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Item
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Inverse type
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Instantaneous type
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Overcurrent
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Operating value
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100% of the current SV (SE-[][]EN)
115% of the current SV (SE-[][][]N) |
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Operating time
characteristics
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Inverse time both at starting and during operation |
Fixed time at start-up and instantaneous during operation |
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Operating time
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For an overcurrent of 600%:
-Time scale × 1: 1 to 10 s
-Time scale × 4: 4 to 40 s
For an overcurrent of 200%:
-2.8 × t, where t is the time at 600%
-overcurrent. (time SV at max.: 10 s or 40 s)
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In fixed time mode (start-up mode) with an
overcurrent of 600%:
-Time scale × 1: 1 to 10 s
-Time scale × 4: 4 to 40 s
In instantaneous mode:
-0.5 s max. at 140% overcurrent
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Initial current in
start-up mode
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--- |
Operates when the current is about 30% of the set current |
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Inertial characteristics
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At the min. current SV and max. time SV, will not
operate for 80% of the operating time for a 600%
overcurrent. |
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Open-phase
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Operating value: Less than 50% of the current SV (at open-phase)
Operating unbalance: At high sensitivity (H): 35 ±10%; At low sensitivity (L): 65 ±10%
(The unbalance for a max. 3-phase current equal to the current SV)
Operating time: At high sensitivity (H): 2 s max.; At low sensitivity (L): 3 ±1 s
(Open-phase current equal to the current SV)
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Reverse-phase
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Operating value: 80% max. of the rated voltage
Operating time: 0.5 s max. at the rated voltage |
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Overcurrent SV accuracy
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Operating value: ±10% of max. current SV
Operating time: +10/-5% of max. time SV (at a time SV: 1), +10% of max. time SV (at a time SV: 2 to 10)
(start-up lock) |
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Influence of temperature
(overcurrent)
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Operating value: ±5% for 0 to 40°C; ±10% for -10 to 50°C
Operating time: ±10% for 0 to 40°C; ±20% for -10 to 50°C (start-up lock) |
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Influence of frequency
(overcurrent)
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Operating value: ±3% for a frequency fluctuation of ±5%
Operating time: ±5% for a frequency fluctuation of ±5% (start-up lock) |
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Influence of voltage
(overcurrent)
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Operating value: ±3% for a voltage fluctuation of +10/-15%
Operating time: ±5% for a voltage fluctuation of +10/-15% (start-up lock) |
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Insulation resistance
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10 MΩ min. between the entire electric circuits and the mounting panel
5 MΩ min. between contact circuits, or between contacts of same pole |
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Withstand voltage
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Refer to the table below. |
Lighting impulse
withstand voltage
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6000 V max. between the entire circuits and the mounting panel
4500 V max. between contact circuits, or across contacts
Waveform: 1.2/50 μs |
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Overload capacity
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Motor circuit: 20 times the current SV for 2 s, applied twice with a 1 min interval
Control voltage: 1.15 times the rated control voltage for 3 hrs |
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Life Expectancy
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10,000 operations min. (non-conducting contacts) |
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Vibration resistance
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Malfunction: 10 to 55 Hz, 0.3-mm double amplitude each in 3 directions for 10 minutes
Destruction: 10 to 25 Hz, 2-mm double amplitude each in 3 directions for 2 hours |
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Shock resistance
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Malfunction: 98 m/s2 (approx. 10G) each in 3 directions
Destruction: 294 m/s2 (approx. 30G) each in 3 directions |
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Test button operation
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Operated quickly (without lighting the LED) |
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Ambient temperature
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Operating: -10 to 60°C (with no icing)
Storage: -25 to 65°C (with no icing) |
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Ambient humidity
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Operating: 35% to 85% |
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Altitude
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2,000 m max. |
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Weight
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Approx. 170 to 230 g |
Item list of SE
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