1. General Information

• Part Number: 0-49011-6A（also written as 0490116A）

• Manufacturer: Reliance Electric / Rockwell Automation（now ABB）

• Product Type: CardPak Driver Card / Power Drive Module

• Application: For Reliance FlexPak / MinPak DC drives, CardPak rack systems, provides power drive & signal amplification for control loops

• Status: Obsolete（legacy）；available as refurbished / surplus stock

• Series: CardPak Plug-in Control Modules

2. Functional Description

• Power drive & amplification for DC drive power stages

• Converts low-level control signals into high-current drive outputs for SCR bridges

• Provides isolation & buffering between control logic and power circuits

• Works with other CardPak modules（PSU, regulator, timing, protection）

• Key for speed/torque regulation in industrial DC drives

3. Electrical Specifications

• Control Power: +24 VDC（±10%）from CardPak PSU

• Input Signal: Analog control signal（0–10 VDC / 4–20 mA）

• Output Signal: Amplified gate drive pulses for SCR power devices

• Isolation: 1500 VAC rms between control and power sections

• Drive Current: High-current pulse output（SCR gate drive）

• Protection: Overcurrent, overvoltage, short-circuit, thermal shutdown

• Frequency: 50/60 Hz line synchronization

4. Mechanical Specifications

• Form Factor: Standard CardPak plug-in module（edge connector）

• Dimensions（W×H×D）: 4 in × 6 in × 2 in（102 mm × 152 mm × 51 mm）

• Weight: Approx. 2.5 lbs（1.13 kg）

• Enclosure: Industrial black metal, dust & EMI resistant

• PCB: Conformal coated（moisture/corrosion protection）

• Connector: Gold-plated edge connector（CardPak standard）

• Mounting: Vertical slot in CardPak rack

5. Environmental Ratings

• Operating Temp: 0 °C to +55 °C

• Storage Temp: −40 °C to +70 °C

• Humidity: 5%–95% RH, non-condensing

• Vibration: 1 g（10–100 Hz）, industrial grade

• Shock: 10 g, 11 ms duration

6. Key Features

• High-power SCR gate drive for DC drive power bridges

• Galvanic isolation protects control circuits from power-side faults

• Fast response for dynamic speed/torque regulation

• Drop-in replacement for all legacy CardPak racks

• Robust protection against overloads and short circuits

• Long-term reliability for continuous industrial operation

7. Compatibility

• Racks: All Reliance CardPak series racks

• Drives: FlexPak DC, MinPak DC, and related Reliance DC drive systems

• Related Modules: 0-49001-9（PSU）, 0-49009-3（regulator driver）, 0-49008-A（limit module）