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  • ABB Electrical 1SAZ211201R1009 Thermal Overload Relay
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  • ABB Electrical 1SAZ211201R1009 Thermal Overload Relay

    110V-380V
    5W-130W
    1A-30A
    1 year
    30
    United States, France, Japan, Viet Nam, Australia, Russia, Germany, Italy, Arabia
    Electrical 1SAZ211201R1009 Thermal Overload Relay
    • ¥666.00
      ¥9134.00
      ¥666.00
      ¥666.00
    • Satisfaction:

      Sales: 0

      Review: 0

    Weight:3.440KG
    • Quantity:
    • (Inventory: 2)
Description
Electrical 1SAZ211201R1009 Thermal Overload Relay

ABB Electrical 1SAZ211201R1009 Thermal Overload Relay

Basic information

Meaning of model number: ‘1SAZ211201R1009’ is a specific model number assigned by ABB for this thermal overload relay, in which different combinations of characters and numbers may represent specific functions, specifications, design versions and other information, in order to facilitate the user to accurately identify and select the model.

Series: This relay belongs to ABB's thermal overload relay series, which is designed for overload protection of electric motors and other electrical equipment, and has a wide range of specifications and functional features to meet different application scenarios and load requirements.

Technical data

Current range: This type of thermal overload relay is usually suitable for smaller current overload protection, generally used with motors with smaller rated current, the specific adaptable current range should refer to the detailed product manual, but from the series of products, it is mostly a few amperes to tens of amperes, for example, similar to the model number 1SAZ211201R1017 corresponds to the TA25DU-0.63 thermal overload relay, whose rated current is 0.63 amps. For example, a similar model 1SAZ211201R1017 corresponds to TA25DU-0.63 thermal overload relay, which has a rated current of 0.63A, while 1SAZ211201R1021 corresponds to TA25DU-1.0 thermal overload relay, which has a rated current of 1.0A.

Voltage specification: the coil voltage and the voltage that the contacts can withstand and other parameters should be determined according to the specific product information, in general, the coil voltage of ABB thermal overload relay has a variety of standard specifications to choose from, such as common AC 220V, 380V, etc., in order to adapt to different control circuit voltage levels.

Tripping level: It has specific tripping level, and the common tripping level is 10, which means that when the motor overload current reaches 10 times of the set value, the thermal overload relay will act in the specified time to cut off the circuit, so as to effectively protect the motor from the damage of prolonged overload current.

Functional features

Overload protection function: by detecting the current in the main circuit of the motor, when the current exceeds the set overload protection value, the bimetal inside the thermal overload relay will be bent and deformed due to the heat generated by the overload current, which will push the contacts to operate and cut off the power circuit of the motor, preventing the damage of the motor due to the prolonged overload operation, protecting the insulation of the windings and other key parts of the motor, and prolonging the service life of the motor. Protect the insulation of motor winding and other key components, prolong the service life of the motor.

Phase loss protection: with phase loss protection function, when any one of the three-phase power supply of the motor is missing or the voltage is too low and other faults, the thermal overload relay can detect the imbalance of the current in time and trigger the release action in a short time to cut off the power supply to prevent the motor from continuing to run in the state of phase loss which may lead to the burnout, which effectively improves the reliability and safety of the operation of the motor.

Manual/automatic reset function: manual and automatic reset modes are available. In manual reset mode, when the thermal overload relay is deactivated due to overload or other faults, it is necessary to manually operate the reset button to restore the relay to its initial state, reclosing the contacts and turning on the motor power supply; whereas in automatic reset mode, the thermal overload relay can be automatically restored to its normal working state within a certain period of time after the faults are removed, without manual intervention, which is convenient and quick, and can be carried out flexibly according to the specific application needs and maintenance requirements. It is convenient and fast, and can be set flexibly according to the specific application needs and maintenance requirements.

Fields of application

Motor protection: Widely used in a variety of equipment and systems that require motor drive, such as machine tools, conveyor belts, fans, pumps, etc. in industrial production, as well as air conditioning, lifts, automatic doors and other equipment in the commercial and civil fields, to provide reliable overload and phase loss protection for motors, to ensure the normal operation of motors, to reduce the damage to the equipment and downtime due to overload and phase loss faults, to improve production efficiency and equipment reliability. It reduces equipment damage and downtime caused by overload and phase failure, and improves productivity and equipment reliability.

Electrical control system: as an important protection element in the electrical control system, it is used in conjunction with other electrical components such as contactors, circuit breakers, fuses, etc., to build a complete motor control and protection circuit, realise the control functions such as starting, stopping, forward and reverse rotating, and speed regulation of the motor, and cut off the power supply in time when there is a fault, so as to protect the safe and stable operation of the whole electrical system.


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