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This bench can be customized for any number of fixture stations to accommodate any number of MCCB frame sizes and current ratings for thermal trip current values

MCCB Short Circuit Trip Verification Test Bench (IEC 60947-2 Cl 8.3.3)

Routine Test

This bench is built to test MCCB instantaneous tripping (also known as Short Circuit or Magnetic tripping) as per IEC 60947-2 Cl 8.3.3 and custom based requirements. A speciality of the system is that it includes differently designed systems for two different current ranges (Smaller range for currents < 2000 A and higher range for currents >2000 A) thus ensuring equal reliability, accuracy and regulation for both low current and higher current MCCBs. Specially designed custom built jigs are able to accommodate different types of MCCBs enabling the user to test all kinds of miniature circuit breakers on a single test bench. In addition, the system can be made such that it covers the entire range of MCCBs for production floors producing all ratings of MCCB.

Available in multi-pole testing options

Available in Manual as well as PC based option

Drop down menu in the software to once select the type (rating or calibre) of MCCB: Rest of the test parameters get selected automatically (User can simply jump from one type of MCCB to other instantaneously).

Current setting is instant without any auto transformer movement (Saves time and error due to human handling) for low current (<2000 A) system

Software: NI LabVIEW based for user interface, settings selection, process control & report generation.

Debug / Diagnostic Mode in the software.

Servo Controlled Voltage Regulation ensures stable voltage at the output.

Pneumatic based test jigs for correct contact at terminals.

Contactor based heavy duty switching with indigenized relay based switching circuit for exact Test Ontime.

In built transducers and metering for accurate measurement and display of current and time transients ranging in milliseconds

Generation of Reports in MS Excel format or to Print.

Test results are displayed on monitor and stored against serial number or a bar code.

Exact trip current wave-form (and not a vague band) is displayed on PC.

440 V, 3 phase, 50 Hz input.

Output current programmable up to 10000 A short time (Depending on the model chosen: User can customize the model) for short circuit trip testing of MCB at a conveniently low voltage.

Can test MCCBs of different ratings and different number of poles on a single bench.Test Procedure options: IEC 60947-2 Cl 8.3.3 / customized.

Pressure Required for pneumatic handling: Approximately 8-12 Bar depending on the MCCB size

PC provided: IBM PC / compatible make with NI LabVIEW based Testware TM.

500 VA branded UPS (provided as an optional accessory).

The system can be customized for any number of fixture stations to accommodate any number of MCCB frame sizes and current ratings for thermal trip current values. Additionally, the system can be PC based, PLC based, manual, etc. The user, can, for example have, say x number of stations for a given MCCB rating / frame size and y number of stations for another MCCB rating / frame size.

The product tests all the electrical routine tests as listed for RCCBs of various ratings- excellent low cost option for RCCB routine testing.

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