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Phone：+86 17062388866Description
The Reliance Electric 57C413B is a high-precision SCR (Silicon Controlled Rectifier) gate driver module designed for Reliance SPRINT DC drive systems, serving as the critical interface between control logic and power conversion stages. This board translates low-voltage control signals from the 57C409 processor into precisely timed, isolated firing pulses for thyristor bridges in industrial DC motor drives up to 1500 HP. Engineered for extreme electrical noise environments like steel mills and paper plants, the Reliance Electric 57C413B features optoisolated pulse transformers delivering 3A peak gate current with<0>
57C413B RELIANCE
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 57C413B |
| Manufacturer | Reliance Electric (Rockwell Automation) |
| Product Type | SCR Gate Driver Module |
| Gate Output Channels | 6 (Six-Pulse Configuration) |
| Peak Gate Current | 3 A (Non-Repetitive) |
| Gate Voltage | 3.5 V ±0.2 V |
| Pulse Width | 120° (Adjustable 60–160°) |
| Timing Accuracy | ±0.1 µs |
| Isolation Voltage | 2500 V AC (Input-to-Output) |
| Input Signal | 0–10 V DC (Per Phase) |
| Supply Voltage | ±15 V DC (From 57C410A) |
| Operating Temperature | 0°C to +55°C |
| Response Time | <2> |
| Protections | dV/dt Suppression, Open-Gate Detection |
| Termination | Spring Clamp (16–22 AWG) |
| Certifications | UL 508, CE, EN 61800-5-1 |
Main Features and Advantages
Precision Triggering Technology:
Adaptive pulse stretching ensures reliable SCR turn-on under inductive loads
Phase-locked loop (PLL) synchronization compensates for line frequency variations
dV/dt filters prevent false triggering from voltage transients (>500 V/µs immunity)
Intelligent Diagnostics:
Continuous gate circuit monitoring detects open/short conditions
LED per channel indicates pulse transmission status
Fault signals routed to 57C409 control module for predictive maintenance
Robust Industrial Design:
Reinforced creepage distances (8 mm) prevent arc-over in humid environments
Reverse-polarity protection for supply inputs
Gold-plated contacts resist oxidation in sulfurous atmospheres
Application Field
The Reliance Electric 57C413B is deployed in high-power DC drive applications requiring fault-tolerant thyristor control:
Steel Rolling Mills: Precision speed synchronization of tandem DC motors
Paper Machine Drives: Coordinated section control in dryer/cutter applications
Mining Shovels: Dynamic braking control during hoist operations
Plastics Extruders: Torque-stable operation under material surging
Port Cranes: Regenerative braking coordination in container handling systems
57C413B RELIANCE
Related Products
Reliance 57C409: Control processor module generating firing commands
Reliance 57C410A: Power supply module for ±15V logic power
Reliance 57C467: Redundant gate driver board for critical systems
Reliance 0-54214-3: Phase control transformer for synchronization
Reliance 57A600: Heat sink/SCR module assembly
Reliance 57C438: Current feedback board for closed-loop control
Rockwell 57C-RPL6: Replacement SCR kit for drive refurbishment
Reliance 57C402: Operator interface panel
