Circuit Breaker Analyser · Test & Measurement
CBA-III
Intelligent, multi-function circuit breaker analyser for vacuum, SF6 and oil switches — measures timing (up to 12 contacts), reclosing sequences, speed, travel/over-travel, coil current and action voltage.
Timing: 12 contactsReclose O-CO-OC / O-CO-OSpringing test
Speed to 20.00 m/sTravel & over-travelCoil current waveforms
Action voltage DC30–250 V / 20 AAnti-interference designPortable 9 kg
Key features
Timing (12 contacts)
Open/close times, in‑phase & out‑phase synch, fixed times.
Reclosing sequences
Close‑Open (C‑O), Open‑Close (O‑C), O‑C‑O with process times.
Springing & rebound
Closing springing time/counts and rebound magnitude per pole.
Speed analysis
Instant, max speed and time‑range characteristic curves.
Travel & range
Total travel, over‑travel, overriding, rebound magnitude.
Coil current & action voltage
Opening/closing coil current and automatic low‑voltage action test.
Where the CBA‑III excels
MV/HV switchgear testing
Vacuum, SF6, and oil circuit breakers in substations and plants.
Commissioning & maintenance
Baseline timing/speed profiles and periodic audits.
Troubleshooting
Identify slow mechanisms, bounce, and coil issues via waveforms.
Field portability
Compact 9 kg form factor with anti‑interference design.
Ranges & key specifications
| Parameter | Specification |
|---|---|
| Input power | AC 220 V ±10%, 50 Hz ±10% |
| Environment | −10 to 40 °C; ≤80%RH; 86–106 kPa |
| Insulation resistance | > 2 MΩ |
| Dielectric strength | 1.5 kV (power to chassis), 1 min, no flashover/arcing |
| Timing range | 0–4000.0 ms; 0.1 ms resolution; error <100 ms: 0.1 ms ±1d; >100 ms: 0.1% ±1d |
| Speed range | 0–20.00 m/s; 0.01 m/s resolution; error 0–2 m/s: ±0.1 m/s ±1d; >2 m/s: ±0.2 m/s ±1d |
| Travel measurement | Vacuum: −50.0 mm/0.1 mm; SF6: 0–300.0 mm/1 mm; Oil‑min.: 0–600.0 mm/1 mm; error 1% ±1d |
| Coil current | Range 0–20.00 A; 0.01 A resolution |
| Action voltage source | DC 30–250 V digitally adjustable / 20 A (instantaneous) |
| Dimensions / weight | 360 × 280 × 300 mm; 9 kg |
See datasheet for full specifications and conditions.
What’s in the box
Standard accessories
- Measurement leads & clips
- Travel/speed sensor kit (model‑dependent)
- Power cable
- Soft carrying case
- User guide (digital)
Exact items may vary by configuration.
Optional accessories
- Additional travel transducers
- Clamp‑on current sensors
- PC software & USB cable
Please contact for options and part numbers.
Safety & Compliance
IEC
Dielectric withstand 1.5 kV, 1 minute, no flashover or arcing
INS
Insulation resistance > 2 MΩ
Downloads & Resources
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