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MTL MTL7729P+ Isolator | 2-Way, Passive, 4-20mA, for 2-Wire Transmitter, Hazardous Area

MTL MTL7729P+ Isolator | 2-Way, Passive, 4-20mA, for 2-Wire Transmitter, Hazardous Area

Brand Name MTL
Model Number MTL7729P+
Certification ATEX
Place of Origin IN
Minimum Order Quantity 1
Price Negotiable
Payment Terms T/T,XT,ALIPAY
Supply Ability 100pcs per month
Delivery Time Negotiable
Packaging Details carton
Power Supply 1
Ambient Temperature -
Electrical Rating G
Certifications S
Detailed Product Description

MTL MTL7729P+ Isolator | 2-Way, Passive, 4-20mA, for 2-Wire Transmitter, Hazardous Area

MTL MTL7729P+ signal isolator specifications. Passive isolator, 4-20mA, 2-wire transmitter, loop-powered, IS barrier.

Product Overview

The MTL MTL7729P+ is a passive, 2-way isolating signal conditioner designed for use with 2-wire (loop-powered) transmitters in hazardous areas. It provides galvanic isolation between the field (intrinsically safe) circuit and the safe-area control system. Operating without a separate power supply, it is powered directly from the 4-20mA loop, making it a simple, cost-effective solution for providing intrinsic safety (IS) barriers and signal conditioning.

Technical Specifications (Isolator)

Parameter

Specification

Manufacturer

MTL (MTL Instruments Group, part of Cooper Industries)

Series

7700+ (Signal Conditioners)

Model

MTL7729P+

Product Type

Passive 2-Way Isolator (Loop-Powered)

Input

4-20 mA from 2-wire transmitter (Intrinsically Safe)

Output

4-20 mA to safe area (repeats input)

Power Supply

Loop-powered (from input signal)

Electrical Isolation

2-way (input to output)

Intrinsic Safety Approval

Yes (for Ex i field devices)

Technical Specifications (Electrical/Mechanical)

Parameter

Specification

Input Voltage Drop

Typically ≤ 3.5V

Output Load

≤ 750 Ω (at 20 mA)

Linearity Error

≤ ±0.1% of span

Connection

Screw terminals

Mounting

DIN Rail 35 mm

Housing Material

Plastic (PBT)

Operating Temperature

-20 to 60°C (-4 to 140°F)

Hazardous Area Approval

ATEX, IECEx, FM (for Ex ia IIC)

Protection Rating

IP20

Certifications

CE, cULus

Key Features

  • Passive Operation:​ No auxiliary power required; powered from the 4-20mA loop

  • Intrinsic Safety Barrier:​ Provides galvanic isolation and energy limitation for field devices

  • 2-Way Isolation:​ Protects the control system from field-side disturbances

  • Loop-Powered:​ Simplifies installation and reduces wiring costs

  • High Accuracy:​ Excellent signal fidelity for precise measurement

  • Compact DIN Rail Design:​ Saves space in control panels

  • Global Hazardous Area Certifications:​ Suitable for international installations

  • Reliable Performance:​ MTL proven technology for critical process applications

Applications

  • Providing intrinsic safety (IS) interface for 2-wire transmitters in hazardous areas

  • Isolating field instruments from control room equipment

  • Signal conditioning and ground loop elimination

  • General use in process control panels requiring IS barriers

About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL and EMERSON to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

Frequently Ask & Questions
Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

Product Tags: MTL isolator for 2-wire transmitter   Passive safety barrier 4-20mA   Hazardous area isolator with warranty  
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