Series PET 1481 (B) Series PET 1481 (B) Time Delay Relay Time Delay Relay FEATURES: UL Recognition Field Programmable for any of 5 operating modes. Recognized under Field Selectable time delays from 0.3 seconds to 2.2 hours. the Component Industry standard Radio-Type 11 pin socket. Recognition Program of Underwriters High-accuracy P-MOS Digital Timing Network. Laboratories Inc. Outstanding repeatability - less than ±1%. Long Life, Double Pole - Double Throw 10 Amp Contacts. CHARACTERISTICS: Time Delay Operating Modes: Delay on Operate, Delay on Release, On Operate / On Release, Interval On, One Shot.. Timing Adjustment: Single turn potentiometer with knob on top of case. Timing Range: Selectable from 0.3 seconds through 8060 Seconds. Repeat Accuracy: ±1% under fixed conditions. Absolute Accuracy over complete range of Temperature and Input Voltage: ±5% Reset Time: 10 milliseconds maximum - signal interrupt, 100 milliseconds maximum - power interrupt. Input: Voltage Range: Selectable from 24 VDC, 24 VAC, or 120 VAC. Allowable Variation: ±10%. Power Consumption: 1.5 Watts Maximum. Output: Type: Double Pole, Double Throw. Rating: 10 Amps @ 30 VDC Resistive, 10 Amps @ 120 and 24 VAC, 1/3rd HP at 120 VAC. Life Expectancy: 1,000,000 Cycles minimum under rated load. Transient Protection: 0.8 Joules General: Termination: 11 Pin, Plug-in Octol Socket. Operating Temp Range: -10º C to 55º C. Weight: 5 ounces. Ordering Information The Guardian part number is: PET1481 (B) Series PET 1481 (B) Series PET 1481 (B) Time Delay Relay Time Delay Relay OPERATING MODES: Delay on Operate: Upon application of power to the input terminals, the time delay is initiated. At the end of the time delay period, the output contacts transfer. Reset is accomplished by removal of the input power. Delay on Release: Power is applied at all times. Upon application of a signal voltage, the output contacts immediately transfer and remain in this positon if no further action is taken. Immediately upon removal of the sig- nal voltage, the time delay begins. At the end of the preset time delay, the output reverts to its origi- nal position and the unit is now ready for the next cycle. Interval On: Upon application of power to the input terminals, the output contacts tranfer immediately and the timing period begins. At the completion of the preselected time delay, the output contacts de-ener- gize. Reset is accomplished by removal of the input power. One Shot: Closing the external switch energizes the inernal relay and starts a time delay, at the conclusion of which the internal relay de-energizes. If the external switch is opened and reclosed during a timing cycle, a fresh delay is initiated at the conclusion of which the internal relay de-energizes. Delay on Operate / Delay on Release: Closing the external switch will initiate a delay on opertae (internal relay will energize after a set period). The internal relay will remain energized as long as the external switch remains closed. Upon opening the external switch a delay on release is started (same delay time as on operate) and at the conclusion of the delay period the internal relay de-energizes and is ready for a new cycle. The above delay cycles may be aborted by removing input power.