Overview
The Honeywell 51198947-100K, also cataloged as the MC-PSRX04 power supply, provides regulated electrical power for Honeywell industrial control hardware. The unit accepts a 115 V AC input and has specified output current ratings of 20 A, 1 A, and 0.035 A, with a total output power rating of 0.565 kW.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | MC-PSRX04 |
| Part Number | 51198947-100K |
| Brand | Honeywell |
| Product Type | Power Supply |
| Origin | Not specified in supplied data |
| Input Voltage | 115 V AC |
| Output Current | 20 A, 1 A, 0.035 A |
| Output Power Rating | 0.565 kW |
| Weight | Not specified in supplied data |
| Dimensions | Not specified in supplied data |
| Operating Temp | Not specified in supplied data |
| Power Consumption | Not specified; output power rating is 0.565 kW |
| System Association | Honeywell industrial control systems |
| Installation Format | Control system hardware; exact mounting arrangement requires applicable hardware documentation |
Honeywell DCS Power Distribution Characteristics
The MC-PSRX04 is specified with a 115 V AC input and multiple output current ratings. Therefore, installation should preserve the manufacturer’s designated input and output circuit assignments.
For Honeywell DCS installations, power distribution should remain electrically separated from 4-20 mA HART signal wiring and other low-level instrumentation circuits. In addition, field wiring should maintain physical separation from AC input conductors to reduce conducted and radiated interference.
The supplied data does not identify individual output voltages or terminal assignments. Consequently, technicians should use the applicable Honeywell hardware documentation before connecting individual output circuits.
Frequently Asked Questions
Q: What input voltage does the Honeywell MC-PSRX04 use?
A: The supplied specification identifies a 115 V AC input.
Q: What output current ratings are specified for the 51198947-100K?
A: The supplied data lists output current ratings of 20 A, 1 A, and 0.035 A. It does not define the corresponding output voltages.
Q: Is the exact operating temperature specified for this power supply?
A: No. The supplied information does not provide a specific operating temperature range. The applicable Honeywell hardware documentation should be consulted before installation.
Field Installation Guidelines
- Verify the complete part number as 51198947-100K before installation.
- Confirm that the incoming supply is compatible with the specified 115 V AC input.
- Identify every output terminal from the applicable Honeywell wiring documentation before applying power.
- Do not infer output voltage from the listed current ratings.
- Route AC input wiring separately from low-level analog, communication, and instrumentation wiring.
- Apply protective earthing and enclosure bonding according to the installation standard governing the control cabinet.
- Inspect terminal connections for correct polarity, conductor seating, and mechanical retention before energizing the unit.
- After installation, verify output conditions against the approved Honeywell system documentation before connecting downstream equipment.

















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