Microtel D51T v.1.0 - Manual (Page 29)

MICROTEL D51T
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Sensing voltage: Open circuit sees 5 Volts (nominal)
Max. Loop Resistance: 10 killiohms
Max. Loop Capacitance: 100,000 picofarads
Isolation: 1500 Volts, transformer and optical isolation.
Fault Integration Delay: 00 – 99 seconds
AC Power Fail Detect: Internal circuit, configurable enable and alarm delay
A.7 Temperature Measurement and Alarms
Type: Onboard, internal to the enclosure, temperature IC
Accuracy: +/- 5 degrees Fahrenheit
Reporting Resolution: 1 degree Fahrenheit
Low Temperature Alarm: Setpoint 00 to 99 degrees Farenheit
High Temperature Alarm: Setpoint 00 to 99 degrees Farenheit
A.8 Local Summary Alarm Contacts
Type: Relay, Type 1A Contacts
Operation:
Normally energized (contacts closed),
De-energized (contacts open) when a Fault
condition is present; or, manual control of
output contacts via DTMF command.
Contact Rating: 10 VA, Resistive Load
Max. Switch Current: 0.5 Amp D.C
Max Switch Voltage: 48 Volts D.C.
Max. Carry Current: 1.25 Amps D.C.
Isolation: 1500 Volts