Description
🔹 Product Introduction
The Honeywell JS-PSRB01 is a power system assembly associated with the Honeywell Cherokee control platform. The assembly incorporates an ACX643 Rev C power supply, part number 51109684-200, and is designed to provide power distribution for compatible industrial control system components.
The ACX643 power supply accepts 100–240 VAC, 50/60 Hz, 12 A AC input and provides a total rated output of approximately 550 W. Its listed outputs include 24 V at 20 A, 54 V at 1 A, and 6 V at 35 mA. The assembly also includes a power-system backplane, power-system cage and related internal components.
This unit is particularly useful for maintenance, replacement and refurbishment of legacy Honeywell industrial automation and control systems where the original Cherokee power architecture is still in service.
📋 Product Datasheet
| Parameter | Value |
|---|---|
| Brand | Honeywell |
| Model | JS-PSRB01 |
| Series | Cherokee / ACX Power System |
| Product Name | Power System Assembly |
| Part Number | 51109684-200 |
| Place of Origin | USA / assembly versions may vary |
| Condition / Status | Used / Pre-Owned |
| Dimensions | Approx. 19-inch rack-style assembly; verify actual unit before installation |
| Weight | Approx. 23.9–24.35 kg |
| Power | 100–240 VAC, 50/60 Hz, 12 A AC; 550 W output |
⚙️ Technical Features
🔹 ACX643 Power Supply — The JS-PSRB01 assembly incorporates an ACX643 Rev C power supply identified by P/N 51109684-200.
🔹 Wide AC Input — The ACX643 accepts 100–240 VAC at 50/60 Hz, making it suitable for compatible industrial power-system configurations.
🔹 550 W Output Capacity — The listed ACX643 output rating is 550 W.
🔹 Multiple Output Rails — Available output specifications include 24 VDC at 20 A, 54 VDC at 1 A and 6 V at 35 mA.
🔹 Integrated Power Architecture — The assembly is associated with a power-system backplane and power-system cage, allowing the power supply to operate as part of the complete Cherokee system.
🔹 Legacy System Replacement — A suitable option for maintaining existing Honeywell Cherokee installations where an original power-system assembly is required.
🏭 Typical Applications
The JS-PSRB01 can be used for:
• Honeywell industrial control systems
• Cherokee control-system power distribution
• Process automation equipment
• Industrial plant control cabinets
• Legacy automation system maintenance
• Replacement of failed or aging power-system assemblies
• Control-system refurbishment and spare-parts inventory
❓ Common Questions & Answers
Q: What is Honeywell JS-PSRB01?
A: JS-PSRB01 is a Honeywell Cherokee power system assembly. It incorporates an ACX643 power supply and associated power-system hardware.
Q: What is the ACX643 part number?
A: The ACX643 power supply in this assembly is identified as 51109684-200, Rev C.
Q: What is the input voltage?
A: The ACX643 is specified for 100–240 VAC, 50/60 Hz, with a listed input current of 12 A AC.
Q: What is the power output?
A: The listed output capacity is 550 W, with output rails including 24 V at 20 A, 54 V at 1 A and 6 V at 35 mA.
Q: Is JS-PSRB01 the same as ACX643?
A: No. JS-PSRB01 identifies the overall power-system assembly, while ACX643 Rev C identifies the power-supply unit incorporated into the assembly.
Q: What is the approximate weight?
A: Listings for this assembly report approximately 23.9–24.35 kg, depending on the exact configuration and included components.
Q: Can it be used as a replacement part?
A: It can be considered for replacement when the existing system specifically requires JS-PSRB01/ACX643 P/N 51109684-200. Verify the complete part number, revision, connectors and system configuration before installation.
Q: What should be checked before installation?
A: Confirm the model number, ACX643 revision, part number, input voltage, output requirements, connectors and backplane configuration. The system should be completely de-energized before replacement work.
🔧 Installation & Maintenance
Before installation, compare the replacement unit with the existing JS-PSRB01 assembly and verify 51109684-200 Rev C and the ACX643 identification.
Inspect power connectors, wiring, backplane connections and visible PCB components for damage or corrosion.
Confirm that the incoming AC supply matches the specified voltage range and frequency before energizing the system.
After installation, verify the output rails and system power status before reconnecting the control-system load. For critical industrial applications, commissioning should be performed by qualified personnel following the plant’s electrical safety procedures.
⭐ Recommended Honeywell Models
- Honeywell ACX631
- Honeywell ACX633
- Honeywell ACX643
- Honeywell ACX704
- Honeywell SPS5785
- Honeywell 51196655-100
- Honeywell 51198651-100
- Honeywell 51401216-100
- Honeywell 51401166-100
- Honeywell 51401216-100 Rev D
