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

(3) Frame size

1

XT1—to 125A, 480V Thermal magnetic protection

2

XT2—to 125A, 600V Thermal magnetic and electronic protection

3

XT3—to 225A, 480V Thermal magnetic protection

4

XT4—to 250A, 600V Thermal magnetic and electronic protection

(5) Standard

Code

UL 80% rated / IEC dual rated

U

UL 100% rated / IEC dual rated

Q

(4) Interrupting ratings (breaking capacity)

kA at 480V AC

XT1

XT2

XT3

XT4

N

Normal breaking capacity

25

25

25

25

S

Standard breaking capacity

35

35

10

35

H

High breaking capacity

65

65

—

65

L

Extra high breaking capacity

—

100

—

100

(6) Number of poles

Number of lines (wires) the breaker is required to control

(7-9) Nominal current

The maximum current under nominal or rated voltage and power conditions (i.e. 015 for 15A or 125 for 125A)

(10) Trip unit

A

Thermal magnetic fixed (TMF)

B

Thermal magnetic adjustable (TMD/TMA)

D

Molded case switch disconnector

E

Ekip LS/I (Electronic, LS/I protection)

G

Ekip LSIG (Electronic, LSIG protection)

M

Motor circuit protector (MCP - magnetic only, MA/MF)

(16) Key locks

X

None

A

Ronis key lock, open position - A type

E

Ronis key lock, open position - different keys

(17) For future use (X)

(18) Additional certifications

Certification only

3 year warranty

4 year warranty

5 year warranty

No warranty or certification

X

—

—

—

Warranty, no test certification

—

3

4

5

Test certificate provided (in English) E A B C

E

A

B

C

Test certificate provided (in French) F G H J

F

G

H

J

Test certificate provided (in Spanish) S K L M

S

K

L

M

Recommended accessories (Ready to install)

Extended handle spare parts

XT1

XT2

XT3

XT4

RHE_B base for extended handle

KXTBRHEBFP

KXTCRHEBFP

KXTBRHEBFP

KXTCRHEBFP

Standard pistol handle with reset function, 65mm, NEMA 3R,12

OHB65J10B

Standard pistol handle with reset function, 125mm, NEMA 3R,12

OHB125J10B

148mm pistol handle shaft

OXP10X148

225mm pistol handle shaft

OXP10X225

500mm pistol handle shaft

OXP10X500

Flange handles

XT1

XT2

XT3

XT4

Flange handle + mechanism + 4ft cable (NEMA 1, 3R, 12, 4)

KXT1N12FLHDL4

KXT2N12FLHDL4

KXT3N12FLHDL4

KXT4N12FLHDL4

Flange handle + mechanism + 6ft cable (NEMA 1, 3R, 12, 4)

KXT1N12FLHDL6

KXT2N12FLHDL6

KXT3N12FLHDL6

KXT4N12FLHDL6

Flange handle + mechanism + 10ft cable (NEMA 1, 3R, 12, 4)

KXT1N12FLHDL10

KXT2N12FLHDL10

KXT3N12FLHDL10

KXT4N12FLHDL10

Flange handle spare parts

Flange handle only (NEMA 1, 3R, 12, 4)

KXTAN12FLHDL

Flange handle only (NEMA 1, 3R, 12, 4, 4X)

