Product Details
The Honeywell 51199406-100, also cataloged as the 51199406-100 Power Distribution Subsystem, operates as a dedicated hardware component for regulated 24 VDC output power delivery within Honeywell Series C Distributed Control Systems. It converts an AC input of 100-240 VAC into a stabilized 24 VDC bus output delivering up to 15 A to power downstream controllers, I/O modules, and system peripherals.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51199406-100 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.56 kg |
| Dimensions | 3 cm x 31.3 cm x 27.8 cm |
| Operating Temp | -20 to 70 deg C |
| Power Consumption | 100-240 VAC Input (Greater than 90% efficiency) |
| Output Voltage / Current | Regulated 24 VDC / Up to 15 A |
| Safety Features | Overvoltage, overcurrent, short-circuit protection |
| System Compatibility | Honeywell Series C DCS |
4-20 mA HART Loop Protocol & Power Isolation
The 51199406-100 provides internal galvanic isolation barriers and switching regulation to suppress common-mode noise and prevent power line ripple from feeding into field termination assemblies. Maintaining an operating efficiency greater than 90% minimizes heat dissipation within closed control cabinets. This stabilized 24 VDC output rail ensures stable power to analog input and output circuits executing 4-20 mA HART loop protocol communications without signal degradation.
Frequently Asked Questions
Q: Does the 51199406-100 module support live insertion or replacement within a Series C cabinet?
A: Physical insertion or removal must be executed only after isolating primary AC power to the unit unless installed in a validated redundant power bus configuration.
Q: How does the 51199406-100 respond to output short-circuit conditions?
A: Integrated protective circuits automatically trigger overcurrent and short-circuit shutdown modes to prevent internal component damage, restoring output power once the field fault is cleared.
Field Installation Guidelines
- Isolate and lock out incoming 100-240 VAC lines before wiring power conductors to the module terminals.
- Mount the 0.56 kg module securely within the Series C cabinet chassis using standard retention hardware to maintain structural ground bonding.
- Wire field DC power connections using properly sized cabling to accommodate the maximum 15 A current load without excessive voltage drop.
- Verify low resistance between the module earth terminal and cabinet primary grounding bar prior to energizing the AC line input.
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.
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- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.





























