Product Details
The ABB 1VCR000993G0002, also cataloged as the 1VCR000993G0002 Power Supply Board, operates as a dedicated hardware component for auxiliary DC power conversion and regulated current delivery within ABB industrial automation platforms. The board converts an 85-264 V AC wide-range input into a stable 24 V DC output rail at up to 41.67 A continuous load, supplying internal electronic sub-assemblies and field loops across control cabinet backplanes.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1VCR000993G0002 |
| Brand | ABB |
| Product Type | Power Supply Board |
| Input Voltage Range | 85-264 V AC |
| Output Voltage | 24 V DC |
| Output Current | 41.67 A |
| Power Supply Capacity | 1000 W |
| Efficiency Rating | 96% |
| IP Rating | IP20 |
| Dimensions | 2.2 cm x 12.4 cm x 12.6 cm |
| Weight | 0.1 kg |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | Self-dissipation calculated from 96% efficiency conversion loss |
| Origin | Global Manufacturing Facilities |
Deterministic Power Delivery & Firmware Flash Compatibility
The 1VCR000993G0002 power supply board stabilizes DC output rails to maintain backplane bus communication velocity during main line AC transients. Operating at 96% efficiency, the unit minimizes thermal output inside dense racks, supporting scaling of downstream I/O modules without thermal derating. Firm integration with system hardware maintains voltage integrity during CPU memory writes, ensuring uncorrupted execution of firmware flash operations and real-time processing cycles.
Frequently Asked Questions
Q: Can the 1VCR000993G0002 board be hot-swapped while the AC input line is energized?
A: No. AC input power must be isolated and secondary DC filter capacitors allowed to fully discharge prior to board insertion or removal to prevent terminal arcing and electrical damage.
Q: How does the power supply handle brief AC line voltage drops?
A: The board features internal hold-up capacitance that sustains the 24 V DC output rail within operating limits during short-duration line voltage sags down to the minimum 85 V AC threshold.
Q: What grounding procedure is required for the IP20 chassis frame?
A: The mounting grounding contacts must be bonded directly to the enclosure DIN-rail or backplate ground bus via a low-impedance conductor to ensure safety and transient bypass.
Field Installation Guidelines
Follow these technical procedures during field installation and cabinet assembly:
- Electrical Isolation: De-energize the incoming 85-264 V AC line feeder. Verify the absence of voltage on the terminal connections using a calibrated voltmeter before touching conductors.
- Electrostatic Precautions: Wear a grounded ESD wrist strap when handling the board to prevent electrostatic discharge to sensitive surface-mount power control ICs.
- Mechanical Mounting: Secure the board firmly inside the chassis frame using designated mounting points. Ensure adequate clear space above and below the board to permit natural convective cooling.
- Cable Connection: Torque all AC input and DC output screw terminals to recommended tightness limits to prevent localized overheating under high-current (41.67 A) continuous operation.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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