MCCB Short-Time Delay Trip Test Bench by China Suppliers | Reliable Factory Testing Solutions
Equipment Overview
The MCCB Short-Time Delay Trip Test Bench is a professional testing system used to evaluate the short-time delay protection function of Molded Case Circuit Breakers (MCCB).
Short-time delay protection plays a critical role in coordinating protection between downstream and upstream circuit breakers by allowing high current to flow for a limited time before tripping.
This test bench simulates high-magnitude fault currents with adjustable delay time, enabling precise verification of MCCB tripping behavior under short-time protection settings. The system allows accurate control of test current level, delay time, and test sequence, ensuring reliable and repeatable results.
System Configuration
The test bench typically consists of the following systems:
- Control SystemEquipped with an advanced control system and intuitive operation panel, allowing flexible setting of fault modes, test current, and delay time parameters.
- Power Supply SystemProvides stable and adjustable voltage and current output to meet the testing requirements of different types and ratings of circuit breakers.
- Fault Simulation SystemSimulates various fault conditions, including overload, short circuit, and grounding, with precise control of fault current and delay time.
- Data Recording SystemAutomatically records key parameters such as operating time, fault current, and delay cut-off time, generating clear and traceable test data for analysis and evaluation.
- Safety Protection SystemIntegrated with multiple safety protections, including overload, over-temperature, and short-circuit protection, ensuring safe operation during testing.
Technical Specifications
| Parameter | Specification |
| Power Supply | AC 220V ±10%, 50Hz |
| Air Supply Pressure | 0.2 – 0.8 MPa |
| Rated Power | 3-60 kVA per test station |
| Maximum Output Current | Up to 20000 A per station (configurable) |
| Time Display Range | 1 s – 9 h 59 min 59 s |
| Timing Accuracy | ±0.1% |
| Overall Measurement Accuracy | ±1.0% |
| Waveform Distortion | < 3% |
| Insulation Resistance | > 10 MΩ |
After-Sales Service & Support
We are committed to long-term cooperation with full technical support:
✅1-Year Free Warranty: Covers all non-human damages. Replacement and repair included.
✅Lifetime Maintenance Support: We offer lifelong technical assistance and spare parts supply.
✅On-Site Installation & Commissioning: Professional engineers are available to visit your site for setup.
✅Operator Training: On-site or remote training to ensure your team can run the machine independently.
✅Remote Technical Support: Quick response via video call, remote control, Email, WhatsApp, and WeChat.
Why Choose This Test Bench
Why Choose TF Automation
References & Case Studies
Frequently Asked Questions (FAQ)
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