0614CT1701

Masterpact MTZ Minimum Enclosure Sizes

Masterpact MTZ1

Circuit Breaker

Circuit Breaker Enclosure Dimensions

Ventilation Area

(H x W x D)

Top

Bottom

Front Face

mm

in.

mm2

in.2

mm2

in.2

3P

800 to 1600 A (N, H, L1)

463.5 x 330.2 x 241.3

18.25 x 13 x 9.5

5,806

9

5,806

9

800 to 1600 A (L)

1581.2 x 584.2 x 374.7

62.25 x 23 x 14.75

10,645

16.5

10,645

16.5

4P

800 to 1600 A (N, H, L1)

463.5 x 401.3 x 241.3

18.25 x 15.8 x 9.5

5,806

9

5,806

9

800 to 1600 A (L)

1581.2 x 654.2 x 374.7

62.25 x 25.76 x 14.75

10,645

16.5

10,645

16.5

Masterpact MTZ2 / MTZ3

Circuit Breaker

Enclosure Dimensions

Ventilation Area

(H x W x D)

Top

Bottom

Front Face

mm

in.

mm2

in.2

mm2

in.2

mm2

in.2

3P

≤ 2000 A, UL 1066
(ANSI C37.50)

539.8 x 552.5 x 400

21.25 x 21.75 x 15.75

38,460

59.62

22 980

35.62

≤ 3000 A, UL 489

466.6 x 609.6 x 400

18.37 x 24.00 x 15.75

10,720

16.62

10,720

16.62

3200–4000 A
(W-Frame)

787.4 x 552.5 x 400

31.00 x 21.75 x 15.75

38,460

59.62

60,390

93.6

4000–5000 A, UL 1066
(ANSI C37.50)

838.2 x 828.5 x 400

33.00 x 32.62 x 15.75

128,230

198.75

84,190

130.5

4000–6000 A, UL 489

552.5 x 914.4 x 400

21.75 x 36.00 x 15.75

10,720

16.62

10 720

16.62

4P

≤ 2000 A, UL 1066
(ANSI C37.50)

539.8 x 667.5 x 400

21.25 x 26.28 x 15.75

38,460

59.62

22,980

35.62

≤ 3000 A, UL 489

466.6 x 762.0 x 400

18.37 x 30.00 x 15.75

10,720

16.62

10,720

16.62

3200–4000 A (W-Frame)
UL 1066 (ANSI C37.50)

787.4 x 667.5 x 400

31.00 x 26.28 x 15.75

38,460

59.62

60,390

93.6

4000–5000 A, UL 1066
(ANSI C37.50)

838.2 x 1058.7 x 400

33.00 x 41.68 x 15.75

128,230

198.75

84,190

130.5

4000–6000 A, UL 489

552.5 x 1168.4 x 400

21.75 x 45.00 x 15.75

10,720

16.62

10,720

16.62

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