Technical Specifications

FAQ

1. What is the main function of the ABB Bailey PHARPS00010000?
PHARPS00010000 is a power supply module used in the ABB Bailey Modular Power System III (MPS III) architecture. It converts the available AC or DC input power into a regulated 125 V DC output at up to 2.3 A, providing power for compatible Harmony/INFI 90 control-system power arrangements. It is designed as a rack-mounted power-system component rather than as a standalone general-purpose power supply.

2. What input voltage can the PHARPS00010000 accept?
The module is specified for 102–265 V AC or 102–270 V DC input. The maximum input current is specified as 12.5 A. When integrating the module into an existing Bailey power system, the incoming power source, power-entry equipment, wiring, protection devices, and chassis configuration should all be checked to ensure they match the intended installation.

3. What output does the PHARPS00010000 provide?
The PHARPS00010000 provides a 125 V DC output at 2.3 A, corresponding to approximately 287.5 W of nominal output power. This output is intended for the compatible ABB Bailey Harmony rack power architecture. The connected load should remain within the specified current capability, and the overall power-system configuration should be considered when determining available capacity.

4. Which ABB Bailey systems are associated with the PHARPS00010000?
The PHARPS00010000 is associated with the ABB Bailey INFI 90 and Harmony control-system families and forms part of the Modular Power System III architecture. It is installed within the dedicated power-supply chassis and works together with the associated power-entry and rack power components. Compatibility should be checked against the complete chassis and power-system configuration rather than the power module alone.

5. What should be checked if the PHARPS00010000 has no output voltage?
Start by verifying the incoming AC or DC supply and the condition of the upstream power-entry equipment. Then check the module seating, chassis connections, connectors, and system power-distribution path. If the input voltage is present but the expected 125 V DC output is absent, check the power-system status and inspect the module for signs of failure. Testing should be performed using appropriate electrical safety procedures because the module operates with hazardous input voltages.

6. What can cause unstable or low output voltage from the PHARPS00010000?
Possible causes include an unstable input supply, excessive connected load, poor chassis or connector contact, power-distribution problems, or an internal power-module fault. Troubleshooting should begin by measuring the input voltage and confirming that it remains within the specified range. The output should then be checked under the actual system load. If the input is stable but the output remains outside the expected range, the module and associated power-system components should be investigated.

7. What safety and environmental requirements apply to the PHARPS00010000?
The module is specified for an operating temperature range of 0–70 °C and is associated with industrial certifications including CSA, UL, TUV, CE, and FM Class I, Division 2, Groups A, B, C, D, T4. Installation should be performed inside the appropriate Bailey power-system chassis and according to the applicable electrical and hazardous-area requirements. Proper grounding, isolation, and power-entry protection are important during installation and maintenance.

8. What should be verified after replacing the PHARPS00010000?
After replacement, confirm that the module is the correct PHARPS00010000 version and is correctly seated in the designated power-supply chassis. Verify the incoming supply, module connections, and power-distribution wiring before energizing the system. After startup, measure the DC output and confirm that the connected control-system equipment receives stable power. System alarms and diagnostics should also be checked to ensure that no new power-supply or rack-level faults have been introduced.