Pepperl+Fuchs Zener Barrier Instruction Manual

About this manual

The Pepperl+Fuchs Zener Barrier instruction manual provides detailed guidance for the safe installation, commissioning, operation, and maintenance of Zener Barrier devices (models Z715.F, Z728.F, Z728.H.F, Z765.F, Z779.F, Z779.H.F, Z787.F, Z787.H.F, Z828.H.F, Z865.F, Z879.F, Z879.H.F, Z887.F, Z887.H.F, Z960.F, Z961.F, Z966.F). It outlines the intended use in control and instrumentation technology for intrinsically safe circuits in hazardous areas, and specifies compliance with ATEX, IEC/EN 60079 series, and relevant protection levels.

Key sections cover mounting on a 35 mm DIN rail, cable and connection line requirements, protection level Gc (IP54), gas group compatibility (IIC, IIB, IIA), grounding, and procedures for delivery, transport, and disposal. The manual emphasizes that only trained personnel should perform installation and maintenance, and that any repair must involve replacement with an original Pepperl+Fuchs device.

What's inside

• Intended Use
• Mounting and Installation
• Requirements for Cables and Connection Lines
• Requirements for Usage as Associated Apparatus
• Requirements for Equipment Protection Level Gc
• Operation, Maintenance, Repair
• Delivery, Transport, Disposal

Specifications

Frequently asked questions

Can the Zener Barrier be installed in gas group IIC?

Yes, the device is approved for installation in gas groups IIC, IIB, and IIA.

What mounting method is required for the Zener Barrier?

It must be mounted on a 35 mm DIN rail according to EN 60715.

What is the maximum reduced capacitance allowed for gas group IIC?

The maximum reduced capacitance for gas group IIC is 600 nF, including cable.