Description

Not for real photos. All pictures are for reference only.

Product Overview

The VM-751B2 is an AC-fed rack power supply unit for the Shinkawa VM‑7 turbine supervisory and machinery protection platform, compliant with API 670. It converts universal AC mains into stabilized multi-rail DC power (+5 V, ±15 V) for all monitor, relay and communication modules inside the VM‑761B rack. This B2 variant supports redundant parallel installation, hot-swap replacement and a power-good relay output for rack health supervision. It is a critical spare for steam turbines, generators, centrifugal compressors and large rotating equipment in power, petrochemical and refinery sites.

Technical Specifications

• Brand: Shinkawa Electric
• Model: VM-751B2
• Warranty: One Year
• Condition: 100% New & Original
• Input/Output: 100–240 VAC universal input; regulated +5 V, ±15 V backplane outputs; one power‑OK relay contact
• Operating Temp: 0°C to +60°C
• Communication: No fieldbus; internal backplane power distribution
• Rated Power: 180 W
• Hot Swap: Yes
• Redundancy: Supports dual redundant PSU arrangement in the rack
• Indicator: Green “POWER OK” front LED
• Protection: Overvoltage, overcurrent, short-circuit, internal fuse protection
• Mounting: Front-load slot for VM‑761B 19-inch rack
• Compatible Modules: VM‑701B, VM‑703B, VM‑722B, VM‑742B and other VM‑7B series monitors
• Standards: API 670, CE
• Origin: Japan
• Lifecycle: Active spare for installed VM‑7 systems