18 in stock
GE A20B-0005-0450/04B Power Supply Board
GE A20B-0005-0450/04B Power Supply Board
Brand/Manufacturer: GE
Order Number: A20B-0005-0450/04B
Type: Power Supplies
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The GE A20B-0005-0450/048, also cataloged as the A20B-0005-0450 Power Supply Board, operates as a dedicated hardware component for internal DC voltage regulation and multi-rail power distribution within GE CNC system backplanes.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | A20B-0005-0450/048 |
| Brand | GE |
| Origin | Japan |
| Weight | 0.75 kg |
| Dimensions | 220 mm x 160 mm x 40 mm |
| Operating Temp | 0 to 55 deg C |
| Power Consumption | System backplane dependent |
| Input Voltage | 200-240 VAC single-phase +/-10% |
| Input Frequency | 50/60 Hz |
| +5V DC Output | 8 A |
| +24V DC Output | 4 A |
| +15V DC Output | 2 A |
| -15V DC Output | 1.5 A |
| Primary Capacitance | 1500 uF |
| Secondary Capacitance | 330 uF |
| Hold-up Time | 20 ms |
| Circuit Layers | 4 layers |
| Edge Connector | 50-pin |
| Cooling Method | Natural convection with heat sink |
| Protection Limits | Overvoltage (all outputs), short-circuit current limiting, thermal shutdown |
| Monitoring Output | Relay contact |
Backplane Bus Communication Velocity and Firmware Compatibility
The power supply board delivers regulated multi-rail DC outputs across a 50-pin edge connector, feeding logic and control cards across the CNC backplane. By maintaining tight noise suppression and ripple filtering across the +5 VDC, +24 VDC, and +/-15 VDC lines, the module preserves signal integrity required for high-speed backplane bus communication velocity and firmware flash compatibility during intensive CNC machining routines.
Frequently Asked Questions
Q: How does the power supply unit indicate fault conditions during operation?
A: Diagnostic LEDs located on the board show individual DC output rail statuses, while an integrated relay contact provides a dry contact signal for remote monitoring of power supply health.
Q: Is this power supply card hot-swappable?
A: No. Input AC power (200-240 VAC) must be completely de-energized and verified at zero potential before inserting or removing the 50-pin edge connector from the backplane.
Field Installation Guidelines
- Isolate the main 200-240 VAC single-phase power supply and follow standard lockout/tagout procedures before touching electrical terminals.
- Align the 4-layer PCB with the chassis card guides and push firmly to fully seat the 50-pin edge connector into the CNC backplane.
- Ensure adequate vertical clearance around the board to facilitate natural convection cooling across the transistor heat sink assembly.
- Connect the remote health monitoring relay outputs to the designated control circuit and verify solid chassis frame grounding.
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Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
Reliable Partner for Original Parts
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
Trusted Source for Industrial Automation Spares
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson