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UL Listed Withstand and Close-On Ratings - Series 7000 Soft Load

Switch Rating ( Amps)

UL 1008 Withstand and Close-On Ratings at 480 Volts AC

Short Time Withstand Ratings(4)

Transfer Switches

Bypass Switches

Current - Limiting Fuse Rating

 Max. Fuse Type

Specific Breaker Rating

"Any" Breaker(3) Rating

amps

types

30

-

100,000

60

J

10,000

10,000

N/A

70, 100, 150

-

200,000

200

J

22,000

10,000

N/A

260, 400

150, 260, 400

200,000

600

J

42,000

35,000

N/A

600, 800, 1000, 1200

600, 800

200,000

1600(6)

L

65,000

65,000

36,000(5)

-

1000, 1200

200,000

2000

L

85,000

85,000

65,000

1600, 2000(7)

1600, 2000

200,000

3000

L

100,000

100,000

65,000

3000

3000

200,000

4000

L

100,000

100,000

65,000

4000

4000

200,000

6000

L

100,000

100,000

65,000
 
Notes:
  1. All values are available symmetrical RMS amperes and tested in accordance with the withstand and close-on requirements of UL 1008. See publication 1128 for more information on withstand and close-on ratings for ASCO transfer switches.
  2. Application requirements may permit higher withstand ratings for certain size switches. Contact ASCO for guidance if available short circuit current exceeds the WCR ratings shown.
  3. "Any" breaker ratings are based on 1.5 cycles for 30 -150 amp and 3 cycles for 260 - 4000 amps. Applicable to breakers with instantaneous trip elements.
  4. Short time ratings are provided for applications involving breakers that do not have instantaneous trips for systems coordination.
  5. Short time rating applicable to transfer switch design only.
  6. Maximum fuse size limited to 1200 amp for 600 and 800 amp bypass switches.
  7. Optional front connected service limited to 85,000 amps for specific and any breaker rating.
 

Ordering Codes - ASCO Series 7000 Soft Load
To order an ASCO Series 7000 Soft Load Transfer Switch, complete the following catalog number:
7     +     A     +     SLS      +      A    +     3      +     400      +      N      +       5X    +      C  
Product Neutral Code* Phase Poles Amperes

Voltage Code

Options

Cabinet

7

A

Automatic

 SLS

SLB

 Soft Load Closed-Transition

Soft Load W/Bypass-Isolation Switch

 ---

A

C

D

 No Neutral

Solid Neutral

Switched Neutral

Overlapping Neutral

 3

150

C

208

5X

Optional accessories

 

 

C

 Type 1 enclosure

220

 D 220

H

Type 3R secure enclosure

400

 E 230

240

 F 240

800

 L 440  

1000

 M 460

1200

 N 480

1600

 P 550

2000

 Q 575

3000

 R 600
4000
Notes:
  1. Switches rated 30-150, 600-2000 amps available with 2, 3 or either conventional switched neutral (4 poles) or overlapping neutral (optional). For 4 pole applications on switches rated 260 to 400 amps and 3000 to 4000 amps specify overlapping switched neutral (optional). Conventional switch neutral is provided on delayed transition transfer products when specified.
    2.

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