S6R-9006 Reliance Electric Maxitron 9000 Series DC Drive

Overview

Key Features

1. Four-Quadrant Regenerative Operation: Supports motoring and regenerative braking, improving energy efficiency and reducing operational costs.

2. High Power Ratings: Accepts 50 VAC input (50/60 Hz) and delivers 520 VDC output at 60 A, suitable for heavy industrial DC motors.

3. Robust Industrial Design: Rugged metal enclosure with optimized thermal management, vibration-resistant components, and protection against dust and moisture for long-term reliability.

4. Integrated Protection Systems: Includes short-circuit protection, AC line filter, dv/dt protection, and electronic motor overload protection to safeguard the drive and connected motor.

5. Precision Control: Advanced SCR-based control circuitry provides accurate speed and torque regulation, with smooth acceleration/deceleration and minimal speed drift.

6. Compatibility: Fully interoperable with Reliance Electric AutoMax PLC and DCS 5000 series systems, supporting easy integration and legacy system upgrades.

7. Diagnostic Indicators: Front-panel LEDs for power, run status, and fault conditions, enabling quick troubleshooting and maintenance.

8. Compact Footprint: Space-efficient design for standard industrial cabinet mounting, optimizing floor space in control rooms.

Technical Specifications

• Manufacturer: Reliance Electric (ABB/Baldor)

• Model: S6R-9006 (alternate P/N: 847-17-51D, Maxitron S6R9006)

• Series: Maxitron 9000

• Type: Three-phase four-quadrant regenerative DC drive

• Input: 50 VAC, 50/60 Hz, 52 A

• Output: 520 VDC, 60 A

• Control Elements: SCR power semiconductors, gate coupling boards, and regulation control circuitry

• Protection Features: Short-circuit, overload, overvoltage, undervoltage, and dv/dt protection

• Operating Temperature: 0°C to +45°C (+32°F to +113°F)

• Storage Temperature: -20°C to +60°C (-4°F to +140°F)

• Humidity: 5%–95% non-condensing

• Dimensions: 381 mm × 406 mm × 508 mm (15 in × 16 in × 20 in)

• Weight: 21.3 kg (47 lbs)

• Enclosure Rating: IP20

• Mounting: Floor or cabinet mount (industrial standard)

• Cooling: Forced-air cooling with integrated fan system

Applications

• Metal Processing: Rolling mills, extruders, and wire drawing machines in steel and aluminum plants.

• Material Handling: Cranes, hoists, conveyors, and lifts in ports, warehouses, and manufacturing facilities.

• Mining & Quarrying: Crushers, feeders, and conveyor systems in harsh mining environments.

• Paper & Pulp: Paper machine drives, calenders, and winders for consistent production quality.

• Legacy System Upgrades: Direct replacement for older Maxitron models, offering modern regenerative technology while maintaining compatibility with existing control systems.

Compatibility and Availability

• Compatible Systems: Reliance Electric AutoMax PLC, DCS 5000 series, and other Multibus-based control platforms.

• Alternate Part Numbers: 847-17-51D, Maxitron S6R9006.

• Status: Obsolete (original production discontinued); available as refurbished, surplus, or used units from specialized industrial automation suppliers.

• Refurbished Units: Undergo full disassembly, component replacement, calibration, and load testing to meet factory specifications, with warranty coverage for reliable operation.

Advantages

• Energy Efficiency: Regenerative braking returns energy to the grid, reducing power consumption and operational costs.

• Heavy-Duty Performance: High voltage/current ratings and rugged design ensure reliable operation in demanding industrial environments.

• Enhanced Protection: Comprehensive protection features minimize downtime and extend the lifespan of the drive and motor.

• Seamless Integration: Compatibility with legacy Reliance systems simplifies upgrades and reduces integration costs.

• Cost-Effective Legacy Support: Refurbished S6R-9006 units provide a budget-friendly, high-reliability solution for maintaining industrial DC drive systems without full replacement.