MTL 8810‑HI‑TX

Product Name

MTL Intrinsically‑Safe Barrier

Product Introduction

MTL analog‑output intrinsic safety barrier installed in safe area. It limits voltage and energy delivered to explosion‑proof hazardous zones, prevents spark ignition risk and protects field explosion‑proof instruments.

Category:
Description

Technical Specifications

Power supply: 24VDC; 4‑20mA loop; Intrinsically‑safe explosion‑proof; Operating temperature: ‑20℃~+60℃; Ingress protection: IP20.

Functional Features

Energy limitation; Loop isolation; Analog signal transmission; Explosion‑proof protection; Fault loop protection.

Application Scenarios

Petroleum, chemical and pharmaceutical explosion‑proof workshops, hazardous‑zone 4‑20mA transmitters including pressure transmitters and flow transmitters.

Performance Parameters

Maximum output voltage and current comply with Group II explosion‑proof requirements; Signal accuracy: ±0.1%; Power consumption: 2W.

Material Composition

Flame‑retardant thermoplastic housing; Glass‑fiber PCB; Current‑limiting & voltage‑clamping protective components; Spring‑loaded wiring terminals.

Structural Characteristics

Narrow DIN‑rail modular design; Fast spring‑clamp wiring; Explosion‑proof marking printed on housing; Snap‑on mounting structure.

Working Principle

Current‑limiting and voltage‑clamping components restrict loop energy fed to hazardous field below ignition threshold for explosive gas, while transparently transmitting 4‑20mA analog signals.

Installation Requirements

DIN rail mounting on safe side of control cabinet; Use intrinsically‑safe certified field cables; Grounding system must comply with explosion‑proof specifications.

Precautions for Use

Match field instrument explosion‑proof parameters strictly; Do not install within hazardous area; Execute wiring under power‑off state; Do not modify internal components.

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