UNIPOLAR & BIPOLAR THERMOSTATS FOR WATER HEATERS

  • Unipolar stemmed type thermostat for single fase voltage bipolar bimetallic safety device with manual reset.
  • Functioning temperature from 20°C to 90°C.
  • Security range setting from 50°C to 120°C for power till 20A 250 Vac.
  • Thermal differential 10°C ±5°C.
  • Lenght of standard stem: 275 mm to 450 mm.
  • Approved as per European Rule EN 60730-1, EN 60730-2-9:2010 and to requirements of the directive
    L.V.D. 2006/95/CE
    .

 

THERMOSTAT “RTR” TYPE

CODE

ASTA-STEM

Ø (mm)   L

FULL SCALE CALIBRATION CURRENT/VOLTAGE
1TERFA 7020 RTR 6            275 70°C ± 5 20 A/250 V
1TERFA 8020 RTR 6            275 80°C ± 5 20 A/250 V

Brass stem

THERMOSTAT WITH BIPOLAR SECURITY “RTD” TYPE

CODE

FUNCTIONING TEMPERATURE

SAFETY CURRENT/VOLTAGE EXT. REGULATION LEVER
2TERFA 6575 RTD 65°C ± 5 75°C 20 A/250 V  /
2TERFA 6590 RTD 65°C ± 5 90°C 20 A/250 V  /
2TERFA 7083 RTD 70°C ± 5 83°C 20 A/250 V  /
2TERFA 8292 RTD 82°C ± 5 92°C 20 A/250 V  /
2TERFA 7083 RTDL 70°C ± 5 83°C 20 A/250 V  x
2TERFA 8292 RTDL 82°C ± 5 92°C 20 A/250 V  x

 

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