A30-30-10 ABB Bailey

A30-30-10 ABB Bailey Central control module

Brand：ABB Model number：A30-30-10

Country of origin: Sweden Product weight：0.55KG

HS code：8517623990

Product Details：

Product Dimensions：

The ABB A30-30-10 is a three-pole contactor primarily designed for controlling three-phase motors and power circuits up to $690V$ AC. It belongs to the reliable and highly regarded ABB A-line series.

Key Technical Parameters:

Poles: 3
Rated Operational Current ( $I_e$ ):

AC-3 ( $400V$ ): $30 \text{ A}$ (for motor loads)
AC-1 ( $690V$ ): $50 \text{ A}$ (for resistive loads)

Rated Operational Power ( $P_e$ ):

$3 \text{-phase}$ motor at $400V$ : $15 \text{ kW}$

Auxiliary Contacts: $1 \text{ Normally Open (NO)} + 0 \text{ Normally Closed (NC)}$ (This is indicated by the "-10" suffix)
Rated Control Supply Voltage ( $U_c$ ): Varies depending on the specific coil version (e.g., $24V$ DC, $110V \text{ AC}, 230V \text{ AC}$ , etc.)
Rated Insulation Voltage ( $U_i$ ): $690V$ (IEC)
Rated Impulse Withstand Voltage ( $U_{imp}$ ): $6 \text{ kV}$

Product Advantages

The ABB A30-30-10 contactor offers several significant advantages:

Reliability and Longevity: The A-line is known for its robust mechanical and electrical endurance, ensuring a long operational life and reduced maintenance.
Compact Design: It features a space-saving design, allowing for high-density mounting in control panels and enclosures.
High Performance: It is capable of handling high switching frequencies and reliably controlling three-phase asynchronous motors.
Versatile Accessories: A wide range of accessories is available, including auxiliary contact blocks, mechanical interlocks, and surge suppressors, which enhance its flexibility and application scope.
Simplified Installation: The contactor is designed for quick and easy installation on a $35 \text{ mm}$ DIN rail or screw mounting.

Important Considerations (Safety and Usage Notes)

Coil Voltage Matching: Always ensure the control supply voltage ( $U_c$ ) matches the contactor's coil voltage rating. Using an incorrect voltage can damage the coil.
Load Type: The operational current ratings (AC-3 for motors, AC-1 for resistive) must be strictly observed to prevent overheating and premature failure.
Proper Protection: The contactor must be installed with appropriate short-circuit protection (fuses or circuit breakers) and, for motor loads, an appropriately sized thermal overload relay to protect the motor.
Wiring Standards: Installation and wiring must comply with all local and national electrical codes and regulations.
Safe Handling: Disconnect all power before performing any inspection, maintenance, or wiring to prevent electrical shock.

Product Applications

The ABB A30-30-10 contactor is widely used across various industrial and commercial sectors due to its versatility and robustness.

Motor Control: The primary application is the starting, stopping, and reversing of three-phase squirrel-cage motors (e.g., in pumps, fans, conveyors, compressors).
Heating and Lighting: Switching of resistive loads like electric heating systems, power factor correction equipment, and large-scale lighting circuits (AC-1 duty).
Power Distribution: Use in distribution boards and panel boards for switching power circuits.
Automation Systems: Integration into complex machinery and automated production lines where reliable power switching is essential.

PSTX720-600-70 ABB Bailey

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