Product Details
The ABB 1MRK002246-BB, also cataloged as the 1MRK002246-BB Power Supply Board, operates as a dedicated hardware component for auxiliary AC-to-DC power conversion within ABB control and protection platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1MRK002246-BB |
| Brand | ABB |
| Weight | Approximately 1.52 kg |
| Dimensions | 74 mm x 370 mm x 361 mm |
| Operating Temp | -25 to +70 deg C (Standard Industrial Range) |
| Power Consumption | Self-Consuming Power Conversion Assembly |
| Input Voltage | 100-240 VAC |
| Output Voltage | 24 VDC |
| Output Current | Up to 40 A |
| Efficiency | Up to 90% |
Backplane Bus Communication Velocity & I/O Density Scaling
The power supply board steps down wide-range AC mains inputs (100-240 VAC) to a regulated 24 VDC bus output capable of delivering currents up to 40 A at 90% power conversion efficiency. Maintaining voltage bus stability under fluctuating AC primary power ensures high backplane bus communication velocity and continuous logic execution during maximum I/O density scaling. Integrated voltage clamping maintains firmware flash compatibility across backplane processors, preventing processor reset cycles caused by line transient dips.
Frequently Asked Questions
Q: What is the primary output power capacity of the 1MRK002246-BB board?
A: The board provides a regulated 24 VDC output supplying continuous current up to 40 A.
Q: Does the 1MRK002246-BB power supply support universal AC mains input ranges?
A: Yes, the onboard conversion circuit accepts an AC input voltage range from 100 VAC to 240 VAC.
Field Installation Guidelines
- Isolate all AC primary mains feeders before mounting or removing the power supply card from the enclosure frame.
- Ensure protective earth grounding terminal connections are fully secured to prevent high-voltage transient coupling.
- Allow sufficient vertical clearance around chassis cooling vents to permit passive convection heat dissipation during full 40 A load operations.
- Torque module terminal screws to specified engineering limits to prevent loose connections under mechanical vibration.
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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Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.