Surge Voltage Protection Terminal Blocks- 2 Wire, For Control Circuits
ASI provides the users, DIN Rail surge protection terminal blocks for installations at lightning protection zone OB-2 and higher. These devices can be applied in protection for 2 single wires of balanced interfaces within measuring and controlling systems. Course and fine protection is included in every module. Three stage circuit protection is achieved by incorporating GDT (Gas Discharge Tube), MOV (Metal Oxide Varistor) and Transient Absorption Diodes. The modules are easily installed on 35 mm DIN Rail and support nominal voltages of 12 V, 24 V, 48 V and 110 V. These surge suppressors are built in accordance to IEC 61643-21:2000+A1: 2008 criteria. All these features are supplied to the user in a small, 6 mm wide module providing great use of space inside your panels/enclosures.
Catalog No. / Description
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4-20mA Surge Protector Terminal Block Protects 1 Analog Signal Line
For use in control circuits such as 0-20mA and 4-20mA
Provides protection for 1 4-20mA ground analog loop in accordance with IEC 61643-21:2000+A1:2008.
Ideal for applications with high level of switching on and off
Three stage, GDT-MOV-Transient Absorption Diode, protection circuit.