KXTAN4XFLHDL

Flange handle hardware

KXTAFLHDLHW

Flange mounting hardware

KXTBFLMTHW

KXTCFLMTHW

KXTBFLMTHW

KXTCFLMTHW

Padlock on the circuit breaker

XT1

XT2

XT3

XT4

PLL removable lock with padlocks in open position

KXTBPLLREM

—

KXTBPLLREM

—

PLL fixed lock with padlocks in open position

KXTBPLLOP

KXTCPLLOP

KXTBPLLOP

KXTCPLLOP

PLL fixed lock with padlocks in open/closed position

KXTBPLLOPCL

KXTCPLLOPCL

KXTBPLLOPCL

KXTCPLLOPCL

Front for operating lever mechanism

XT1

XT2

XT3

XT4

FLD front for operating lever mechanism

—

KXTCFLDFP fixed, plug in

—

KXTCFLDFP fixed, plug in

KXTCFLDW withdrawable

KXTCFLDW withdrawable

Insulating terminal covers

XT1

XT2

XT3

XT4

LTC low terminal covers

KXT1LTC-3

KXT2LTC-3

KXT3LTC-3

KXT4LTC-3

HTC high terminal covers

KXT1HTC-3

KXT2HTC-3

KXT3HTC-3

KXT4HTC-3

Phase barriers

XT1

XT2

XT3

XT4

PB height 25mm/0.98in

KXTBPB25-3

KXTCPB25-3

KXTBPB25-3

KXTCPB25-3

PB height 100mm/3.94in

KXTBPB100-3

KXTCPB100-3

KXTBPB100-3

KXTCPB100-3

PB height 200mm/7.87in

KXTBPB200-3

KXTCPB200-3

KXTBPB200-3

KXTCPB200-3

Test and configurator units

XT1

XT2

XT3

XT4

Ekip TT — Trip test unit ZEAEKPTT

—

ZEAEKPTT

--

ZEAEKPTT

Ekip T&P — Programming and test unit

—

EKIP

--

EKIP

(11-12) Power terminals (lugs)

Factory assembled

11-Line side termination (top)

12-Load side termination (bottom)

Ready to install

XT1

XT2

XT3

XT4

F

F Front terminals, no lugs installed

F

F

F

F

A

FC Cu terminals for Cu cables (saddle clamps)

KXT1CU-3PC

KXT1CUMCP-3PC

KXT2CU-3PC

KXT3CU-3PC

KXT4CU-3PC

KXT4XCU-3PC

B

FC CuAl terminals for CuAl cables, 14-1/0 AWG,

110A

—

KXT2CUAL1-3PC

—

—

G

FC CuAl terminals for CuAl cables, 14-1/0 AWG,

100A

—

—

KXT3CUAL1-3PC

KXT4CUAL1-3PC

H

FC CuAl terminals for CuAl cables, 14-1/0 AWG,

100A, control tap included

—

—

KXT3CUAL1C-3PC

KXT4CUAL1C-3PC

J

FC CuAl terminals for CuAl cables, 4 AWG-300 kcmil,

225A

—

—

KXT3CUAL2-3PC

KXT4CUAL2-3PC

K

FC CuAl terminals for CuAl cables,4 AWG-300 kcmil,

225A, control tap included

—

—

KXT3CUAL2C-3PC

KXT4CUAL2C-3PC

L

FC CuAL terminals for CuAl cables, 250-350 kcmil,

250A

—

—

—

KXT4CUAL3-3PC

Z

MC multi-cable terminals for Cu (6 wire)

