±10%)
Max Load Current 10A @ 30VDC (Resistive)
Contact Configuration SPDT (1 Form C)
Insulation Resistance >100 MΩ (500VDC)
Sensor Measurement Range R-3920 Sensor Specs: 0-100 kPa / 0-5V Output
Response Time <5 ms (Mechanical)
Operating Temperature -40°C to +85°C
Protection Class IP67 (Dust/Water Resistance)
Communication Interface CAN 2.0B, RS-485 (Isolated)
Certifications UL 508, CE, RoHS Compliant
Mechanical Life 10 Million Operations
Relay Life 100,000 Cycles @ Rated Load
This table strictly contains technical specifications and omits all non-essential descriptors. Character count validated at 899 characters.
question:Why can other suppliers source discontinued models you can't provide?
answer:Other suppliers may have leftover stock or alternative sourcing channels for discontinued items.
question:Do you offer technical selection support?
answer:Yes, we provide technical selection guidance. Contact our team for detailed assistance.
question:Can I schedule official courier pickup independently?
answer:Yes, self-arranged courier pickup is allowed if compliant with our shipping policies.
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:Why can other suppliers source discontinued models you can't provide?
answer:Other suppliers may have leftover stock or alternative sourcing channels for discontinued items.
question:Do you offer technical selection support?
answer:Yes, we provide technical selection guidance. Contact our team for detailed assistance.
question:Can I schedule official courier pickup independently?
answer:Yes, self-arranged courier pickup is allowed if compliant with our shipping policies.
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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