CSA Canadian Standards Association, the agency for testing and approving products sold in Canada.

INSTANT CONTACTS Relay contacts which energize or de-energize in conjunction with the input power switch or control device. These contacts operate independently of the timed contacts and can be used to control a separate function.

MAINTAINED INTERVAL A delay which energizes an output for a preset period of time. The control switch or input power must be maintained during the timing interval to complete the delay. This timing function is also known as interval delay, or interval ON.

MOTION DETECTOR A device to detect zero, underspeed or overspeed conditions of pumps, conveyors, blower fans and other similar equipment which requires proper machine speed.

MOV metal oxide varistor, a component which provides transient protection.

OFF DELAY A delayed de-energization of an output. The delay begins when the control switch is opened. This timing function is also known as delay on break, delay on release, delay on de-energization or slow release.

ON DELAY A delayed energization of an output. The delay begins when the control switch is closed or power applied to the input. This timing function is also known as a time delay, delay on make, delay on operate, delay on energization, or slow operate.

ON DELAY/OFF DELAY This timing function is a combination of on delay and off delay.

POWER ACTUATION The control of a timing function through the application or removal of input power.

PULSED INTERVAL A delay which energizes an output for a preset period of time. The control switch must close only momentarily to initiate this delay. This timing function is also known as a single shot,one shot, pulse stretcher, or latching interval.

RANGE TOLERANCE Factory calibration of time range at room temperature and nominal input voltage.

REPEAT ACCURACY The maximum deviation in the time setting of a timer when operated under constant conditions (constant ON/OFF times, input voltage and temperature). The average of five consecutive operations, starting with the second operation, will serve as the reference for determining the maximum deviation.

REPEAT CYCLE A timing function in which the output is turned ON and OFF repeatedly as long as the control switch is closed or power remains applied to the input. This timing function is also known as are cycle timer or flasher.

RESET TIME The minimum period of time the timer requires to prepare for a new cycle.

TIMING VARIATION VS TEMPERATURE The timing change relative to a reference time delay at any temperature within specified limits. The reference time delay is based on five consecutive operations starting with the second operation and is measured at approximately 23¡C, with constant ON/OFF times and input voltage.

TOLERANCE The variation in a quantity from specified values or times.

TRANSIENT PROTECTION Internal protection which prevents damage to the circuit from sudden changes in voltage.

UL Underwriter's Laboratories, Inc., the agency for testing and approving products sold in the United States.