RLY270 Series Features • • • • • • • • 30 Amp/2 HP Load Ratings No Heat Sink Required 0.5% Repeat Accuracy .250” Quick Connect Terminals Transient Protected CMOS Digital Timing 2 x 3 Plastic Package Knob Adjustable, AC or DC, Single Shot or Interval, High Power Cube Timer. D78 T8 N.C. T3 N.O. COM 3.000 (76.2) 0 10 TIME DELAY ADJUSTMENT .250 (6.35) Dia 1.000 (25.4) 2.000 (50.8) OPERATION SINGLE SHOT− Upon closure of the control switch, output switch operates and time period begins. The time period is not affected by duration of the control switch closure. At the end of time period, output switch returns to normal. Continuous power must be furnished to this timer. 1.200 (30.48) CONTINUOUS ON POWER OFF CONTROL ON SWITCH OFF OUTPUT SWITCHING ON OFF − Input Power + Nom Voltage Contact Arr. Max. Contact Cur. @ 120VAC Diag No. RLY275L 3 to 100 sec. 120VAC SPST 30A* D78 RLY275N 0.3 to 10 min. 120VAC SPST 30A* D78 RLY271L 3 to 100 sec. 12VDC SPST 30A* D78 RLY271N 0.3 to 10 min. 12VDC SPST 30A* D78 DC OPERATED * Note: U.L. for 20 Amp Only. ON Ratings and Specifications TIME OFF Single Shot T3 Timing Adj. Range NTE Type No. DELAY CONTINUOUS ON CONTROL POWER OFF T6 1.500 (38.1) Max AC OPERATED INTERVAL ON− The relay energizes and timing begins when the input voltage is applied. At the end of the time delay period the relay will de−energize. Reset is accomplished by removing, then reapplying the input voltage. OUTPUT SWITCHING 1.000 (25.4) N.C. N.O. COM Timer NTE Electronics, Inc. Interval Initiate Switch T6 T3 − Input Power + N.C. N.O. COM Timer Voice (973) 748−5089 Input Operating Voltage Range (Line): ±20% AC Operating Frequency: 50/60Hz Switch Configuration: Electromechanical, SPST Switching Current (Load): 500 mA min., 30 Amps max. Switching Current (Load): (Note: U.L. for 20 Amp Only) Repeat Accuracy: ±0.5% Reset Time: 150ms Min. Expected Life: Mechanical: 10,000,000 operations Electrical: 10,000 operations @ rated load Operating Temperature: −40° to +80°C Storage Temperature: −50° to +85°C Dielectric Breakdown Voltage Between All Elements: 1500Vrms Transient Protection: 1500 V for 150µs Mounting: One #8 or #10 Screw FAX (973) 748−6224 http://www.nteinc.com 93