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Functions
Overload detection Sampling frequency: 7.8125 kHz (typical)
56
Confirmation cycle : 500 ms (typical)
(sampling: 400 ms (typical); calculation and
judgment: 100 ms (typical))
1. Rating warning
• Indicates that the maximum rated
current is about to be reached.
•
OVERLOAD
• Flashing conditions:
If prescribed level 1 is exceeded
• Prescribed level 1: 4.75 ±0.25 A rms
(DC, 45 to 66 Hz sine wave)
2. Rating exceeded
• Indicates that the maximum rated
current has been exceeded.
•
OVERLOAD
• Flashing conditions:
If prescribed level 2 is exceeded
• Prescribed level 2: 5.25±0.25 A rms (DC,
45 to 66 Hz sine wave)
3. Temperature exceeded
• Detects internal temperature anomalies.
• Set temperature: 80°C (typical)
• Hysteresis: 10°C (typical)
• LED: All flashing except
• Recovery method:
To return to initial state (state at power-
on), remove the device from the
conductor being measured, allow it to
cool off, and press the
ZERO
key.
LED: Red, slow flashing
LED: Red, fast flashing
POWER
DEMAG/AUTO
LED
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