Description
1. Product Title
DEIF PSM-1 – Power Supply Module for DELOMATIC-3 & Generator Control Systems
2. Product Overview
The DEIF PSM-1 (Power Supply Module) is a critical power distribution and conditioning unit designed specifically for DEIF’s advanced generator control and protection architectures, most notably the DELOMATIC-3 series. Engineered to provide stable and isolated DC voltage to sensitive control electronics, synchronization modules, and protection relays, this module ensures uninterrupted operation of marine and industrial power management systems. By converting incoming AC or DC auxiliary power into regulated outputs, the PSM-1 mitigates the risks of voltage sags, transients, and electrical noise that could otherwise cause erroneous tripping or control failures in generator paralleling and load sharing applications. Its robust design adheres to strict marine standards, making it an essential component for maintaining system integrity in dynamic positioning vessels, offshore platforms, and land-based power plants.
3. Technical Specifications
- Brand: DEIF A/S (Denmark)
- Model: PSM-1 (Also referenced as PSM1)
- Associated Part Numbers: 1044220060E, 1044220060F
- Product Series: DELOMATIC-3 / Generator Protection & Control
- Warranty: One Year
- Condition: 100% New & Original
- Primary Function: Regulated Power Supply & Distribution for Control Modules
- Input Voltage: Typically 110VAC / 230VAC or 24VDC / 48VDC (Variant dependent, check specific label)
- Output Voltage: Stabilized 24VDC (Standard for DEIF control logic)
- Output Current: Rated for typical control loads (e.g., 2A – 5A range depending on configuration)
- Protection Features: Short-circuit protection, Over-voltage protection, Thermal shutdown
- Isolation: Galvanic isolation between input and output circuits to prevent ground loops
- Mounting: DIN Rail Mount (Standard 35mm) or Chassis Mount
- Operating Temperature: -20°C to +60°C
- Humidity: 5% to 95% Non-condensing
- Certifications: DNV-GL, ABS, LR (Marine approvals typical for DELOMATIC components)
4. Key Features & Benefits
- Stable Voltage Regulation: The PSM-1 delivers highly regulated DC output even during significant input voltage fluctuations, ensuring that connected synchronization check modules (like SCM-1) and protection relays operate with maximum accuracy and reliability.
- Electrical Isolation & Noise Immunity: Featuring robust galvanic isolation, this module effectively decouples sensitive control electronics from noisy main power sources, preventing electromagnetic interference (EMI) from causing false alarms or unintended breaker operations in critical power systems.
- Integrated Safety Protections: Equipped with comprehensive internal protection mechanisms including short-circuit current limiting and thermal overload shutdown, the unit safeguards itself and downstream equipment, reducing maintenance costs and enhancing overall system availability in harsh marine environments.
5. Application Scenarios
- Marine Vessel Power Plants: Installed in the main switchboard of commercial ships and offshore rigs to power the DELOMATIC-3 control system, ensuring reliable generator synchronization and load sharing during dynamic positioning and heavy maneuvering.
- Industrial Co-Generation Facilities: Utilized in factory power stations where multiple generators must be paralleled seamlessly; the module provides clean power to the control logic that manages bus tie breakers and frequency governing.
- Emergency Power Supply Systems (EPSS): Deployed in data centers and hospitals to support automatic transfer switches (ATS) and generator start sequences, guaranteeing that control circuits remain energized and functional during utility grid failures.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the DEIF PSM-1?
- A: Its primary function is to convert and regulate incoming auxiliary power (AC or DC) into a stable 24VDC supply required to operate DEIF generator control and protection modules, such as those in the DELOMATIC-3 series.
- Q: Is the PSM-1 compatible with older DEIF systems?
- A: The PSM-1 is primarily designed for the DELOMATIC-3 architecture. While it may physically fit older racks, compatibility depends on specific voltage requirements and connector pin-outs; it is recommended for use with modern DEIF protection and synchronization units to ensure optimal performance.
DEIF SCM-1
- A: The PSM-1 is primarily designed for the DELOMATIC-3 architecture. While it may physically fit older racks, compatibility depends on specific voltage requirements and connector pin-outs; it is recommended for use with modern DEIF protection and synchronization units to ensure optimal performance.











