Introduction
This document provides technical specifications and features of a circuit device designed by Kroma mec S.r.l. for detecting open or short circuits. The device is suitable for use in hazardous areas as indicated by its ATEX certification.

Specifications

• ATEX Certification: Ex mb IIC Gb II2GD for zones 1 and 2; Ex mb IIIC Db II2GD for zones 21 and 22.
• Ambient Temperature Range: -20°C to +60°C for general use; -40°C to +60°C for special ATEX conditions.
• Ingress Protection: IP6X.
• Electrical Characteristics: Feeding voltage ranges from 12 to 240 Vac/dc with a maximum rated power of 4W.

Features

• The device is encapsulated in an enclosure with conductors for incoming and outgoing connections.
• Connections can be made via tin-welded and encapsulated conductors or encapsulated terminals.
• It includes different circuit configurations such as resistance (CBR), resistance//resistance (CBRR), and diode//resistance (CBDR).

Application Example
In fault conditions, the circuit behaves as an open circuit, ensuring safety and reliability in hazardous environments.

Contact Information
Kroma mec S.r.l., Via dell’Informatica 22, 20083 Gaggiano (MI), Italy. Tel: +39-029081760, Fax: +39-029081791, Email: [email protected], Website: www.kromamec.it