Joslyn Clark USAVAC Low & Medium Voltage Technical Specifications

Engineering Data USAVAC - Low & Medium Voltage

A

Vacuum Contactor & Starter Ratings 200V-3600V

Standards NEMA ICS 2-1988, UL 508 (1.5KV), CSA 22.2 (1.5KV), IEC 158-1, BS 547-1

600A
VC77U03615
VC77U03636

1

600

6000
6000

6000

9000
7000

6

6

.55A

.9A

600A

1900VA/17MS

18VA

90V

When Required

500VA

24lbs. (11kg.)

177/8"x77/16x77/8"

450x189x200mm

UL/CSA 1500V
UR/CSA 3600V

Catalog No. 3 Pole

1.5KV

3.6KV

Power Ratings

Rated Insulating and
Operational Voltage
Rated Operational Current
Rated Frequency
Making Current
Breaking Current
Dielectric Strength/BIL.
Interrupting Current
Withstand Current
Short Time Current -

Mechanical Life
Electrical Life at Rated
Current - AC3 Duty
Switching Frequency
Chop Current

1 Sec.
2 Sec.

Mean
Max.

Control Ratings

Description
Rated Control Voltage
Allowable Fluctuation

Closing Power VA/Duration
Holding Power
Opening Time Ave.
Closing Time Ave.
Pick up Voltage
Drop Out Voltage
Recommended
Control Transformer

Application Conditions

Installation
Altitude without Derating
Ambient

Vibration/Shock
Weight 160/320A
Dimensions

Storage
Operating

160A
VC77U03415
VC77U03436

160

1600
1600

6KV-1 min. / 45KV. 1.2 X 50 Micro/Sec.

4400

5000
3000

160/320A

950VA/17MS

9VA

When Required

250VA

12lbs. (5.45kg.)

87/8" x 77/16 x 77/8"

225 x 189 x 200mm

Control Diagram

320A
VC77U03515
VC77U03536

1500/3600

320

50/400Hz

3200
3200

5000

30KA-3Hz

7000
5000

2 x 10

1 x 10

600/hr every 6 seconds

120/240V 50/400Hz

+10% of rated

-25% voltage

90 MS at 60Hz
17 MS at 60Hz

70% or less

All Planes contactor only

Up to 6600 ft. (2000m)

-650F (-540C) +1600F (710C)

-400F (-400C) +1350F (570C)
40Hz - 2G/30G

1000A
SVC77U031015
SVC77U031036

1000

6000
6000

6000

11000

9000

1000A

2850VA/17MS

27VA

When Required

750VA

36lbs. (16.36kg.)
265/8"x77/16x77/8"

676x189x200mm

Technical Specifications

Open Type
USAVAC Starter Size 5

Accessories & Options:

1. Mechanical Interlocked contactors
available, pages A22/23.

2. Vacuum starters in combination and
non-combination forms are available
in NEMA 1, 3, and 12 enclosures on,
pages A24, 26 & 27

3. Terminal Lug Kits, page A36.

4. Suppressor Kits, page A36.

For KW Rating Multiply HP Ratings by .746
(example: 100HP x .746 = 75KW)

Power Application Ratings

Motor HP

Volts

160A 320A 600A 1000A

230

60

125

200

460

125

250

500

1000

300

600

1200

1500

420

850

1600

2300

600

1250

2400

3300

960

1920

3700

Transformer Load KVA
160A 320A 600A 1000A

Volts

133
255
554
850
1330
1820

100
190
415
620
1000
1365

250
500
1000
1500
2500
3400

180
360
750
1125
1875
2550

66

230

127

460
1000

277
415

1500

665

2300
3300

910

Capacitor Load KVAR

Volts

160A 320A 600A 1000A

230

50

460

95

1000

205

1500

310

2300

500

3300

700

Note:

1. 3600V model has a B.I.L. rating of 45KV and an interrupt
rating of 4000A.

2. Motor applications ratings are limited to 1000A continuous
with maximum LRC of 6000 ampere.

2

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415
746
1730
2600
4150
5700

310
595
1300
1450
3110
4275

A30