This document provides operating instructions and technical data for the Hellmuth electronics ZHEVW two-hand relay (Zweihandrelais). The device is intended for use as a safety switch in industrial machinery, specifically where compliance with DIN EN 574 requirements is necessary. It features two push buttons that must be actuated simultaneously within 0.5 seconds to generate an output signal. This manual is written in German.
| Max. Switching Power (DC) | 24V DC 0.5A/12 Watt |
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No, the use of a two-hand relay type ZHEVV is not permitted for presses according to these standards.
The minimum safety distance S is calculated using the formula S = K x T + C, where K=1600 mm/s and C=250mm.