Dual Canopy Mechanic Electrical Engineering Co., Ltd. is one of the leading manufacturers and suppliers of sf6 vacuum circuit breaker test set in China. Please feel free to wholesale discount products for sale here and get quotation from our factory. Customized orders are welcome.
Why is it necessary to introduce SF6 Vacuum Circuit Breaker Test Set?
Engineered for Precision. Built for the Field.
The SF6 Vacuum Circuit Breaker Test Set (also known as a High-Voltage Circuit Breaker Analyzer) is a multi-functional, field-portable testing instrument designed to evaluate the mechanical characteristics and electrical performance of SF6 gas-insulated and vacuum circuit breakers rated from 10 kV to 550 kV.
This instrument simultaneously measures switching time (opening/closing), travel curves, average/instantaneous velocity, opening/closing coil current, contact bounce, and overtravel/rebound - providing a complete diagnostic profile in a single test cycle.
Where This Equipment Is Used?
| Application Scenario | Description |
|---|---|
| Substation Commissioning | Verify mechanical timing and travel characteristics of newly installed 110 kV–550 kV SF6 breakers before energization. Ensures compliance with manufacturer specifications and grid codes. |
| Scheduled Preventive Maintenance | Utility maintenance teams use this device during periodic outage windows (typically every 5–8 years per IEC recommended intervals) to detect contact wear, dashpot degradation, or operating mechanism fatigue. |
| Post-Fault Diagnostics | After a breaker trips on fault current, this tester verifies whether the interrupter's mechanical integrity is preserved - critical for determining if the breaker can be returned to service safely. |
| Manufacturing Quality Control | Circuit breaker OEMs and assembly plants use this test set at end-of-line QC to validate that every unit meets type-test parameters before shipping. |
| Third-Party Testing Laboratories | Independent labs and certification bodies (e.g., KEMA, CESI) use similar analyzers for type testing and certification audits. |
| Training & Education | Engineering universities and utility training centers deploy this instrument for hands-on switchgear testing courses. |
What Sets This SF6 Vacuum Circuit Breaker Test Set Apart?
Dynamic Travel & Velocity Analysis
Real-time graphical display of contact travel curves (S-t diagram)
Automatic calculation of:
Average closing/opening velocity (per IEC 62271-100 definitions)
Instantaneous velocity at contact touch/separation
Overtravel, rebound, and contact wipe
Damper performance envelope
Built-in DC Power Supply for Coil Operation
Integrated adjustable DC supply: 30V–250V DC, 20A peak
Enables independent breaker operation without external control power
Supports O, C, O-C, C-O, O-C-O duty cycle sequences per IEC/IEEE protocols
How can we maximize the lifespan of our equipment?
| Maintenance Task | Frequency | Procedure |
|---|---|---|
| Visual Inspection | Before each use | Check cables, connectors, and sensor for visible damage. Inspect display screen for cracks. |
| Connector Cleaning | Monthly (if used frequently) | Clean all contact pins and sockets with isopropyl alcohol and lint-free cloth. Prevents contact resistance buildup. |
| Calibration Verification | Annually | Send unit to our service center or use a known reference standard to verify timing and displacement accuracy. |
| Battery Check (if equipped) | Every 6 months | Charge internal lithium battery fully. If capacity drops below 80%, replace battery pack (user-replaceable module). |
| Firmware Update | As released | Check partner portal for new firmware versions. Update via USB. |
| Sensor Cable Inspection | Before each use | Displacement sensor cables are the most mechanically stressed components. Check for kinks, fraying, or connector looseness. Replace if damaged. |
| Storage | When not in use | Store in the provided carrying case, in a dry environment (10–30°C, <70% RH). Remove batteries if storing for >3 months. |
What kind of after-sales support and warranty services are provided?
| After-Sales Item | Policy |
|---|---|
| Warranty Period | 12 months from date of shipment (extendable to 15 months for orders ≥ 50 units) |
| Warranty Coverage | All manufacturing defects in materials and workmanship. Includes free replacement of defective components (shipping included during Year 1). |
| Response Time | Technical support response within 8 hours during business days (UTC+8). Critical issue escalation within 2 hours. |
| Remote Diagnostics | Our engineers can remotely troubleshoot via video call + screen sharing of PC software logs, resolving 80%+ of issues without physical return. |
| Spare Parts Availability | Key replacement parts (sensors, cables, fuses, battery packs) maintained in stock. Shipped within 48 hours of request. |
How to verify the accuracy of the SF6 Vacuum Circuit Breaker Test Set?
|
Time measurement range |
250-4000ms |
Resolution is 0.1ms Resolution is 1ms |
The error is 0.1ms±1 The error is 1ms±1 |
|
Speed |
20.00m/s |
Resolution: 0.001m/s |
The error is 0.1ms±1 |
|
Current |
20A |
Resolution: 0.01A |
The error is 1%±0.1A |
|
Closing resistor |
50-2000Ω |
Accuracy 0.5%rdg±1Ω Accuracy 1%rdg±1Ω |
Resolution is 1Ω |
|
Output Power |
DC5-270V digitally adjustable 20A (instantaneous operation) |
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Itinerary |
0-1000 (mm) resolution 0.1 error 1% ± 1 |
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Size |
Mainframe: 360x390x170 (mm) Wire box: 425x335x210 (mm) |
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Weight |
Main unit: 5.5KG Wire box: 8KG |
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Our address
Baoding Cloud Center, Hebei, China
Phone Number/whatsapp
+8613603329412
dylan@dualcanopy.com
FAQ
Q1: What types of circuit breakers can this test set analyze?
A: This instrument is compatible with virtually all high-voltage circuit breaker types, including:
SF6 gas circuit breakers (live-tank and dead-tank designs, single-break and multi-break)
Vacuum circuit breakers (medium voltage, 10–40.5 kV)
Oil circuit breakers (bulk oil and minimum oil types)
Q2: What is the minimum order quantity (MOQ) for wholesale, and do you offer OEM/private-label options?
A: Our standard MOQ for wholesale pricing is 5 units. For first-time partners evaluating market potential, we can discuss sample orders of 1–2 units at a slightly adjusted price.
Q3: Can this test set be used for both SF6 and vacuum circuit breakers, or do I need separate instruments?
A: One instrument covers both. The fundamental measurements - timing, travel, velocity, coil current - are identical in principle for SF6 and vacuum breakers. The key differences lie in the breaker's mechanical dimensions and operating characteristics, which are handled through our software configuration profiles, not hardware changes.
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