ROCKWELLMotor protection circuit breaker

140G-JC6I3-D15-KJ

Name: 140G-JC6I3-D15-KJ
Brand: ROCKWELL
SKU: 140G-JC6I3-D15-KJ

The Allen Bradley 140G-JC6I3-D15-KJ is a high-performance molded case circuit breaker designed for 3-pole applications, providing up to 250A current rating and 65kA interrupting capacity at 480V AC.

Product Model140G-JC6I3-D15-KJ

Product ID107287

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Interrupting CapacityThe 140G-JC6I3-D15-KJ boasts an impressive interrupting rating of 65kA at 480V AC, ensuring reliable protection against short circuits.
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2. Electronic LSIG ProtectionEquipped with electronic LSIG (long and short time) protection, this circuit breaker offers high instantaneous and ground fault protection.
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3. Versatile ApplicationSuitable for a wide range of industrial applications, including those requiring 3-pole configurations up to 250A.
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4. Compact DesignWith dimensions of 160mm height, 105mm width, and 82.5mm depth, this circuit breaker fits seamlessly into various panel configurations.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Number of poles

Number of auxiliary contacts as change-over contact

With integrated under voltage release

False

Rated short-circuit breaking capacity lcu at 400 V, 50 Hz

70 kA

Integrated earth fault protection

True

Complete device with protection unit

True

5. Certifications and ComplianceMeets international standards including UL 489, CSA C22.2 No. 5, and IEC 60947-2, ensuring global application compatibility and safety compliance.

Rated permanent current Iu

150 A

Type of control element

Toggle

Rated impulse withstand voltage (Uimp)

8 kV

Frame size

125 A

Protection typeâElectronic I (instantaneous trip units)

I3 = 1...10 x In (150...1500)

Electrical life cycle

8000 ops @ 415V AC

Protection typeâElectronic L (long time trip units)

I1 = 0.4...1 x In (60...150), t1 = 3, 12, 36, 60 s

Intermediate point (Irms)

42 kA @ rated current up to 250 A, rated voltage 480V AC

Threshold current (Irms)

10 kA @ rated current up to 250 A, rated voltage 600V AC

Interrupting rating (Irms)

65 kA @ rated current up to 250 A, rated voltage 480V AC

Intermediate point (Ip)

91.1 kA @ rated current up to 250 A, rated voltage 600V AC

Interrupting rating (Ip)

30 kA @ rated current up to 250 A, rated voltage 480V AC

Threshold current (Ip)

14.4 kA @ rated current up to 250 A, rated voltage 480V AC

Threshold current (I2t)

582x103 @ rated current up to 250 A, rated voltage 600V AC

Intermediate point (I2t)

853x103 @ rated current up to 250 A, rated voltage 480V AC

Interrupting rating (I2t)

990x103 @ rated current up to 250 A, rated voltage 600V AC

Protection typeâElectronic G (ground fault trip units)

I4 = 0.2...1 x In (30...150), t2 = 0.1, 0.2, 0.4, 0.8 s

Protection typeâElectronic S (short time trip units)

I2 = 1...10 x In (150...1500), t2 = 0.05, 0.1, 0.2, 0.4 s

Rated service short-circuit breaking capacity (Ics(% Icu)) per IEC 60947-2 rating

100% @ 690V AC, 50/60 Hz

Interrupting rating per UL 489/CSA C22.2, No. 5

65kA @ 480V, 50/60 Hz

Rated ultimate short-circuit breaking capacity (Icu) per IEC 60947-2 rating

70kA @ 500V DC with 3 pole in series, thermal-magnetic trip only

Protection type

Electronic LSIG-long and short time, high instantaneous, ground fault

Motor drive integrated

False

With switched-off indicator

False

Motor drive optional

True

Position of connection for main current circuit

Front side

Type of electrical connection of main circuit

Screw connection

Insulation voltage

Rated 1000V per IEC

Suitable for DIN rail (top hat rail) mounting

False

DIN rail (top hat rail) mounting optional

True

Degree of protection (IP)

IP40

Weight

0.999

Mechanical life operations

25000 /h

Factory option

1 NO/NC auxiliary, 24V AC/DC

Height

160 mm

Device construction

Built-in device fixed built-in technique

Width

105 mm

Depth

82.5 mm

Storage temperature

-40 Â°F

Wire temperature rating

Al or Cu 75 Â°C

Operational voltage (Ue)

90% @ 3000 metre (9840 ft) altitude

Rated uninterrupted current (Iu)

98% @ 3000 metre (9840 ft) altitude

Ambient temperature without derating

104 Â°F

Repairable

NOT_REPAIRABLE

Preferred Availability

false

Quick Turnaround

false

Dimension Height

0.0

Lead Time

Dimension Width

0.0

Dimension Length

0.0

Stock Status

NON_STOCKED

Weight Unit