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PHOENIX CONTACT QUINT-DIODE/40 2938963 – DC Power Redundancy Module
Product Overview
The PHOENIX CONTACT QUINT-DIODE/40 2938963 is a high-efficiency DC power redundancy module designed for 24V DC industrial systems. It enables parallel connection of two power supplies to provide seamless redundancy and prevent system downtime caused by power source failures. With a 40A rated current and low voltage drop, it ensures stable power distribution for control panels, PLCs, and field devices in harsh industrial environments.
Technical Specifications — QUINT-DIODE/40 2938963
| Parameter | Value |
|---|---|
| Product Model | QUINT-DIODE/40 2938963 |
| Manufacturer | PHOENIX CONTACT |
| Product Type | DC Power Redundancy Module |
| Input Voltage | 0–30V DC (nominal 24V DC) |
| Rated Input Current | 2×20A / 1×40A |
| Output Voltage | 24V DC |
| Output Current | 40A max |
| Efficiency | >97% |
| Operating Temperature | -25°C to +70°C (derate above 60°C) |
| Mounting | DIN rail (NS 35) |
| Dimensions (HxWxD) | 84mm × 62mm × 102mm |
| Weight | 0.68kg |
| Interfaces | Screw terminals (0.5–16mm²) |
| Compliance | IP20, ATEX, EMC |
PHOENIX CONTACT QUINT-DIODE/40 2938963
Key Features and Benefits — QUINT-DIODE/40 2938963
- Dual Redundancy: Supports two 24V DC inputs for automatic failover, eliminating single points of failure.
- High Current Capacity: Delivers up to 40A continuous current, suitable for high-power industrial loads.
- Low Voltage Drop: 0.5V drop minimizes power loss and heat generation during operation.
- Reverse Polarity Protection: Safeguards connected equipment from reverse voltage up to 60V DC.
- Compact DIN Rail Design: Space-saving enclosure fits standard control panels for easy integration.
Related Models
- QUINT-DIODE/20 2938950: 20A redundancy module for low-power applications.
- QUINT-DIODE/100 2938976: 100A high-current redundancy module for heavy loads.
- QUINT-PS/24DC/40: 24V DC 40A power supply, paired for redundant setups.
- STEP-DIODE/24DC/20: Compact 20A diode module for small control systems.
Installation and Maintenance — QUINT-DIODE/40 2938963
- Mount the module on a standard DIN rail in a well-ventilated control cabinet.
- Connect two independent 24V DC power sources to the input terminals, observing polarity.
- Attach the output terminals to the system load, using appropriate gauge wiring for 40A current.
- Verify all connections are tight to prevent overheating during operation.
- Periodically check for dust accumulation and ensure operating temperature stays within limits for long-term reliability.
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