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Megger B10E AC/DC Voltage Power Supply
  • Megger B10E AC/DC Voltage Power Supply
  • Megger B10E AC/DC Voltage Power Supply

Megger B10E AC/DC Voltage Power Supply

Megger approved distributor and service centre.

Includes: Cable set GA-00032, Transport case GD-00182 & Megger B10E instruction manual.

£7,425.35 Save 3%
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The Megger B10E Power Supply Unit is used to supply voltage to the Circuit Breaker (CB) coils and spring-charging motor during installation and/or field service. Since the high-quality voltage available at the coil outputs is very load-independent, the power supplied resembles what is encountered under normal operating conditions. Circuit breaker functionality thus remains virtually unchanged. B10E enables you to test CB functions easily at the specified voltage levels.

The compact Power Supply Unit Megger B10E provides reliable assistance to those who do maintenance on high-voltage breakers. The control panel's intuitive layout makes it easy to operate, and the built-in thermal cutout and overload protector make it safe to use. The Megger B10E has been developed in collaboration with breaker manufacturers and testing personnel.


Reliable and stable power supply for circuit breaker testing.
Continuously variable 24-250 V AC or DC output.
Separate outputs for close coil, trip coil and spring charging motor voltage.
Direct triggering for minimum trip voltage testing.
Operate with a breaker analyser for efficiency in testing sequence.

Megger B10E Trip Coil Tester Specifications
Application field For use in medium and high-voltage substations and industrial environments.
Operating temperature 0 to 50°C (32 to 122°F).
Storage -40 to +70°C (-40 to +158°F).
Humidity 5% to 95% RH, non-condensing.
LVD 2006/95/EC.
EMC 2004/108/EC.
Mains voltage 115 / 230 V AC, 50/60Hz.
Power consumption 3300W.
Protection Thermal cut-outs, +80°C (+176°F)
Short-circuit protectors at DC outputs.
Display LED.
Measurement - Voltmeter - digital
Range 0 – 300 V DC, 0 – 300 V AC.
Resolution 1 V.
Inaccuracy ±1% of displayed value, DC
±2.5% of displayed value, AC.
Current shunt 5 A / 50 mV ±0.5% (built-in).
Test Lead Set, with 4mm Stackable Safety Plugs 2 x 0.25 m (0.8ft), 2.5 mm²
2 x 0.5 m (1.6ft), 2.5 mm²
8 x 2 m (6.6ft), 2.5 mm².
Dimensions Instrument: 350 x 270 x 220 mm (13.8 x 10.6 x 8.7 inches)
Transport case: 610 x 290 x 360 mm (24.0 x 11.4 x 14.2 inches).
Weight 20.8 kg (45.8lbs)
29.3 kg (64.6lbs) with accessories and transport case.
Megger B10E warranty One year.

Outputs (DC) CAT II
Coil, Closing/Breaking
Output Voltage 24-300 V DC
Load Interval Max 1s (at currents over 50mA)
Ripple 2% peak-to-peak of the preset voltage
No-Load Voltage Current Load Dependency
24 V 10 A <6%
48 V 10 A <3%
110 V 7.9 A <2%
250 V 3 A <2%
300 V 1.25 A <2%
Outputs (AC), CAT II
Coil, Closing/Breaking
Output Voltage 24 to 300 V AC
Load Current Max 5 A
Load Interval Max 30 min
Output DC, CAT II
Output Voltage 24 to 300 V DC (loaded)
Open Circuit Voltage Current Load Voltage Max Load Interval
44 V 18 A 24 V 20s
48 V 12 A 40 V 60s
48 V 18 A 30 V 20s
120 V 12 A 90 V 60s
120 V 18 A 70 V 20s
240 V 6 A 200 V 60s
240 V 9 A 185 V 20s
Max Voltage: Terminals to Protective Earth (Ground)
Terminal Voltage
Coil Closing, AC/DC 300 V AC
Coil Breaking, AC/DC 300 V AC
Motor 250 V AC
Shunt 250 V AC
Trigger Closing 250 V AC
Trigger Breaking 250 V AC


Megger B10E Datasheet

PDF Specifications of the Megger B10E Power Supply Voltage Tester.

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Megger B10E AC/DC Voltage Power Supply
Cable Set Standard Cable Set. GA-00032
Case Transport case. GD-00182

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