AutomationDirect Offers Dold Safety Relay Devices

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LG5924 Series relays are single-channel E-stop relays designed to protect people and machines in applications with emergency stop buttons. Available with 24 VDC, 110 VAC, and 230 VAC coil voltages, the Category 2-rated relays are equipped with internal positive temperature coefficient resistor short circuit protection. Output configuration options include either two normally-open contacts, or three normally-open and one normally-closed contact. The normally-open contacts are safety contacts.

LG5925 Series relays are dual-channel E-stop/safety gate relays designed for applications with emergency stop buttons and safety gates. Available with 24 VAC/DC, 110 VAC, and 230 VAC coil voltages, the Category 4-rated relays are equipped with internal positive temperature coefficient resistor short circuit and voltage-dependent resistor overvoltage protection. Designed with three normally-open positive guided safety contacts and one normally-closed monitoring contact, LG5925 relays provide a feedback circuit to monitor external contactors used for reinforcement of contacts, and feature monitored manual restart.

The BH5928 Series relays are also designed for applications with emergency stops and safety gates. This dual-channel series provides one or two channels which can be monitored with the time delay function. Output configuration options include either three normally-open time delay positive guided safety contacts, or two instantaneous positive guided safety contacts and one normally-closed instantaneous monitoring contact. Three time delay options with potentiometer adjustment are available (depending on model) ranging from 0.1 to 30 seconds. The 24 VDC Category 4 relays are equipped with internal positive temperature coefficient resistor short circuit and voltage-dependent resistor overvoltage protection, and can be wired with or without cross-fail monitoring in the E-stop loop.

The BG5933 and BH5933 Series relays offer protection for applications with two-hand buttons or production machinery with dangerous closing movements. Available with 24 VAC/DC, 110 VAC, and 230 VAC coil voltages, the Category 4-rated relays are equipped with internal positive temperature coefficient resistor short circuit and voltage-dependent resistor overvoltage protection. These safety relays provide inputs for two pushbuttons, each with one normally-open and one normally-closed positive guided contact. Output configuration options include either two normally-open positive guided safety contacts and one normally-closed monitoring contact, or three normally-open positive guided safety contacts and one normally-closed monitoring contact.

The LG5929 extension module provides additional contacts for emergency-stop modules and safety gate monitors. Designed for one-channel or two-channel connection, the Category-4 rated extension module features five normally-open positive guided safety contacts and one normally-closed monitoring contact. 

See the full line of Dold safety relay products at: www.automationdirect.com/safety-relays.

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