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Differential automatic switch (difavtomat) NBH8LE-40 is designed to protect electrical circuits of alternating current with a frequency of 50-60 Hz and voltage of 230/400 V against earth leakage, as well as overload and short-circuit currents. The differential automatic device is used to protect people from electric shock when in contact with live parts, as well as to protect equipment from fires due to a breach of wiring insulation.
Options:
Rated operating voltage, Uе, V AC 230/400
Rated mains frequency, Hz 50/60
Rated operational current, In, A 16
Leakage current, I∆n, mA 30
AC type
Response time, sec≤ 0.1
Nom. differential breaking current, I∆m, A 500
Short-circuit protection characteristic C
Rated conditional short-circuit current Inc, kA 4.5
Electrical durability, cycles (On-Off), not less than 4000
Mechanical durability, cycles (On-Off), not less than 20,000
Number of poles 1P+N
Breaker protection class IP20
Maximum cross-section of the connected wires, mm² 16
Tightening torque of terminal clamps, Nm 2
Operating temperature range, ˚С -25 ...+40
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.