Thermal Relay Delay Characteristic Test Bench - High-Accuracy, Stable Performance from China Suppliers and Factory

The Thermal Relay Delay Characteristic Test Bench is a specialized testing system used to evaluate the overload delay protection characteristics of thermal overload relays.
Thermal relays play a critical role in motor protection by responding to prolonged overload conditions with a defined time delay, preventing motor damage caused by overheating.

This test bench simulates continuous overload currents and precisely measures the tripping time of thermal relays under specified current multiples. It supports various relay types, current ranges, and trip classes, enabling accurate verification of relay performance.

The system integrates stable current injection, precise timing measurement, and automated data recording, ensuring reliable and repeatable results. It fully complies with IEC 60947-4-1, making it suitable for production testing, quality control, and type testing laboratories.

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.

• Specialized in low-voltage electrical automation equipment
• Extensive experience in low-voltage electrical testing solutions
• Strong customization capability based on customer standards
• Reliable technical support and long-term service commitment

• QWhat is the purpose of a thermal relay delay characteristic test bench?
  AIt is used to verify the overload delay tripping behavior of thermal relays, ensuring proper motor protection under prolonged overload conditions.
• QWhich standards does this test bench comply with?
  AThe system complies with IEC 60947-4-1 and corresponding national standards.
• QCan different thermal relay trip classes be tested?
  AYes. The test bench supports testing of various trip classes, such as Class 10, 20, and 30.
• QCan test results be exported?
  AYes. Test data can be recorded, stored, and exported for quality traceability and reporting.
• QHow much does the Thermal Relay Delay Characteristic Test Bench cost?
  APricing depends on current range, test class configuration, and customization requirements. Please contact us for a tailored quotation.
• QIs on-site installation and operator training available?
  AYes. Professional engineers are available for on-site installation, commissioning, and operator training to ensure your team can operate the equipment independently.