240 Volt — Double Throw Safety Switches

Class 3110

Double-Throw Safety Switches

240 V Double Throw Safety Switches

System

Amperes

Current
Series

NEMA Type 1

NEMA Type 3R

NEMA Type 4,4X,5
304 Stainless Steel

NEMA Type 12
Gasketed

Horsepower Ratings   [1] [2]

240 Vac

250 Vdc [3]

Std.

Max.

Cat. No.

Cat. No.

Cat. No.

Cat. No.

Fusible—2P, 240 Vac—250 Vdc

100

F

DT223

DT223RB

 7.5

15   [4]

15

30   [4]

20

Fusible—3P, 240 Vac—250 Vdc

30

F

DT321

DT321RB

1.5 [5]

 3   [4]

 3 [5]

 7.5   [4]

 5

60

F

DT322

DT322RB

3 [5]

 7.5   [4]

10 [5]

15   [4]

10

100

F

DT323

DT323RB

7.5 [5]

15   [4]

15 [5]

30   [4]

20

Non-Fusible—2P, 240 Vac—250 Vdc

60

F

DTU222

10

10 [6]

100

F

DTU223

DTU223RB

15

20 [6]

30

T4

92251 [7]

200

E

82254

DTU224NRB   [7] [8]

H82254

15

400

A

DTU225

DTU225R

50

Non-Fusible—3P, 240 Vac—250 Vdc

30

F

DTU321

3 [4]

  5 [5]

10 [4]

 5 [6]

60

F

DTU322

10 [5]

15 [4]

10 [6]

100

F

DTU323

DTU323RB

15 [5]

30 [4]

20 [6]

30

T4

92351 [7]

200

E

82354 [7]

H82354 [7]

15

200

E

DTU324N [7] [8]

DTU324NRB [7] [8]

15

400

A

DTU325

DTU325R

125

50

600

A

DTU326  

DTU326R

125

50

Non-Fusible—4P, 240 Vac

30

T4

92451 [7]

200

E

82454    [9]

82454R   [9]

H82454   [10]

15  [10]

600

A

DTU426

DTU426R  

125

50

Footnotes

  1. The starting current of motors or more than standard horsepower may require the use of fuses with appropriate time delay characteristics.
  2. Std.—Using fast acting one time fuses. Max.—Using dual element time delay fuses.
  3. For switching dc, use two switching poles.
  4. If used on corner grounded delta systems, install neutral and use outer switching pole for ungrounded conductors. See data bulletin 2700DB0202 for additional information.
  5. Use outer switching poles.
  6. Maximum rating.
  7. 240 Vac only. Not Vdc rated.
  8. Neutral included with device.
  9. 240 Vac, 250 Vdc.
  10. Hp rating applies only to H82454.

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