Description
The General Electric (GE Zenith) CPS 50P-1228A (Part Number: 150043581, Rev: 6) is a dedicated Controller Power Supply (CPS) box engineered specifically for GE Zenith automatic transfer switches (ATS) operating at 380-400V. This power module and control enclosure acts as a crucial interface, regulating and distributing reliable power to controller boards (such as the MX150 and MX250 controller series) to ensure seamless, uninterrupted power transfer switching in commercial and industrial environments.
📊 Technical Specifications
| Parameter | Specification Value |
| Brand | GE Zenith (General Electric) |
| Model | 50P-1228A |
| Part Number / ID | 150043581 (Rev: 6) |
| Series | Zenith MX150 / MX250 ATS Controller Power Supply (CPS Box) |
| Product Name | 380-400V Power Supply Module |
| Manufacturing Status | Mature / Industrial Power Switchgear Spare Part |
| Dimensions | Standard ATS enclosure-mounted module profile |
| Weight | Approx. 2.5 kg to 4.5 kg |
| Country of Origin | United States |
| Input Voltage Rating | 380V to 400V AC System Power |
🛠️ Operation Guidelines & Installation
Installation, wiring, and servicing must be performed strictly by qualified electrical technicians or licensed switchgear specialists. Prior to handling the CPS box or making wiring modifications, ensure that all main utility sources, generator feeds, and internal ATS power lines are completely isolated, locked out, and de-energized to prevent severe electrical shock hazards. Secure the power module unit firmly inside the designated transfer switch enclosure cabinet, and verify that all grounding connections are correctly fastened.
🔌 Power-Up and Power-Down Sequence
Verify that all internal wiring harnesses, sensing lines, and plug-in connectors linked to the ATS controller are securely seated before applying power. Energize the main system lines to supply the 380-400V input voltage to the CPS module, allowing it to step down and regulate power for the digital controller logic. Observe the controller display and status LEDs to confirm normal startup. For system shutdown, isolate the primary power inputs and emergency feeds before servicing internal components.
📝 Product Usage Instructions
This power module is designed to provide stable, isolated operating voltages to the automatic transfer switch controller architecture. Routinely inspect the internal fuses, terminal screws, and wiring insulation for signs of thermal stress, dust accumulation, or looseness caused by switchgear vibration. Ensure that the cabinet environment remains clean, dry, and within specified operating temperature ranges to preserve component lifespan.
❓ Common Questions (Q&A)
Q: What indicates a failure in the CPS power module?
A: A complete loss of power or failure to boot on the MX150/MX250 digital controller interface typically points to an issue with the CPS box or its input fuses.
Q: Can a 380-400V CPS module be used on a 480V system?
A: No. You must use the specific part number corresponding to your system voltage; for instance, model 50P-1230A is rated for 460-480V systems.
Q: Does this module require firmware programming?
A: No, the CPS box is a dedicated hardware power supply and voltage regulation module, meaning it does not contain programmable user logic or software.
🚀 Recommended Related Models
- GE Zenith 50P-1224 (120V Controller Power Supply)
- GE Zenith 50P-1225 (208-220V Controller Power Supply)
- GE Zenith 50P-1226 (230-240V Controller Power Supply)
- GE Zenith 50P-1227 (277V Controller Power Supply)
- GE Zenith 50P-1229 (416-440V Controller Power Supply)
- GE Zenith 50P-1230A (460-480V Controller Power Supply)
- GE Zenith 50P-1231 (575-600V Controller Power Supply)
- GE Zenith MX150 ATS System Controller Board
- GE Zenith MX250 Transfer Switch Controller
- GE Zenith ZTS Series Automatic Transfer Switch Assembly
