ABB SPAM150C

ABB SPAM150C is a general-purpose combination relay,mainly used to provide protection for AC motors for various purposes.The following is a detailed analysis of ABB SPAM150C:

1.Product Overview

ABB SPAM150C motor protection relay is a device that integrates a large number of protection functions,designed to prevent motor damage due to various electrical faults.It is suitable for AC motors and other equipment that requires thermal overload protection,such as cables or power transformer feeders.

ABB SPAM150C

2.Protection functions

ABB SPAM150C provides the following main protection functions:

Thermal overload protection:It can protect the motor from short-term and long-term overload.When the motor current increases to a certain value,the thermal overload unit will start and act after a certain delay.

Short-term overload protection:It mainly occurs during the starting process of the motor,and it is allowed to start once under hot conditions.

Pre-alarm signal:The thermal overload pre-alarm signal can issue a warning when the motor just appears to be thermally overloaded,reminding the operator to reduce the load of the motor,thereby avoiding unnecessary thermal overload tripping.

High-set overcurrent protection:used to protect short circuits between motor windings and phase-to-phase short circuits of feeder cables.Its current setting value can be set to automatically double during startup.

Ground fault protection:can detect ground faults without direction and take corresponding protection measures.

Phase imbalance protection:monitors the imbalance of system current and prevents motor damage due to severe system imbalance or single-phase operation.

Reverse phase protection:when the phase sequence is wrong,the unit will act with a fixed delay.

Low current protection:used for load loss protection of motors,especially suitable for equipment cooled by liquid constant flow,such as submersible pumps.

3.Other functional features

Startup status monitoring:every time the motor is started,the startup monitoring unit monitors the heat consumption of the motor.

Serial communication interface:enables all measurements and register parameters to be transmitted to the control room or other places in the most convenient way.

Digital readout display:can directly display the set value,current measurement value,recorded fault current value,indication and status information.

Strong flexibility:The optimized design makes it easy to choose the appropriate protection scheme to meet the needs of various application situations.

Self-test system:The built-in advanced self-test system improves the reliability of the protection device.

ABB SPAM150C

IV.Application field

ABB SPAM150C motor protection relay is widely used in various fields that require motor protection,such as petrochemical enterprises,manufacturing industry,energy industry,etc.Especially in petrochemical enterprises,it has significant application advantages as a protection device for 160~1800KW medium-voltage motors.

The company mainly imports PLC modules,programmable controllers,servo control systems and DCS spare parts,such as:ABB,AB(Rockwell),GE(General Electric),Bentley,Honeywell Er),Emerson.),Motorola,Invensys,Westinghouse,etc.The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers.We can purchase goods directly from abroad and provide equipment and spare parts from different countries and manufacturers.

We supply goods directly from abroad,without intermediaries,reducing the cost of use.

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