Square D Digest 179

Vacuum Contactors and Starters, Full Voltage

NEMA Style Contactors, 600 V

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Class 8502 / Refer to Catalog 8502CT9701

General Information Class 8502 Type W non-reversing vacuum contactors used to switch capacitors, transformers and electric motors where overload protection is separately provided. Type W vacuum contactors are designed for operation at 600 Volts, 50/60 Hz. (See page 16 67 for Class 8702 Reversing Vacuum Contactors.) NOTE: In Table 16.108, replace the three bullets (●●●) in the catalog number with the coil voltage code. Refer to the standard coil voltage codes listed in Table 16.111. Table 16.108: Class 8502—Full Voltage, 3–Pole Vacuum Contactors NEMASize Enclosed Ampere Rating Locked Rotor Current (A) Motor Voltage Max. Hp OpenStyle Type

16 NEMA AND DEFINITE PURPOSE CONTACTORS AND STARTERS

200 230 460 575 200 230 460 575 200 230 460 575

40

50

WFO3●●●

4

135

1080

100 100 100 200 200 150 200 400 75

5

270

2160

WGO3●●●

6

540

4320

WHO3●●●

400 Table 16.109: Class 9998—Replacement Coils for Class 8502 and 8702 Vacuum Contactors (Includes Rectifier)

Class 8502 Type WH

Suffix Number (Complete Coil Number Consists of Class and Type Followed by Suffix Number)

Class and Type

Type

Size

Poles

120V 110V

240V 220V

480V 440V

600V 550V

4 5 6

WF WG WH

3 3 3

9998WF 9998WG

120

240

480

600

9998WH Table 16.110: Class 9999—Vacuum Contactor Kits Kit Description

For Use With Class 9999 Type Type Size

WF,WG 4, 5

Auxiliary Contacts, Non-Convertible 1-N.O. & 1-N.C. Isolated Contacts

WX11

WH 6

WF WG, WH

4

—

1-N.O. & 1-N.C. Isolated Contacts, Delayed Break 1-N.C. Isolated Contact

Coil Circuit Auxiliary Contacts

5, 6 WLX01

WG 5 WH 6

LUW5

Lug Kits (include 6 lugs)

—

Table 16.111: Coil Voltage Codes Volts 110 120 220

240

440

480

550

600

50Hz 60Hz

V02

— V03

— V06

— V07

—

— V02

— V03

— V06

— V07

Table 16.112: Dimensions, Class 8502

7.00 178

2.67 68

2.67 68

5.00 127

Front View Shown Without Cover Plate and Overtravel Gauge

3.60 91

Coil Interlock

6.13 156

Auxiliary Interlock

5.22 133 Line Term.

12.90 328 Term. Holes

12.50 318

7.28 185

13.99 355

8.94 227

6.63 168

Overtravel Gauge

1.28 33

2.50 64

2.50 64

5.09 129 Load Term.

1.44 37

1.44 37

5.96 151

2.63 67

2.63 67

1.45 37

3.72 94

4.63 118

7.90 201

7.90 201

5.93 151

Type WF Size 4

Type WG Size 5

Type WH Size 6

For How to Order Information, see page 16-28.

16-44

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