Contact us

ABB

Electrification Products

8155 T&B Boulevard

Memphis, TN 38125

www.abb.com/lowvoltage

Customer Service: 800-816-7809

7:00 a.m. - 5:30 p.m., CST, Monday-Friday

elec_custserv@tnb.com

Technical Support: 888-385-1221, Option 1

7:00 a.m. - 5:00 p.m., CST, Monday-Friday

lvps.support@us.abb.com

Molded case circuit breakers

XT1

XT2

XT3

XT4

Frame size

A

125

125

225

250

Up to 100A

Up to 125A only with ELT and 100% up to 100A TM

Up to 225A(1)

Up to 250A(2)

Poles

[No.]

3, 4

3, 4

3, 4

2 (for N version), 3, 4

Rated service voltage, U

e

(AC) 50-60 Hz

[V]

480V (600Y)

600

480V (600Y)

600

(DC)

[V]

500

500

500

600

Versions

Fixed, plug-in

Fixed, plug-in, withdrawable

Fixed, plug-in

Fixed, plug-in, withdrawable

Interrupting ratings

N

S

H

N

S

H(5)

L(5)

V(5)

X

N

S

N

S

H(5)

L(5)

V(5)

X

Icu at 240 V (AC)

[kA] 50

65

100

65

100

150

200

200

200

50

65

65

100

150

200

200

200

Icu at 480 V (AC)

[kA] 25

35

65

25

35

65

100

150

200

25

35

25

35

65

100

150

200

Icu at 600Y/347 V (AC)

[kA] 18

22

25

—

—

—

—

—

—

10

10

—

—

—

—

—

—

Icu at 600 V (AC)

[kA] —

—

—

18

22

25

35

42

42

—

—

18

22

25

50

65

100/65(3)

250 V (DC) 2 poles in series

[kA] 35

42

50

35

50

65

75

85

85

25

35

35

42

50

85

100

—

500 V (DC) 3 poles in series

[kA] —

—

—

35

50

65

75

85

85

25

35

—

—

—

—

—

—

500 V (DC) 4 poles in series

[kA] 35

50

50

—

—

—

—

—

—

—

—

—

—

—

—

—

—

600 V (DC) 3 poles in series

[kA] —

—

—

—

—

—

—

—

—

—

—

35

50

65

75

85

—

Mechanical life

[No. operations]

25000

25000

25000

25000

[No. hourly operations]

240

240

240

240

Dimensions - fixed

(Width/Depth/Height)

3 poles [in]

3 x 2.75 x 5.12

3.54 x 3.25 x 5.12

4.13 x 2.75 x 5.90

4.13 x 3.25 x 6.3

4 poles [in]

4 x 2.75 x 5.12

4.72 x 3.25 x 5.12

5.51 x 2.75 x 5.90

5.51 x 3.25 x 6.3

Weight

Fixed 3/4 poles [lbs]

2.43 / 3.07

2.65 / 3.53

3.75 / 4.63

5.51 / 7.72

Plug-in (EF) 3/4 poles [lbs]

4.87 / 6.22

5.60 / 7.21

7.14 / 9.04

9.24 / 12.17

Withdrawable (EF) 3/4 poles [lbs]

—

7.32 / 8.91

11.02 / 14.90

Trip units

TMF

•

•

•

•

TMA

•

•

Ekip I(4)

•(4)

•(4)

Ekip LS/I(4)

•(4)

•(4)

Ekip LSI(4)

•(4)

•(4)

Ekip LSIG(4)

•(4)

•(4)

Ekip E-LSIG(4)

•(4)

(1)

Fixed version only

(2)

With F, EF, ES, FCCuAl installation

(3)

100kA up to 150A, 65kA from 175A to 250A

(4)

Not available for XT4 versions

(5)

Current limiting at 480V AC and 600V AC

Motor protection

XT1

XT2

XT3

XT4

Frame size

[A]

125

125

225

250

Poles

[No.]

3

3

3

3

Rated service voltage

(AC) 50-60 Hz

[V]

480V (600Y)

600

480V (600Y)

600

Versions

H

H

S

H

MCP

•

•

•

•

Ekip M-LIU

•

•

Molded case switch

XT1

XT2

XT3

XT4

Frame size

[A]

125

125

225

250

Poles

[No.]

3, 4

3, 4

3, 4

3, 4

Rated service voltage

(AC) 50-60 Hz

[V]

480V (600Y)

600

480V (600Y)

600

(DC)

[V]

500 4ps / 3p up to 250VDC 2ps

500 3ps

500 3ps

600 3ps

Versions

N

S

H

N

H

L

V

N

S

N

S

H

L

V

Magnetic override

[A]

1250

1250

2250

2500

Tmax XT molded case circuit breakers – UL/CSA

Simply XTraordinary