Description

The SCHROFF MPS015 is a high-reliability, switched-mode 19″ rack AC/DC power supply module engineered for VMEbus and subrack applications. Designed to provide stable multi-output voltages with minimal noise and ripple, the SCHROFF MPS015 ensures dependable power for critical electronic systems often deployed in industrial automation, telecommunications, and data acquisition environments . As part of Schroff’s robust MPS series, the SCHROFF MPS015 features active Power Factor Correction (PFC), hot-swap capability, and compatibility with redundancy bus configurations—making it a premium choice where uninterrupted power and serviceability are essential.

Rated for an input range of 90–264 VAC (or 130–350 VDC), the SCHROFF MPS015 supports rack heights of 6U and widths of 8 HP, delivering an output power of up to 150 W across its triple-voltage rails: +5 V, +12 V, and –12 V . The module’s robust design includes VMEbus signalling and status feedback (“Output OK”) features, enabling seamless integration into modern chassis-based systems. With its compact footprint (171.9 mm deep) and front-panel connectors, the SCHROFF MPS015 provides a versatile, modular power solution tailored to demanding industrial and embedded computing infrastructures.

Technical Specifications

Parameter Name	Parameter Value
Product Model	MPS015
Manufacturer	SCHROFF (nVent)
Product Type	19″ AC/DC SwitchedMode Power Supply Module
Input Voltage	90–264 VAC / 130–350 VDC
Power Output	150 W total (V2 + V3 = 60 W)
Outputs	V1: +5 V @ 20 A; V2: +12 V @ 4 A; V3: –12 V @ 3 A
Efficiency / PFC \| Active PFC; efficiency ~80 %
Dimensions \| Depth: 171.93 mm; Height: 6 U; Width: 8 HP
Cooling \| Conduction with front-panel airflow options
Hot-Swap/Redundancy \| Current-share bus + decoupling diode support
Signalling \| VMEbus signalling, “Output OK” signal
Operating Temp \| 0 °C to +40 °C (specified), –20 °C to +70 °C typical

Main Features and Advantages

The SCHROFF MPS015 blends powerful performance with service-friendly design. Featuring an extensive input voltage range and active PFC, it ensures efficient operation while meeting demanding power quality and compliance standards. The multi-output architecture—+5 V, +12 V, and –12 V—supports a wide range of subrack modules, legacy VME systems, and embedded controllers.

Hot-swap capability and a current-share bus enable live replacement and parallel operation in redundant power configurations, minimizing system downtime in critical applications. VMEbus status signalling and the “Output OK” line provide real-time power health monitoring, which enhances system software’s ability to detect failures early. The compact 6 U/8 HP form factor optimizes subrack space, while the standardized H15 connectors and EMC front-panel design simplify installation and ensure electromagnetic compatibility.

Robust build quality, including rugged components and precision voltage regulation, ensures long-term reliability in industrial or telecom environments. Additionally, it aligns with Schroff’s modular MPS series, offering a scalable platform for future upgrades—a major competitive edge for long lifecycle projects.

Application Field

The SCHROFF MPS015 is ideal across a spectrum of demanding applications. In telecommunications and data centers, it powers VMEbus-based switch cards, signal processors, and communication modules with uninterrupted power. Industrial automation systems benefit from its stable multi-output voltages, ensuring precise operation of control cards, I/O modules, and embedded industrial PCs.

It also serves well in defense and aerospace test racks, where its hot-swap redundancy and rugged build support mission-critical operations. In scientific instrumentation—such as particle detectors, lab automation, or measurement systems—the SCHROFF MPS015 offers clean, low-noise power essential for sensitive electronics. Wherever modular 19″ subrack systems demand compact, reliable, and easily serviceable power, the SCHROFF MPS015 excels.

Related Products

MPS022 – Similar unit with higher output capacity (224 W) in 12 HP width.

MPS022/15 – +15 V output variant suited for legacy subsystems.

maxpower 180 W (13100150) – Enhanced single-voltage output in 8 HP format for high-load needs.

MAX50 – 50 W single-output version; compact 6 HP alternative.

PSM312 – Triple-output coolpower DC/DC converter for lower voltage environments.

SPG124 – 12 HP triple-output power supply with improved efficiency.

DI810 – Companion digital input module used in Schroff power systems.

H15 Connector Kit – Keying and front-panel assembly for connector customization.

EMC Shielding Kit – Front-panel accessory to enhance electromagnetic compliance.

Installation and Maintenance

Pre-installation preparation: Ensure your cabinet provides sufficient space for the MPS015, including its 6 U height and 171.9 mm depth. Confirm compatibility of the 90–264 VAC or 130–350 VDC supply rails. Install front-panel shielding kits to meet EMC requirements and use standardized H15 connectors for reliable mating. Align modules correctly on the subrack’s current-share bus and secure them with handles to facilitate hot-swap operations.

Maintenance recommendations: Monitor the “Output OK” line on the MPS015 through the VMEbus interface to receive early fault alerts. Periodically inspect front-panel connections and airflow passages for dust buildup. In redundant configurations, verify that the current-share bus is functioning and that decoupling diodes engage properly upon unit failure. Replace modules proactively if output voltages drift beyond ±2 %. Ensure firmware and system software logs support fault diagnostics and maintenance planning.