8501DB1101 07/2012 Data Bulletin Class 8501 Type C Heavy Duty Open Frame Power Relays Retain for future use. Features and Applications 8501C relays are ideally suited for controlling single-phase motors, electric heaters, pumps, conveyors, material handling equipment, and other applications. 40 A contact rating UL Listed CE approved Motor load (hp) ratings CSA certified RoHS compliant Durable open-frame construction 8501CDO16V51 Table 1: Selection Table and Application Data Selection Table Application Data Number Maximum Maximum Resistive Ampere of Fixed Single-phase Coil Power AC DC Maximum Rating 75% Power Factor Contact Contacts Horsepower Consumption Operated Coil Operated Coil Contact Arrangement Open Type Open Type Voltage 277 Vac / N.O. N.C. 600 Vac 120 Vac 230 Vac 600 Vac AC Coil DC Coil 28 Vdc General Purpose SPST 1 0 CO6a CDO6a 600 40 10 2 2 2 10 VA 4 W DPST 2 0 CO7a CDO7a 600 40 5 2 2 2 10 VA 4 W SPST 0 1 CO8a CDO8a 600 40 10 2 2 2 10 VA 4 W SPDT 1 1 CO15a CDO15a 600 40 5 2 2 2 10 VA 4 W DPDT 2 2 CO16a CDO16a 600 40 5 2 2 2 10 VA 4 W DC Switching (includes Blowout Magnet) 110 Vdc 220 Vdc SPST 1 0 CO21a CDO21a 500 20 8 10 VA 4 W N.A. DPDT 2 2 CO22a CDO22a 325 10 4 10 VA 4 W a Voltage codes must be specified to order this product. Refer to standard voltage codes listed in Table 3 and insert as shown in Table 5 How to Order. Table 2: Operating Data Operating Voltages / AC coils 6 through 480 volts, + 10/-15% of nominal at 25 C Voltage Range DC coils 6 through 110 volts, + 10/-20% of nominal at 25 C Coil Duty Continuous duty rated coils. (Non-replaceable) AC: -67 F to +131 F (-55 C to +55 C) Operating Temperature Range DC: -67 F to +131 F (-55 C to +55 C) Storage Temperature Range -67 F to +212 F (-55 C to +100 C) Approvals: File E78351 File 218139 IEC 60947-4-1 CCN NLDX Class 3211 04 Table 3: Voltage Codes and Stocked Relays AC Voltage50/60 Hz DC Voltage Class 8501 Class 8501 Type Type 6 12 24 120 208 240 277 480 6 12 24 110 Voltage Code V35 V36 V14 V20 V08 V24 V04 V29 Voltage Code V50 V51 V53 V60 CO6 SSSSSSS CDO6 S S CO7 SSSSSSS CDO7 S S CO8 S S S S S CDO8 CO15 SSSSSS CDO15 S CO16 S SSSSSS CDO16 S S S CO21 S CDO21 S S CO22 S CDO22 S S Note: S = Stocked. 2012 Schneider Electric All Rights ReservedClass 8501 Type C 8501DB1101 Data Bulletin 07/2012 Approximate Dimensions and Wiring Diagrams 8501CO16, 8501CDO16, 8501CO22, 8501CDO22 (DPDT) 8501CO15, 8501CDO15 (SPDT) A1 14 24 A121 22 2.06 2.31 (52.4) (58.8) 1.874 0.81 0.19 12 0.374 0.31 (47.60) (20.7) (4.8) 2.5 2.49 12 1.874 0.19 A2 11 (9.50) 14 A211 (8.0) 0.374 (63.6) (63.2) (47.60) (4.8) 2.5 3.13 (9.50) (63.6) (79.4) 8501CO6, 8501CDO6, 8501CO21, 8501CDO21 (SPST-NO) 8501CO7, 8501CDO7 (DPST) 14 A1 24 A1 21 1.98 1.95 (50.3) (49.6) 1.874 1.874 13 A2 (47.60) 2.49 14 A211 2.5 2.49 (47.60) 2.5 (63.2) (63.6) (63.2) (63.6) 8501CO8, 8501CDO8 (SPST-NC) Optional blowout magnet location 1.98 (50.3) 2.5 2.49 (63.2) (63.6) Accessories................................................................ Enclosure Dimensions 3.63 (92.20) 3.25 (82.55) 9991UE1 Enclosure 0.75 0.75 (19.05) (19.05) Table 4: 9991 Enclosure Type Description UE1 NEMA 1 sheet steel enclosure 2.98 (75.69) How to Order Table 5: How to Order To Order Specify: Catalog Number .060 (1.52) Class Number 3.63 Voltage (92.20) Class Type Type Number Code Voltage Code 8501 CO6 V20 (See Table 3 on page 1) Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel. No responsibility is assumed by Schneider Electric for any Schneider Electric USA, Inc. consequences arising out of the use of this material. 8001 Knightdale Blvd. Knightdale, NC 27545 USA Square D and Schneider Electric are trademarks or registered trademarks of 1-888-778-2733 Schneider Electric. Other trademarks used herein are the property of their respective www.schneider-electric.com owners. 2 2012 Schneider Electric All Rights Reserved