R28 Series Features • ± 0.1% Repeatability • 8−Pin Octal Base • Knob with Calibrated Scale • 3−Timing Ranges • Impact Proof Dust Cover • IC Hybrid Circuitry for Timing DPDT, 10 Amp AC & DC Adjustable Delay On Operate Time Delay Relays. D16 .242 (6.2) Alternate Knob Style .563 (14.3) DPDT, 2 Form “C” 4 5 6 3 2.875 (73.02) 7 2 1 + 8 INPUT − 2.374 (60.32) OPERATION 1.750 (44.45) DELAY ON OPERATE− The delay period begins when input voltage is applied. At the end of the delay period, the relay will operate and will not release until input voltage is removed. Reset occurs when input voltage is reapplied. INPUT VOLTAGE N.O. RELAY CONTACTS Electrical Specifications Contact ON Rating: 10 Amps 120 VAC, 30 VDC−8 Amp, 1/2 HP @ 240 VAC, 1/3 HP @ 120 VAC Life: 500,000 ops @ 120 VAC, 10A resistive 1,000,000 ops @ 120 VAC, 5A resistive 2,000,000 ops @ 120 VAC, 2A resistive Mechanical Life: 50,000,000 operations OFF ON TIME OFF Input Nominal Input voltage: See Chart Steady state input current: See Chart Timing Timing adjustment modes available: 0.1 to 10 sec (K−suffix) 1.8 to 180 sec (L−suffix) 3.0 to 300 sec (M−suffix) AC OPERATED Max. Contact Cur. @ 28VDC or 120VAC Diag No. NTE Type No. Nom. Voltage Contact Arr. Input Cur. Nom. R28−11A10−120K 120VAC DPDT 20mA 10A D16 R28−11A10−120L 120VAC DPDT 20mA 10A D16 R28−11A10−120M 120VAC DPDT 20mA 10A D16 R28−11D10−24K 24VDC DPDT 40mA 10A D16 R28−11D10−24L 24VDC DPDT 40mA 10A D16 DC OPERATED ACCESSORIES MOUNTING STYLES DESCRIPTION NTE TYPE NO. SURFACE MOUNT 8−PIN OCTAL R95−101 PANEL MOUNT 8−PIN OCTAL R95−118 DIN RAIL MOUNT 8−PIN OCTAL R95−113 DIN RAIL MOUNT 8−PIN OCTAL R95−181 NTE Electronics, Inc. Voice (973) 748−5089 Repeat Accuracy ± 0.1% − constant voltage & temperature Percent Timing change over temperature & voltage range: ± 10% Timing tolerance at high end of range: −0, +40% Timing tolerance at low end of range: +0, −40% Reset Time: 100 mS max Protection Transient: UL508 surge test 5000V for 50 mS Dielectric Breakdown Coil To Contact: 1500 VAC Across Open Contact: 1000 VAC Noise Immunity: NEMA ICS 2−230 2500 VAC Environmental Characteristics Operating: −10°C to +55°C Storage: −55°C to +85°C Weight Std: 4 oz (115 gram) approx. FAX (973) 748−6224 http://www.nteinc.com 41