MTL 8920‑PS‑D

Product Name

MTL Safety‑Barrier System Power Supply Module

Product Introduction

Controlled power supply unit for safety‑barrier assemblies. DIN‑rail mounted inside control cabinet, it supplies isolated DC power for a bank of intrinsic safety barriers with built‑in fault protection functions.

Category:
Description

Technical Specifications

AC input: 85‑264V; Isolated 24VDC output; Operating temperature: ‑10℃~+60℃; Ingress protection: IP20.

Functional Features

Isolated DC power output; Overload & short‑circuit protection; Fault alarm output; Centralized power supply for multiple safety barriers.

Application Scenarios

Petrochemical DCS control cabinets, explosion‑proof plant control rooms, complete intrinsic safety barrier systems.

Performance Parameters

Isolated 24VDC output; Over‑current protection; Automatic lock‑and‑recovery under short‑circuit; Total power consumption varies with load.

Material Composition

Metal housing; PCB circuit board; Switch‑mode power semiconductor components; Wiring terminals.

Structural Characteristics

DIN‑rail mounting enclosure; Separated input‑output terminals; Status indicator lamps; Heat dissipation openings.

Working Principle

Converts AC input into isolated 24V DC via switch‑mode power circuit to feed safety‑barrier array. Internal circuit monitors output status and activates protection upon overload or short‑circuit condition.

Installation Requirements

DIN‑rail installation in control cabinet; Ensure ventilation and heat dissipation; Protective ground connection for input side; Do not exceed rated load capacity.

Precautions for Use

Prohibit overload operation; Periodically check tightening status of input wiring; Keep cabinet well‑ventilated; Forbid deployment within hazardous areas.

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