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Scope of Application
TXB7LDPS-63 Manual Transfer Switch with leakage protection (interlock switch series leakage residual operation over-current circuit breakers). It is a new type product with 4 functions of overload, short circuit protection, leakage protection and power line conversion, which is researched, developed and designed independently by TAIXI. Manual Transfer Switch can be used as hand-operated miniature dual power switch, consists of two or more poles lv circuit breakers and interlocking structure, combined with the new TXD7 leakage circuit breaker to achieve function that the main circuit and auxiliary circuit both have leakage protection, the biggest advantage of the circuit breaker is not combination with two leakage circuit breakers, but connecting to a leakage protection device , So that the product shape of the circuit breaker is very small and exquisite, and miniature circuit breaker has the same modulus width.
TXB7LDPS-63 Manual Transfer Switches are very compact, have reasonable and reliable design, beautiful appearance, light weight, fast operation, easy installation, the price is affordable!
TXB7LDPS-63 Manual Transfer Switches comply with GB10963 and IEC60898 standards.
Models and Specifications
Normal working environment
The ambient air temperature: -5℃~+40℃; and the average temperature is not more than +35℃.
The altitude of installation site is generally not more than 2000 meters.
Atmospheric relative humidity in the ambient air temperature of +40℃ is not more than 50%; there is higher relative humidity allowed at lower temperatures, for example, at 20℃, the relative humidity can reach 90%. It should be noted that, due to temperature changes, may occasionally produce appropriate condensation, this time should take appropriate measures (such as drainage holes).
The circuit-breaker is mounted vertically, the inclination between circuit-breaker and vertical is not more than 5° from the vertical.
The place has no significant shake and shock vibration.
If installed in a closed protective case, and more than one circuit-breakr are close, should be used with derating capacity when the installation, optional derating factor of 0.7~0.8. For metal protective case, high-value can be used, for plastic protective case, you can use low value .
Main technical parameters
■ Product Name: Interlock circuit breakers with leakage protection, leakage manual transfer switch
■ Rated current: 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A.
2P+3P, 2P+4P, 3P+4P, 3P+4P, 1P+3P, 1P+3P, 1P+4P,
■ Rated working voltage: AC 230 / 400V 50Hz / 60Hz; can be customized 110V, 24V, 48V and other products
■ Rated insulation voltage: 660V
■ Rated short-circuit breaking capacity: 6000A; cosΦ 0.45 ~ 0.50
■ Protection Class: IP20
■ Pollution Degree: Class 2
■ Indication window
&nbps;&nbps;□ Mechanical contact indication window, reliable breaking instructions
&nbps;&nbps;□ The window is green and the contact is in the open state. The window is red and the contact is in the closed state
■ Tripping characteristics
&nbps;&nbps;□ C-type curve: protection of conventional load and distribution cables, magnetic trip unit set in range of 8.5In±20% to operate
&nbps;&nbps;□ D-type curve: protection of the impact load with the large starting current (such as transformers, etc.), magnetic trip unit set in the range of 12In±20%
■ Resistance to heat and humidity: Class 2 (temperature: 55℃, relative humidity: 95%)
■ Wiring: Use terminals with clamp, fixed cable cross-sectional area can be less than 50mm².
■ Rail for installation: TH35-7.5 standard steel for installation
■ Rated residual operating current I△n: 30mA, 50mA, 100mA, 300mA
■ Rated residual making and breaking capacity 6000 I△m (A);
■ Rated residual non-operating current I△no; 0.5 I△n;
■ Installation: When the circuit breaker switches from right power supply to left power supply, after the right power supply is closed, the left power supply is closed.
■ Installation conditions: the installation site of the external magnetic field in any direction should not exceed 5 times the earth magnetic field; residual current action interlocking circuit breakers should generally be installed vertically, handle up for the power-on position; installation should have no significant impact and vibration.
■ Wiring method: Tighten the wires with screws.
Wiring: suitable for wire connection of 25mm² and below, wiring method is tightening the wires with screws, torque is 2.0N·m.
Tripping characteristics curve of circuit breaker
Outline and installation dimensions
Keywords: Manual Transfer Switch
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