EvaFail-Safe

1620ES-24VDC Series Fail-Safe

Single Valve Actuator Emergency Backup

©1996 EvaFail-Safe All rights reserved. This Web site was created and maintained by: Fernando Silva
This site was last updated on: July 13, 2023
Timed or Instant Power Transfer Selection from Normal Power to UPS or from UPS back to Normal Power.
Automatic or Timed UPS Shut Down Selection when the valve is fully opened or closed after a power failure to prevent unnecessary battery discharge. Timed: For actuators without additional Limit Switches. Automatic: For actuators with additional Limit Switches..
UPS Shut Down LED Indicator lights up after the actuator has reached the Fail-Safe position.
Actuator Power Status LED indicates whether the motor is receiving UPS or Normal Power.
Controller Power Indicator LED provides visual confirmation that normal power is present.
Remote Test Switch terminal block, connect a PLC, TIMER or a SWITCH (customer provided) to test the Fail- Safe and cycle the batteries whenever needed.
1620ES-24VDC Electronic Controller
EvaFail-Safe offers the most reliable Fail-Safe in the industry, powerful, small size and yet the most economical system on the market. Choose from different models that supply currents from 0.1 to 200 Amps. **Longer times of emergency power may require the use of extra or larger batteries.
1620ES-24VDC Electronic Fail-Safe ** Terminal Block is installed on PC-Board, FAN, HEATER or SWITCH may be ordered as an option from EvaFail-Safe.

1620ES-24VDC SERIES STANDARD FEATURES

Our Fail-Safes are offered in all types of NEMA enclosures, for different voltages, higher running currents and prices please contact EvaFail-Safe.
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Fuse Protection For both 120Vac Inverter Output and 120Vac Normal Power.
UPS POWER RESET Allows you to connect a momentary switch to reset the emergency power after a cycle has finished.
Heater / Fan Terminal block ready to accept the installation of a FAN or HEATER (optional from EvaFail-Safe). may be operated.
Modulating or NON-Modulating Valves works with both systems without additional hardware.
Totally Automatic Switch-Mode Battery Charger with automatic Cut-off and then true float to extend battery life
Maintenance Free Operation Battery There is no need to check specific gravity of the electrolyte or add water.