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Haiyan Weijia Electric Technology Co., Ltd.

China Manufacturer with main products: Shunt, Manganin Shunt, Magnetic Latching Relay, Relay

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Three-Phases Magnetic Latching Relay

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1. Three-phases of eclectrical meter
2. Automatic meter reading
3. Automatic control devices
Production Feature
1. High switching capacity
2. Widely used for three-phases switching, high consistency
3. High contact force, low contact resistance, low temperature rise, auxiliary contacts.
Sasic Data
Dimension: 120mm*55mm*25mm
Contact Arrangement: 3A. 3B
Contact Material: Silver Alloy
Max Switching Current: 100A
Max Switching Voltage: 400VAC
Max Switchinfg Power: 44KVA
Specifications Dation:
Coil Rated Voltage: 6~48VDC
Coil Power: Single: 2.5W double: 5/5W
Set Voltage: ≤ 80%
Reset Voltage: ≤ 80%
Voltage Pulse Width: ≥ 50ms
Set/Reset Time: ≤ 30/30ms
Contact Bounce Time: ≤ 5ms
Contact Resistance: ≤ 2mΩ
Insulation Resistance: ≥ 1000mΩ
Dielectric Strength Between Open Contacts: ≥ 2000VAC
Dielectric Strength Between Open Contacts: ≥ 4000VAC
Dielectric Strength Between Contacts Assembly: ≥ 4000VAC
Ambient Temp: -40~+70° C
Life Electricel(Operation): Normally 3*103 Particularly 5*103
Mechanical(Operation): 1*105
We can design to meet customized requirement
Technical points.
1. Magnetic system: The patented technique is a smart and cleverishly designed system which works with the structure of metal spiral-like magnetic shielding system without external electron magnetic interference. What's more, the fast push-pull effort of instaneous operation is fierce. Meanwhile, it owes trusted ability of resisting vibration and impact force as well as steady magnetic lock. The mechanical loss during its linear reciprocating operation is very little.
2. Contact operating system: It has very little mechanical loss due to its reform from inefficient swing-out lever operation to linear reciprocating operation. The use of the two-way flexible gap-free floating operation in its moving contact effectively reduces its contact bounce and extends the using life of contact. The big contact separating brake clearance effectively ensure the safely of the electrical properties; High contact close-brake pressure and lower voltage at rated load(<60mv) and lower temperature conductivity.
3. Magnetic latching relay pulse trigger parameters: The pulse amplitude and width rely on the accurate parts processing. The perfect manufacturing technique effectively ensures the long-term stability of the pulse trigger parameters of the magnetic latching relay.
4. Its mechanical-electrical integration system design and its internally installed circuits of commutations, boost pressure, stored energy and relay driving make the energy meter convenience, safe and reliable.

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