KXT1MC-3PC

KXT2MC-3PC

KXT3MC-3PC

KXT4MC-3PC

1

EF extended front terminals

KXT1EF-3PC

KXT2EF-3PC

KXT3EF-3PC

KXT4EF-3PC

2

ES extended spread terminals

KXT1ES-3PC

KXT2ES-3PC

KXT3ES-3PC

KXT4ES-3PC

(15) Front mount accessories

Factory assembled

Ready to install

XT1

XT2

XT3

XT4

0

None

0

A

Motor operator 24V DC

KXTBMOD24

KXTCMOD24

KXTBMOD24

KXTCMOD24

C

Motor operator 110-125V AC/DC

KXTBMOD110-125

KXTCMOD110-125

KXTBMOD110-125

KXTCMOD110-125

D

Motor operator 220-250V AC/DC

KXTBMOD220-250

KXTCMOD220-250

KXTBMOD220-250

KXTCMOD220-250

G

PLL fixed padlock device in open/closed position

KXTBPLLOPCL

KXTCPLLOPCL

KXTBPLLOPCL

KXTCPLLOPCL

H

PLL fixed padlock device in open position

KXTBPLLOP

KXTCPLLOP

KXTBPLLOP

KXTCPLLOP

J

PLL removable padlock device in open position

KXTBPLLREM

—

KXTBPLLREM

—

K

FLD front for locking operating lever mechanism

—

KXTCFLDFP fixed, plug in

KXTCFLDW withdrawable

—

KXTCFLDFP fixed, plug in

KXTCFLDW withdrawable

L

RHD normal direct handle

KXTBRHDSTFP

KXTCRHDSTFP

KXTBRHDSTFO

KXTCRHDSTFP

N

RHE variable depth mechanism, standard

—

—

—

—

1

Motor operator for use with Modbus 24V DC

(MOE-E) (IEC only)

—

KXTCEMOEE24

—

KXTCEMOEE24

3

Motor operator for use with Modbus 110-125V AC/DC

(MOE-E) (IEC only)

—

KXTCEMOEE110-125

—

KXTCEMOEE110-125

(13) Left mount accessories—right side

Factory assembled

Ready to install

13-Internal accessories—right side

XT1

XT2

XT3

XT4

0

None

0

A

SOR shunt trip 12V DC

KXTASORCFPA

B

SOR shunt trip 24-30V AC/DC

KXTASORCFPB

D

SOR shunt trip 110-127V AC / 110-125V DC

KXTASORCFPD

E

SOR shunt trip 220-240V AC / 220-250V DC

KXTASORCFPE

G

SOR shunt trip 480-525V AC

KXTASORCFPG

Z

AUX 3Q 250V AC/DC (not available for withdrawable)

KXT1AXC3QL

KXTCAXC3QL

KXT3AXC3QL

KXTCAXC3QL

1

UVR undervoltage release 24-30V AC/DC

KXTAUVRCFP1

4

UVR undervoltage release 110-127V AC 110-125V DC

KXTAUVRCFP4

5

UVR undervoltage release 220-240V AC 220-250V DC

KXTAUVRCFP5

7

UVR undervoltage release 480-525V AC

KXTAUVRCFP7

(14) Right mount accessories—right side

Factory assembled

Ready to install

14-Internal accessories—left side

XT1

XT2

XT3

XT4

0

None

0

A

AUX 1Q, 1SY 250V AC/DC

KXTAAXCQSYFP

B

AUX 2Q, 1SY 250V AC/DC (not available for withdrawable)

KXTAAXC2QSYFP

C

AUX 3Q, 1SY 250V AC/DC

—

KXTDAXC3QSYFP

D

AUX 3Q, 2SY 250V AC/DC

—

KXTCAXC3Q2SYFP

—

KXTCAXC3Q2SYFP

E

AUX 2Q, 2SY, 1 S51 250V AC/DC

—

KXTCAXC2Q2SYS51FP

—

KXTCAXC2Q2SYS51FP

F

AUX 1 S51 250V AC/DC

—

KXTCAXCS51FP

—

KXTCAXCS51FP

G

AUX 1Q, 1SY 24V DC

KXTAAXCDQSYFP

H

AUX 3Q, 1SY 24V DC

—

KXTDAXCD3QSYFP

J

AUX 1 S51 24V DC

KXTCAXDS51FP

KXTCAXDS51FP

K

AUX 1Q, 1SY 400V AC

—

KXTCAXC4QSYFP

—

KXTCAXC4QSYFP

L

AUX 2Q 400V AC

—

KXTCAXC42QFP

—

KXTCAXC42QFP

1

Ekip Com

—

—

—

—

Note: All auxiliary contacts can be wired NC (A) or NO (B)

11

12

14

13

15

XT

2

L

U

3

125

G

F

F

0

0

0

X

X

X

(3) Frame size (4) Interrupting

rating

(5) Standard

(6) Number of

poles

(7-9) Amperage

(10) Trip unit type (11) Line side

termination

(12) Load side

termination

(13) Internal accessories

left side

(14) Internal accessories

right side

(15) Front

accessories

(16) Key locks

(17) For future use (18) Additional

certifications

Tmax XT molded case circuit breakers – UL/CSA

Catalog number explanation