Data Bulletin
Class 8501 Type C
Heavy Duty Open Frame Power Relays
Retain for future use.
8501DB1101
07/2012
Features and Applications
8501C relays are ideally suited for controlling single-phase motors, electric heaters, pumps, conveyors, material
handling equipment, and other applications.
•
•
•
8501CDO16V51
40 A contact rating
Motor load (hp) ratings
Durable open-frame construction
•
•
UL Listed
CSA certified
•
•
CE approved
RoHS compliant
Table 1: Selection Table and Application Data
Selection Table
Number
of Fixed
Contacts
N.O.
General Purpose
SPST
DPST
SPST
SPDT
DPDT
1
2
0
1
2
0
0
1
1
2
CO6a
CO7a
CO8a
CO15a
CO16a
CDO6a
CDO7a
CDO8a
CDO15a
CDO16a
600
600
600
600
600
40
40
40
40
40
110 Vdc
10
5
10
5
5
220 Vdc
10 VA
10 VA
4W
4W
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
10 VA
10 VA
10 VA
10 VA
10 VA
4W
4W
4W
4W
4W
N.C.
AC
Operated Coil
Open Type
DC
Operated Coil
Open Type
Maximum
Contact
Voltage
Resistive Ampere
Rating 75% Power Factor
277 Vac /
28 Vdc
600 Vac
Application Data
Maximum
Single-phase
Horsepower
120 Vac
230 Vac
600 Vac
Maximum
Coil Power
Consumption
AC Coil
DC Coil
Contact
Arrangement
DC Switching (includes Blowout Magnet)
SPST
1
0
CO21a
CDO21a
500
20
8
N.A.
DPDT
2
2
CO22a
CDO22a
325
10
4
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 /
Voltage Range
Coil Duty
Operating Temperature Range
Storage Temperature Range
AC coils – 6 through 480 volts, + 10/-15% of nominal at 25 °C
DC coils – 6 through 110 volts, + 10/-20% of nominal at 25 °C
Continuous duty rated coils. (Non-replaceable)
AC: -67 °F to +131 °F (-55 °C to +55 °C)
DC: -67 °F to +131 °F (-55 °C to +55 °C)
-67 °F to +212 °F (-55 °C to +100 °C)
Approvals:
File E78351
CCN NLDX
File 218139
Class 3211 04
IEC 60947-4-1
Table 3: Voltage Codes and Stocked Relays
Class 8501
Type
Voltage Code
CO6
CO7
CO8
CO15
CO16
CO21
CO22
Note: S = Stocked.
AC Voltage—50/60 Hz
6
V35
12
V36
S
S
24
V14
S
S
S
S
S
120
V20
S
S
S
S
S
S
S
208
V08
S
S
S
S
240
V24
S
S
S
S
S
277
V04
S
S
S
S
S
480
V29
S
S
S
S
S
Class 8501
Type
Voltage Code
CDO6
CDO7
CDO8
CDO15
CDO16
CDO21
CDO22
DC Voltage
6
V50
12
V51
S
S
24
V53
S
S
S
S
S
S
110
V60
S
S
S
S
S
© 2012 Schneider Electric All Rights Reserved
™
Class 8501 Type C
Data Bulletin
8501DB1101
07/2012
Approximate Dimensions and Wiring Diagrams
8501CO15, 8501CDO15 (SPDT)
8501CO16, 8501CDO16, 8501CO22, 8501CDO22 (DPDT)
14
2.06
(52.4)
A1
2.31
(58.8)
22
24
A1 21
0.31
(8.0)
2.5
(63.6)
1.874
(47.60)
0.374
(9.50)
0.81
(20.7)
0.19
(4.8)
2.49
(63.2)
12
A2 11
0.374
(9.50)
2.5
(63.6)
1.874
(47.60)
3.13
(79.4)
0.19
(4.8)
12
14
A2 11
8501CO6, 8501CDO6, 8501CO21, 8501CDO21 (SPST-NO)
8501CO7, 8501CDO7 (DPST)
14
1.98
(50.3)
A1
1.95
(49.6)
24
A1 21
2.5
(63.6)
1.874
(47.60)
2.49
(63.2)
13
A2
2.5
(63.6)
1.874
(47.60)
2.49
(63.2)
14
A2 11
8501CO8, 8501CDO8 (SPST-NC)
Optional blowout
magnet location
1.98
(50.3)
2.5
(63.6)
2.49
(63.2)
Accessories....
........................................ ........................
Enclosure Dimensions
3.63
(92.20)
3.25
(82.55)
9991UE1 Enclosure
0.75
(19.05)
0.75
(19.05)
Table 4: 9991 Enclosure
Type
UE1
Description
NEMA 1 sheet steel enclosure
2.98
(75.69)
How to Order
Table 5: How to Order
To Order Specify:
Catalog Number
Class
8501
Type
CO6
Voltage
Code
V20
•
•
•
Class Number
Type Number
Voltage Code
(See Table 3 on page 1)
.060
(1.52)
3.63
(92.20)
Schneider Electric USA, Inc.
8001 Knightdale Blvd.
Knightdale, NC 27545 USA
1-888-778-2733
www.schneider-electric.com
2
Electrical equipment should be installed, operated, serviced, and maintained only by
qualified personnel. No responsibility is assumed by Schneider Electric for any
consequences arising out of the use of this material.
Square D™ and Schneider Electric™ are trademarks or registered trademarks of
Schneider Electric. Other trademarks used herein are the property of their respective
owners.
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