275 Series - Motor Reversing Contactor 2X - 3PST, 15 Amp File No. E13224 The 275 series is a 2 coil, compact motor reversing contactor which finds extensive applications in the industrial door operator industry, the hoist industry and electronic wheel balancers, to name a few. The 275 series has Quick connect coil terminals extending out the back (opposite the contact terminals), mechanically interlocked armatures is a standard feature. GENERAL SPECIFICATIONS (@ 25° C) Contacts: Contact Configuration Contact Material Contact Rating 120 / 240VAC Resistive Motor 120VAC 1 Phase Motor 240VAC 1 Phase Motor 240VAC 2-3 Phase Motor 480 / 600VAC 2-3 Phase Contact Resistance, Initial Coil: Coils Available Nominal Coil Power Input Voltage Tolerance - AC Input Voltage Tolerance - DC Drop-out voltge Duty Timing: Operate Time (max) Release Time (max) Dielectric Strength: Across Open Contacts Between Mutally Insulated Points Insulation Resistance Temperature: Operating Storage Life Expectancy: Electrical (full load operations) Mechanical (no load operations) Miscellaneous: Mounting Position Enclosure Weight 3/7 3PST-NO Double Make per side Silver alloy 15 Amp / 10 Amp 1Hp 1.5Hp 3Hp 3Hp 100milliohms max @ 6VDC AC and DC 17VA 4.9W 85% to 110% of nominal 80% to 110% of nominal 10% of nominal Continuous 50mS 30mS 2500 VRMS 2500 VRMS 1000 Megohms @ 500 VRMS 275 Wire Diagram 1 2 3 4 5 6 7 8 9 -34 to 74°C (-30 to 165°F) -40 to 105°C (-40 to 221°F) 100,000 5,000,000 Vertical , Contacts Up Semi-Enclosed 16.0oz (406 grams) www.struthers-dunn.com (843) 664-3303 Motor Relays 15 - 75 Amp Outline Dimensions Section 3 Dimensions Shown in inches & (millimeters) 2.98 (75.8) 2.56 (65.0) 2.31 (58.9) UP 1.59 (40.4) 3.37 (85.6) Recommended Mounting Position .187 (4.76) 2 holes for #8 screws Ordering Code 275 KXX 90 -24VAC Series 275 Contact Arrangement KXX (2X 3PST – N.O. – double make) Optional Features 2 Auxiliary contacts each SPDT (1 per coil) .25” quick connect terminals - CODE 90 4 Auxiliary contacts each SPDT (2 per coil) .25” quick connect terminals - CODE 91 Rectified coil - CODE V2 Coil Voltage AC: 12, 24, 120, 240 (Add VAC) DC: 12, 24, 125 (Add VDC) Coil Specifications AC Coil, 50/60HZ Nominal Resistance voltage ohms ±10% 12 1.24 24 4.80 110-120 125 220-240 500 www.struthers-dunn.com (843) 664-3303 Nominal voltage 12 24 32 48 DC Coil Resistance ohms ±10% 31 125 210 500 3/8