SE Digest 178

Flange Mounted and Cable Operated

Accessories, Disconnect Switches Class 9422 / Refer to Catalog 9420CT9701

www.se.com/us

8 OPERATING MECHANISMS AND DISCONNECT SWITCHES

Table 8.84: Dimensions 30, 60, and 100 A Class 9422 Disconnect Switches Switch Type Maximum Voltage FuseType Dimension A Dimension B

30A, 250V 30A, 600V 30A, 600V 60A, 250V 60A, 600V 60A, 600V 100A, 250V 100A, 600V 100A, 600V

H, K,R H, K,R

1.625

4.25

30A

J

1.625

—

H, K, R H, K,R

2.25 4.75

60A

J

1.625

H, K,R H, K, R

3.25 5.25 3.25

100A

—

J

F

0.38 10

C

0.38 10

Disconnect Device

ON

A E

OFF

Non Fused and Circuit Breaker

0.38 10

D

D isconnect D e v ice

Fused

(2) 0.38 Dia. Mounting Holes 10 (For back panel support if necessary.)

Table 8.85: Dimensions

E in. (mm) Fusible Device

Min. Enclosure Depth [19] in. (mm)

F in. (mm)

A in. (mm)

C in. (mm)

D in. (mm)

Type

BTCN, BTDN, BTEN

8.00 (203) 10.00 (254) 12.00 (305)

—

— 6.56 (167)

—

—

1.88 (48) 3.88 (99)

8.56 (217) 9.50 (241)

11.88 (302)

6.38 (162)

BTCF, BTDF, BTEF 9.50 (241)

TFB1 — 13.19 (335) NOTE: Back panel support is recommended for Types TFB1, 2, & 3. Other devices may also require support if the flange is not sufficiently rigid. 11.50 (292)

[19] The minimum enclosure depth is greater than Dimension D since additional space is needed when mounting the mechanism.

8-36

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