Lens sensor and optical fiber for arc protection - Arc protection - Merging unit - Transformer protection - 2 winding - Product Guide - RET615 Transformer Protection and Control - Relion 615 series - 5.0 FP1 IEC - IEC - 04.04.2023

RET615 Product Guide

Table 1. Lens sensor and optical fiber for arc protection
Description Value
Fiber optic cable including lens 1.5 m, 3.0 m or 5.0 m
Normal service temperature range of the lens -40...+100°C
Maximum service temperature range of the lens, max 1 h +140°C
Minimum permissible bending radius of the connection fiber 100 mm