Jtec489 10kA MCBs

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Techna’s Jtec489 10kA Miniature Circuit Breakers (MCBs) are UL Listed as UL 489, File E255530, as a Branch Circuit Breaker and is therefore able to be used to protect a branch circuit without a backup device. Many applications and other UL Standards insist upon the use of a Branch Circuit Breaker, as opposed to a Supplementary Protector, so if you use the Jtec489, you will be covered. Our Jtec489 range also offers maximum performance at excellent prices.

Our range of Jtec489 10kA Branch Circuit Breakers are available in 1 to 4 pole, in a wide range of current ratings from 0.2A to 63A, are offered in trip curves Z (very quick), B (quick), C (medium), K (motor) and D (long delay) and suitable for mounting on DIN-Rail. A range of accessories are also available for the Jtec489.

Jtec489 10kA MCBs Technical Specification

Short Circuit Capacity: 10kA
Number of Poles: 1, 2, 3 or 4
Current Range: 0.2A - 63A
Rated Voltage AC: 230 / 400 Vac (EN 60898), 480 / 277 Vac (UL 489, up to 32A), 240 Vac (UL 489, up to 63A)
Rated Voltage DC: N/A (Please see our Jtec489 DC 10kA MCBs)
Frequency Range: 50Hz - 60Hz
Trip Curves: Z, B, C, K and D
Mounting: DIN-Rail
Ambient Operating Temperature: -25°C to 60°C
Electrical Life: 6,000 Cycles ON/OFF
Mechanical Life: 100,000 Cycles ON/OFF
Protection Degree: IP20 at Front
Cable Size: 1mm2 - 25mm2
Terminal Tightening Torque: 2.8Nm
Standards: UL 489, EN 60898/EN 60947-2

Jtec489 10kA MCBs Accessories

We also offer various accessories for our Jtec489 branch circuit breakers, such as add-on Auxiliary Contacts, a Neutral Pole, a range of Shunt Trips and Undervoltage Release in various voltages, ON/OFF Lock Adapters and Front Mount Adaptors.

For more information on our Jtec489 Series of 10kA Branch Circuit Breakers, click here to download a pdf datasheet.

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