ABB Jokab to Sentry Safety Relay Conversion Table

This document provides a comprehensive conversion table for replacing older ABB Jokab safety relays (models JSBR4, JSBT, JSHT, JSR1T, JSR3T, and others) with the newer ABB Sentry relay range. It also outlines the benefits of the Sentry range, including reduced stock, higher timer accuracy, wider timer intervals, higher output current, smaller size, multi-voltage capability, and new functions like error display and multi-reset.