270 & 275 270 SERIES 30 AND 35 AMP POWER RELAY 275F FEATURES MODELS ■ 30 Amps Switching on all Contacts thru a DPDT Configuration (25 Amps in Europe) ■ Coil Molded in DuPont Rynite®, Providing Class F Temperature Insulation ■ Low Cost Alternative to Small Contactors 270S: 275F: 275T: CONTACT DATA COIL DATA Open Frame w/Stud & Locator Tab Flange Cover Top Mount Cover Other Suffixes Available B-Bracket Provided, L-Tap & Locator, P-Printed Circuit Pins CONFIGURATION: Thru DPDT, Including SPST-NO-DM, SPST-NC-DB and DMDB MATERIALS: All Contacts 1/4" Silver Cadmium Oxide CONTACT RATINGS MODEL POLE CONFIG. SPST-NO SPST-NC SPDT DPST-NO DPST-NC DPDT DMDB 270/275 SPST-NO-DM SPST-NC-DB 275F 275P 275T NOMINAL VOLTAGE AC Coils UL RATINGS 30 amp at 300VAC 15 amp at 600VAC 25 amp at 28VDC 1 HP at 120VAC 2 HP at 240/277VAC 3 HP at 480VAC 17 FLA, 60 LRA at 300VAC 25 FLA, 125 LRA at 240/277 VAC Heavy Pilot Duty, 600VAC 20 amp at 277VAC Ballast 20 amp at 480VAC Ballast 35 amp at 300VAC 15 amp at 600VAC 35 amp at 28VDC 5 amp at 125VDC 1 HP at 120VAC 2 HP at 240/277VAC 3 HP at 480VAC 17 FLA, 60 LRA at 300VAC 25 FLA, 125 LRA at 240/277 VAC Heavy Pilot Duty, 600VAC 20 amp at 277VAC Ballast 20 amp at 480VAC Ballast SEMKO RATINGS Model 275 F, P, T DC Coils 6VAC 12VAC 24VAC 48VAC 120VAC 240VAC 6VDC 12VDC 24VDC 48VDC 110VDC RESISTANCE IN OHMS ± 10% 3.5 14 56 230 1500 6000 20 80 315 1300 6800 NOMINAL COIL POWER 2.4VA 1.8W Coil Voltages: USA/Canada European AC: Up to 277 Volts/60 Hz Up to 250 Volts 50/60 Hz DC: Up to 125 Volts Up to 125 Volts Coil Treatment: Molded Rynite® Std. Class F Insulation Resistance: 100 Megohms Minimum UL Insulation System File No.: E74443 S155D 155°C Total Temperature Std. (Covers S105 Class A and S130D Class B Requirements) OPERATE DATA Pick Up (at 25°C): AC Volts 85% or Less of Nominal DC Volts 75% or Less of Nominal Operate Time: Approx. 15 Milliseconds Release Time: Approx. 15 Milliseconds ENVIRONMENTAL DATA Operating Ambient: AC: -45° to 75°C DC: -45° to 80°C Coil Temperature Rise: (25°C Ambient – Continuous Duty) AC: 45°C Approx. @ 60 Hz – Use at 50 Hz will Cause Slight Increase in Coil Rise DC: 40°C Approx. SPST-NO SPST-NC SPDT DPST-NO DPST-NC DPDT DMDB 25 amp at 250VAC, 50 Hz AC-1 25 amp at 28VDC DC-1 12 amp at 240VAC 50 Hz AC-3 EXPECTED LIFE SPST-NO-DM SPST-NC-DB 35 amp at 250VAC 50 Hz AC-1 35 amp at 28VDC DC-1 12 amp at 240VAC 50 Hz AC-3 DIELECTRIC STRENGTH Electrical At Rated Load (Minimum) 100,000 Operations Mechanical Life 10,000,000 Operations 1200 VRMS, 60 Hz Between Contacts 2200 VRMS, 60 Hz Between Other Elements MECHANICAL DATA UL RECOGNIZED FILE NO.: E37066 US and Canadian Recognition SEMKO CERTIFICATE NO.: 9648100/01* Model 275 F,P, T * Double Pole units may require 150°C load wire for some applications. 16 Terminals: All Versions (Except P Suffix) .250" x .032" Quick Connect/Solder P Suffix Version Printed Circuit Pins Cover: Clear Polycarbonate - Flammability Rating 94V2 Weight: Approx. 3 oz. (85 g) DIMENSIONS [Unit Inch (mm)] SCHEMATICS .055 x .032 275L .090 x .032 (2.29) (.81) (1.40) (.81) COIL TERMINALS ONLY 275P ORDERING INFORMATION PC BOARD LAYOUT - ALL PINS SHOWN. SELECT THOSE REQUIRED BASED ON SCHEMATIC FOR POLE CONFIGURATION UTILIZED. RECOMMENDED HOLE SIZES .078 (1.98) FOR COIL (A&B) .109 (2.77) FOR OTHERS (1-9) 30 AMP Part Numbers AC Coils DC Coils MODEL POLE CONFIG. 24VAC 120VAC 240VAC 12VDC 275F SPST-NO SPST-NC SPDT DPST-NO DPST-NC DPDT 20837-82 20838-82 20839-82 20842-82 20843-82 20844-82* 20837-84 20838-84 20839-84 20842-84 20843-84 20844-84* 20837-85 20838-85 20839-85 20842-85 20843-85 20844-85 275P SPST-NO SPST-NC SPDT DPST-NO DPST-NC DPDT 20973-82 21058-82 21057-82 21044-82 20976-82 20931-82 20973-84 21058-84 21057-84 21044-84 20976-84 20931-84 275T SPST-NO SPST-NC SPDT DPST-NO DPST-NC DPDT 20993-82 20994-82 20995-82 20998-82 20999-82 21000-82 24VDC 110VDC 20845-81 20846-81 20847-81 20850-81 20851-81 20852-81 20845-82 20846-82 20847-82 20850-82 20851-82 20852-82* 20845-84 20846-84 20847-84 20850-84 20851-84 20852-84 20973-85 21058-85 21057-85 21044-85 20976-85 20931-85 20970-81 21059-81 21016-81 21023-81 20934-81 20930-81 20970-82 21059-82 21016-82 21023-82 20934-82 20930-82 20970-84 21059-84 21016-84 21023-84 20934-84 20930-84 20993-84 20994-84 20995-84 20998-84 20999-84 21000-84 20993-85 20994-85 20995-85 20998-85 20999-85 21000-85 21001-81 21002-81 21003-81 21006-81 21007-81 21008-81 21001-82 21002-82 21003-82 21006-82 21007-82 21008-82 21001-84 21002-84 21003-84 21006-84 21007-84 21008-84 35 AMP Part Numbers 275F SPST-NO-DM SPST-NC-DB 20840-82 20841-82 20840-84 20841-84 20840-85 20841-85 20848-81 20849-81 20848-82* 20849-82 20848-84 20849-84 275T SPST-NO-DM SPST-NC-DB 20996-82 20997-82 20996-84 20997-84 20996-85 20997-85 21004-81 21005-81 21004-82 21005-82 21004-84 21005-84 * Shaded Items Are Normally Stocked. All Other Items Are Non Stock. Minimum Quantity May Be Required. 17