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Decoupler

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brand: LZZ
price: 面议
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Delivery term: The date of payment from buyers Deliver within days
seat: Asia-Pacific China
Validity to: Long-term effective
Last update: 2016-09-12 07:56
Browse the number: 183
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Product details

Specifications

LZA-35T, 40T, 63T
Application range
LZA-Tseries decouplers are connected in series on the low voltage power system of nominal voltage below 500V which is used to increase the wire inductive reactance offset the shortage of wire length and coordinate the adaptation among surge protector of different specification The typical application is that the class B and class C surge protection devices installed in the same power distribution cabinet When the length between voltage switching protector and voltage limiting protector is less than 10m or the length between limiting protectors is less than 5m the decoupler should be added between the different class protectors As the decoupler is connected in series in the circuit we should choose the suitable decoupler according to the load current in the circuit option from standard IEC61643 1 and GB50343
Main structure and work principle.
The decoupler has excellent inductive characteristics against transient high energy lightning current and ensure the surge protection device reliable action when the lightning strike occurs if there are some surge protection device in circuit they will interact each other that mean the energy should be balanced between protectors in parallel connection the result of balance is that when a surge voltage occur arising from lightning strike the protector class B will reliably response and take the high energy away in order to protect other protectors class C or class D
Main technical data
Type
LZA-35T
LZA-40T
LZA-63T
Norminal AC load current IL
35A
40A
63A
Norminal working voltage Un V
500
Nominal inductance Ln
15μH ±20%
7.5μH±20%
DCresistance
<3mΩ
Enclosure material and color
enhanced flame retardant nylon
(light gray ,flame retardancy:V0)
Cross-sectional area
≥10mm2 stranded/flexible

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