


CZQH150A-2T DPDT Reversing DC Contactor
Discover the CZQH150A-2T DPDT DC Contactor for reliable performance in your electrical applications. Ideal for controlling heavy loads with ease
Overview
FEATURES
CZQH150A-2T DPDT DC contactor is a high-performance electrical switching device that supports a rated current of up to 150A, can meet the needs of high-power DC loads, and ensure stable operation under high load conditions. Its double-pole double-throw (DPDT) design enables the contactor to control multiple circuits at the same time, providing flexible electrical connection and switching solutions to adapt to various application scenarios. CZQH150A-2T uses highly conductive materials to manufacture contact points, which reduces contact resistance, improves conductivity, extends service life, and ensures long-term reliability. The compact design makes it easy to install in environments with limited space and is suitable for a variety of industrial and automation equipment. It has good electromagnetic compatibility and can work stably in complex electromagnetic environments, reducing the impact of interference on equipment. CZQH150A-2T has a built-in overload protection mechanism that can automatically disconnect the circuit under abnormal conditions. It is widely used in many fields such as motor control, automation equipment, transportation and energy management, and is an ideal choice for achieving efficient electrical control. With its excellent performance and reliability, CZQH150A-2T DPDT DC contactor has become an important part of various electrical control systems.
SAYOON MODEL IMPLICATION
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CZQH |
150A |
-2T |
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-□ |
/24V |
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Product type | |||||||
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Rated current | |||||||
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Circuit structure: DPDT | |||||||
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P-With protective cover(default) | |||||||
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Working system: CO-Continuous;INT -Intermittent | |||||||
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Coil rated voltage:12V, 24V, 36V, 48V, 60V, 72V etc. | |||||||
USES
This product have a switching phase contacts, for using in DC circuits and can be powered with battery of recitified power. They perform power switching funcition for power switching operations of traction drives as well as pump motor and other electric vehicles.
TECHNICAL PARAMETERS: (Version 1.38)
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SAYOON Product Type |
CZQH150A-2T |
| Contact form | Convert the two groups (DPDT) |
| Coil Rated voltage (DC V) | 6V,12V,24V,36V,48V,60V,72V,84V,120V,150V,220V etc. |
| Contact voltage (DC V) | ≤80V |
| Rated load current of contact 48V circuit (DC-1) | 150A |
| Typical voltage drop across contacts per 100A | ≯80mV |
| The cooling pull-in voltage at (20±5)℃ (V) | ≯70% |
| The cooling drop-out voltage at (20±5)℃ (V) | ≯35%,≮5% |
| Working voltage range of 40℃ coil | 0.8-1.2Us |
| Drop-out time (n/o contacts to open) | 30ms |
| Pull-in time (n/o contacts to close) | 6ms |
| Maximum bounce time for contact connection | 10ms |
| Maximum bounce time for contact disconnection | 3ms |
| Insulation resistance | 20MΩ |
| Electric strength to resist | 50Hz/60Hz 1000VAC 1minute |
| Typical fault currents which can be ruptured | 1000A/5ms at 48V/DC |
| Coil power (W) | 30-50 |
| Temperature rise of coil (K) | ≤80 |
| Temperature rise on outgoing terminal (K) | ≤65 |
| Electrical life | 20,000 times |
| Mechanical life | 300,000 times |
| Work specification | Continuous or Intermittent |
| Contact material | Ag alloy |
| Load terminal type | M8 Screw |
| Coil terminal type | M4 Screw |
| Testing organization certification | CE,FCC |
Note:As regarding to the different using environments of customers which requires different focus of the functions,and in order to improve the comprehensive properties of our products,sayoon may adjust the coil parameters,temperature rise and so on. The above parameters are for reference only, For details, please refer to the guidelines for selection and use of the SAYOON DC contactor.
LOAD CHARACTERISTIC CURVE
INSTALLATION DIAGRAM

WIRING DIAGRAM

TEMPERATURE CURVE

MECHANICAL ABILITY and USE of the ENVIRONMENT
| Contact lead M8 tightening torque (N.m) | ≯9.0 appropriate |
| Coil lead M4 tightening torque (N.m) | ≯1.2 appropriate |
| Ambient temperature | -25~+70℃ |
| Relative humidity | +20℃ 98% |
| Vibration freq. atthe fixed position | 3G, 1~50Hz amplitude 0.5mm |
| Concussion | (60~100) time/minute、acceleration≤4g |
| Altitude | 2000m |
| Installation direction | Random |
| International protection | IP40 (According IEC60947) |
ORDER INSTRUCTION
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SAYOON Product Type |
CZQH150A-2T |
| U.N.W. | 3181g |
| Package QTY. | 10 PCS |
| Mounting bracket type | Vertical |
When ordering, please state the following: name, full model, control coil voltage specification, installation frame type, whether with auxiliary contact, order quantity. For example: DC Contactor CZQH150A-2T/24V 100pcs, indicating the load rated current 150A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.
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