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TECHNICAL SPECIFICATIONS
Measurements
Table 3-1: Measurements
Feature
Input current measuring range
Relative phase angle accuracy
Maximum number of PD measured
Measurement category for signal inputs
Maximum bushing temperature at Bushing
Adaptor
Environmental
Table 3-2: Environmental
Feature
Cabinet operating temperature range
When equipped with multi-master comms
option
Operating humidity range
Maximum operating altitude
Storage temperature range
Minimum ambient temperature for
installation and service activities
Cabinet protection level
Bushing Adaptor protection level
Intellix™ BMT 330 weight
Bushing Adaptor weight
Bushing Adaptor operating temperature
Power
Table 3-3: Power
Feature
AC Power supply requirement
Output relays (quantity 3)
Fuse (one each on Live and Neutral)
MA-017 – BMT 330 Installation Manual – Rev 3.3
Value
2 mA – 200 mA rms, 1% of reading
0.01 deg of angle
200 pulses per cycle (50 to 60 Hz)
CAT III. 5 V AC rms, 200 mA; on each phase
90 °C (194 °F)
Value
−40 °C to +55° C (−22 °F to +131° F)
−20 °C to +55 °C (−4 °F to +131 °F)
5 to 95% RH, non-condensing
2000 m (6500 ft) above sea level
−40 °C to +85° C (−40 °F to +185 °F)
−20 °C (−4 °F)
IP55
IP66
20 kg (44 lb)
350 gm (0.8 lb), typical
−40 °C to +90 °C (−40 °F to +194 °F) at
Bushing Tapping Point
Value
100 to 240 V AC, 50 to 60 Hz, 1.24 to 0.41 A
Single Phase Change Over (SPCO),
Maximum Rating (resistive load):
2 A @ 240 V AC, 2 A @ 30 V DC
10 × 38 mm time delay 500 V, 3 A
4-Mar-22
Page 8 of 69
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