Energy Guide

3-26
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Double Throw Safety Switches 240 Volt — Double Throw Safety Switches
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Class 3110 / Refer to Catalog 3100CT1602
Double-Throw Safety Switches
Table 3.46: 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. 1Ø 3Ø 1Ø 3Ø
Fusible—2P, 240 Vac—250 Vdc
Line
Line
Load
100 F DT223 DT223RB — — 7.5
15 [4]
15
30 [4]
20
Fusible—3P, 240 Vac—250 Vdc
Line
Line
Load
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
Line
Line
Load
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
Line
Line
Load
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
600 V Double Throw: page 3-27
Accessories: page 3-28
Application Data: Application Data, page 3-30
Dimensions, 30–100 A (Series F): page 3-32
Dimensions, 30, 200–600 A (Series E, T4, A): page 3-33
3
SAFETY SWITCHES
[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.
9/13/2019