Mitsubishi Electric Power Products, Inc. (MEPPI) Design Quality
- SST ground pads
- Adjustable legs
- Galvanized frame
- Aluminum tanks
- Slip-over BCTs
- Protected linkage and gas system (inside cabinet)
- Optional composite bushings
- Meets ANSI and IEC standards
- Short lead times
MEPPI Technology
- True puffer interrupter
- Fifteen minute contact inspection/change out
- Two-part gas sealing system: EPR-O Rings at all static joints, RTV to seal-out the external environment
- Totally enclosed gas handling system
- Minimal connection interfaces
MEPPI Low Maintenance Advantages
- Two lubrication points and timing test every six years
- 400kA accumulated fault or 2,000 full-load operations before internal inspection
- Easy contact inspection/replacement with bushings in place
- Galvanized support structure, aluminum tanks, three mil cabinet paint
MEPPI Service
- Well-trained field engineers and technicians
- Experienced and capable engineering and manufacturing staff
- Culture of teamwork focused on servicing our customers
- Enthusiastic field sales reps who share this culture
DiamondVac Ratings (Tested to ANSI/IEEE and IEC Standards or Higher)
|
Breaker Type |
70SFMT-32F |
Close and Latch Capabilities |
60kA RMS; 85kA Crest |
| Maximum Voltage |
72.5kV |
Rapid Duty Cycle |
O-0.3s-CO-15sec-CO-50sec-CO |
| Nominal Voltage |
34.5kV-69kV |
Opening Time |
28ms (1.7cycles) |
| Full Load Current |
1,200A, 2,000A, 3,000A |
Closing Time |
100ms (6.0 cycles) |
| Short Circuit Current |
31.5kA Interrupting |
Reclosing Time |
333ms (20.0 cycles) |
| Interrupting Time |
3 cycles |
Gas Pressure |
71psig (5kg/cm2) @ 68 degrees F |
| Frequency |
60Hz |
Rated Altitude |
1,000m (3,300 ft.) |
| Full Wave Withstand |
350kV BIL |
Temperature Range (Standard) |
40-30 degrees C |
| Bushing Creep (Standard) |
1315mm (51.55 in.) |
Min. Temperature w/ Heaters |
-50 degrees C |
| Low Frequency Withstand |
160kV |
Seismic Level |
IEEE 693 (1997) |
| Permissible Trip Delay |
2 seconds |
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