Data Sheet Definite Purpose Contactors UL 508 Ex9CK Series www.NoarkUSA.com 2013 NOARK Electric • All Rights Reserved 1 Ex9CK75 Ex9CK32 Ex9CK40 NOARK Ex9CK Series Ex9CK Series DP Contactors provide high performance with both flexibility and reliability. They are designed to match numerous applications including: • Air conditioning • Resistive heating • Refrigeration equipment • Motors • Welding • Pumps • Power supplies • Food serivce equipment • Compressors • Business machines Approval By • UL 508 Guide No. NLDX2. E353866 • CSA C22.2 No. 221260 • IEC/ EN 60947-4-1 • Compliance to ARI-780 standards Features • Available as: • 20 A, 25 A, 32 A - 1, 2 and 3 pole • 30 A, 40 A - 1, 2, 3 and 4 pole • 50 A, 60 A, 75 A, 90 A - 3 pole • Industry standard mounting plate provides easily accessible mounting holes • More connection terminal options, including screw or lug connections each with quick connect spades • Coil is class H (180° C) insulation system with a wide range of voltages and 50 / 60 Hz ratings • Double E magnet assembly provides optimal performance with reduced power consumption • 1NO+1NC auxiliary contact block with 600 Vac rating available as an option • Base assembly is made from high arc-resistant polyester Ex9CK 40 A 30 G 7 N* NOARK Full load amp (FLA) Terminal options Power pole Coil voltage Power frequency Other options Ex9CK Series @ 240/277 Vac 20: 20 A 50: 50 A B: 24 V N: 277 V N: Without cover of A: Screw terminal 10: 1NO+1Shunt 5: 50 Hz 25: 25 A 60: 60 A C: 36 V Q: 380 V 2 pole contactor 30: 30 A 75: 75 A D: 42 V V: 400 V 32: 32 A 90: 90 A E: 48 V N: 415 V E: Enclosed coil for 6: 60 Hz B: Box lugs 20: 2NO 40: 40 A F: 110 V R: 440 V 3 pole contactor G: 120 V T: 480 V Blank: Standard M: 220 V S: 500 V 30: 3NO 7: 50 / 60 Hz P: 230 V Y: 600 V DP contactor U: 240 V 40: 4NO (30A and 40A only) *Note: A) These are all covered contacts, and by adding "N" prefix to the part number they can be supplied as open. B) Dust covers can be added to all contators. C) For more details, please contact our sales team. 2013 NOARK Electric • All Rights Reserved 2 Specifications Coil technical data Ex9CK 20 to 40 A - 1 pole / 2 poles Ex9CK 20 to 40 A - 3 poles Nominal coil voltage (Vac) 24 120 208/240 24 120 208/240 Pick up voltage range (Vac) 20.4 - 26.4 102 - 132 204 - 264 20.4 - 26.4 102 - 132 204 - 264 Drop out voltage range (Vac) 4.8 -15.6 24 - 78 48 - 156 4.8 -15.6 24 - 78 48 - 156 Nominal inrush VA (50 / 60Hz) 55 55 55 51 51 51 Nominal sealed VA (50 / 60Hz) 13 13 13 12 12 12 Other Ex9CK 20 / 25 A - 1 to 3 poles Ex9CK 30 to 40 A - 1 to 3 poles Line and load terminals Screw / box lug Screw / box lug Wire size #14-10 AWG rigid wire with single core #12-8 AWG rigid wire with single core #14-12 AWG flexible stranded wire #14-12 AWG flexible stranded wire Tightening torque Coil - - - (recommended) lb.in Power pole 20 - - Quick connects (power terminals) Dual .250 QC - - - Coil terminals Dual .250 QC - - - 1 pole / 2 pole Option - - Covers 3 poles Standard - - Insulation system 180˚C Class H - - - Coil Technical Data Ex9CK 50 to 60 A - 3 poles Ex9CK 75 to 90 A - 3 poles Nominal coil voltage (Vac) 24 120 208/240 24 120 208/240 Pick up voltage range (Vac) 20.4 - 26.4 102 - 132 204 - 264 20.4 - 26.4 102 - 132 204 - 264 Drop out voltage range (Vac) 4.8 -15.6 24 - 78 48 - 156 4.8 -15.6 24 - 78 48 - 156 Nominal inrush VA (50 / 60 Hz) 84 84 84 165 165 165 Nominal sealed VA (50 / 60 Hz) 14 14 14 30 30 30 Other Ex9CK 50 / 60 A - 3 poles Ex9CK 60 A - 3 poles Line and load terminals Screw/ box lug - Wire size # 10-6 AWG rigid wire with single core - # 10-8 AWG flexible stranded wire - Tightening torque Coil 10 - - (recommended) lb.in Power pole 40 - - Quick connects (power terminals) Dual .250 QC - - - Coil terminals Dual .250 QC - - - Covers Standard - - - Insulation system 180˚C Class H - - - Other ExCK 75A - 3 poles ExCK 90A - 3 poles Line and load terminals Screw / box lug Wire size #6-3 AWG rigid wire with single core #4-3 AWG rigid wire with single core #8-4 AWG flexible stranded wire #8-4 AWG flexible stranded wire Coil 10 - - Tightening torque (recommended) lb.in Power pole 50 - - Quick connects (power terminals) Dual .250 QC - - - Coil terminals Dual .250 QC - - - Covers Standard - - - Insulation system 180˚C Class H - - - 2013 NOARK Electric • All Rights Reserved 3 Ratings & Packaging Locked rotor amps Resistive amps Standard pack qty. Full load amps Number of poles @ 600 Vac per carton 240/277 V 480 V 600 V 20/25 1 32 150 - - 64 20/25 2 32 150 120 90 64 20/25 3 32 150 110 90 54 30/32 1 40 200 - - 64 30/32 2 40 200 150 120 64 30 3 40 200 115 95 54 32 3 40 200 150 120 54 30 4 40 180 150 130 40 40 1 50 240 - - 64 40 2 50 240 200 160 64 40 3 50 240 150 120 54 40 4 50 240 200 160 50 50 3 60 300 215 175 27 60 3 75 360 215 175 26 75 3 90 450 375 300 12 90 3 100 540 450 360 12 2013 NOARK Electric • All Rights Reserved 4 Dimensions Unit: mm [in.] Ex9CK20~40 - 1 pole + 1Shunt Ex9CK20~40 - 2 poles Ex9CK20~40 - 3 poles 2013 NOARK Electric • All Rights Reserved 5 Dimensions Unit: mm [in.] Ex9CK50~60 - 3 poles Ex9CK75~90 - 3 poles 2013 NOARK Electric • All Rights Reserved 6 NOARK Electric North America 9817 South 13th Street • Oak Creek, WI 53154 (414) 304-8189 www.NoarkUSA.com • NASales@Noark-Electric.com Note: NOARK Electric reserves the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. NOARK Electric nor any of its affiliates or subsidiaries shall be responsible or liable for potential errors or possible lack of information in this document. NOARK Electric reserves all rights in this document and in the subject matter and illustrations contained therein. Any reproduction, disclosure to third parties or utilization of its contents – in whole or in parts – is forbidden without prior written consent of NOARK Electric. 2013 NOARK Electric • All Rights Reserved DSDP201301NA