TEL-SMART38 - 38kV circuit breaker

The TEL-SMART38 features include:

  • Smart circuit breaker with integrated protection and communication functions
  • New generation of mono-stable magnetic actuators
  • New mechanical structure (independant control of each phase with common mechanical tripping and lockout function)
  • Three combined voltage and current sensors (4 currents and voltages in total) and accurate measurements over the entire range
  • Highest mechanical and electrical endurance world-wide (20 000 Close-Open)
  • Smallest dimensions and weights available on the market (30x24x17 inches, < 190lbs)
  • Smallest power consumtion available on the market (50W only for 10 seconds after closing)
  • Maintenance-free lifetime duration (25 Years)
  • Available as an auto recloser, circuit breaker, sectionalizer or switch

Basic Operating Parameters R~L-GSE
Rated Frequency 50/60Hz
Rated cubicle (auxiliary) supply voltage 85 to 265 V AC/DC
Rated operating sequence 0-0.1s-C0-1s-C0-1s-C0-60s
Degree of protection IP54
Temperature range -40°C to +55°C
Maximum humidity 100 %
Maximum altitude above sea level 2000 m
Vibration endurance (Pole mounted) IEC 60255-21-1 Class 1, test acceleration 1.5g
Vibration response (Pole mounted) IEC 60255-21-1 Class 2
Shock response (Pole mounted) IEC 60255-21-2 Class 1
Bump GOST 17516.1-90, class M7, GOST 16962.2-90
Seismic IEC 60255-21-3 Class 1
Operating time after loss of auxiliary supply , hours, not less: (Without providing power for RTU and USB, without IOM, CPM off)  
  - at +25°C 48
  -  at -40°C 12
  - at +55°C 48
RTU power supply:  
  - voltage range 5 to 15 V, step 0.5 V
  - max output power 15 w
  - max output power at 0.5 duty cycle (range 12-15 V) 30W
Maximum power consumption of RC from auxiliary supply 60W
Weight 29 kg (Battery, IOM and RTU not included)
Dimensions 450x860x390 mm

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