ABB 1SAX511001R0001 E200DU Electronic Overload Relay 60-200A
ABB 1SAX511001R0001 Overview
ABB 1SAX511001R0001 is the order number associated with the E200DU electronic overload relay.
The E200DU belongs to ABB’s electronic overload relay family and is designed for motor protection
applications within industrial contactor-based control systems. The device provides an adjustable
current range covering 60 to 200 A and supports selectable trip classes 10, 20 and 30.
The E200DU is designed for use with ABB contactors in the A145 to A185 range. Its electronic
overload protection function allows the motor current to be monitored and provides an overload
protection response according to the selected trip class and configured current setting.
The complete product identification should be retained as ABB 1SAX511001R0001 when referencing
the component in technical documentation, equipment records, procurement information or motor
control system maintenance. The E200DU designation identifies the product type, while the ABB
order number provides the specific identification reference.
E200DU Electronic Overload Relay
The E200DU is an electronic overload relay developed for industrial motor control applications.
Unlike a simple mechanical thermal overload device, an electronic overload relay uses electronic
sensing and processing to monitor motor current and determine the appropriate overload response.
ABB documentation identifies the E200DU as an electronic overload relay with an adjustable current
range of 60 to 200 A. This range allows the device to be configured for motors operating at
different current levels within the specified application range.
The relay forms part of a motor protection arrangement and is normally used together with a suitable
contactor. In the applicable ABB configuration, the E200DU is associated with A145 to A185
contactors. This combination provides a coordinated switching and motor protection arrangement for
industrial electrical systems.
60-200 A Adjustable Current Range
One of the main characteristics of ABB 1SAX511001R0001 is its adjustable current range from
60 to 200 A. The current adjustment allows the overload relay to be matched to the rated operating
current of the motor within the permitted range of the device.
Correct current adjustment is important for motor protection. The setting should correspond to the
requirements of the motor and the applicable protection design rather than simply being selected
according to the maximum value of the relay. The motor’s rated current, operating conditions,
starting characteristics and applicable electrical standards should be considered when establishing
the appropriate setting.
The wide 60-200 A adjustment range also makes the E200DU suitable for different motor applications
within its specified contactor and protection configuration. This provides flexibility when the
same general control architecture is applied to motors with different rated currents.
Selectable Trip Classes 10, 20 and 30
ABB specifies selectable trip classes 10, 20 and 30 for the E200DU. The trip class determines the
overload relay’s response characteristics during an overload condition and is an important parameter
when coordinating motor protection with the motor’s starting behavior.
Different motors can have different starting characteristics. A motor that reaches operating speed
quickly may require a different protection response characteristic from an application where the
motor has a longer starting period. The selectable trip classes allow the protection system to be
configured according to the requirements of the particular motor application.
Selection of the appropriate trip class should be based on the motor characteristics, application
requirements and applicable protection documentation. The overload relay should not be configured
independently of the complete motor starter design.
Motor Protection Function
The primary function of the E200DU is to provide electronic overload protection for an associated
motor. Motor overload occurs when the motor draws excessive current for a period of time, potentially
resulting in increased thermal stress within the motor windings.
By monitoring the motor current, the overload relay can determine whether the operating condition
exceeds the configured protection characteristics. When the specified overload condition is reached,
the relay can initiate the corresponding trip response within the motor control circuit.
The overload relay is therefore an important component within a complete motor starter. The relay,
contactor, motor and control circuit work together as an integrated electrical system. Correct
selection and adjustment of each component are necessary for the intended protection behavior.
Compatibility with ABB A145-A185 Contactors
ABB technical documentation associates the E200DU with A145 to A185 contactors. This compatibility
information is an important part of product identification because ABB provides several electronic
overload relay models for different contactor sizes and current ranges.
The E200DU should therefore not be selected solely because its current range appears suitable.
The contactor type, mechanical mounting arrangement, electrical characteristics and complete motor
starter configuration should also be verified.
When replacing an existing overload relay, the installed contactor model should be identified first.
Comparing the contactor designation with the ABB product documentation helps establish whether the
E200DU is the intended overload relay for the installation.
Electrical Characteristics
ABB documentation for the E200DU family specifies a maximum insulation voltage of up to 690 V in
the applicable configuration and a maximum operating voltage of up to 690 V AC for the corresponding
product category. The applicable voltage limitations depend on the specific system and installation
conditions.
The documentation also identifies an impulse withstand voltage characteristic for the E200DU family.
These electrical ratings are important when evaluating the relay as part of a motor starter and
should be considered together with the electrical ratings of the associated contactor and motor
circuit.
Because the overload relay is installed within a higher-current motor control circuit, the complete
electrical installation must be designed according to the applicable voltage, current, protection
and insulation requirements.
Environmental Conditions
ABB product documentation defines environmental characteristics for the E200DU family, including
temperature, humidity and vibration classifications. The specified temperature class covers an
operating range from approximately -25°C to 55°C under the documented conditions.
The environmental characteristics are important when the E200DU is installed in industrial control
panels, motor control centers or other electrical equipment exposed to changing ambient conditions.
The actual installation environment should remain within the limits specified for the equipment.
Proper enclosure design, ventilation and installation practices can also influence the operating
conditions of the overload relay. The relay should be installed according to the applicable ABB
mounting and system requirements.
Installation and Wiring
Installation of ABB 1SAX511001R0001 should follow the requirements of the associated ABB contactor
and motor starter configuration. The relay must be correctly positioned and electrically connected
within the motor protection circuit.
Before installation, the complete part number and E200DU designation should be compared with the
equipment documentation. The contactor model should also be verified because the E200DU is associated
with a defined range of ABB contactors.
Wiring should be completed according to the applicable electrical diagram. The motor circuit,
contactor circuit and overload protection circuit should be coordinated so that the relay can
perform its intended protection function. Electrical isolation and appropriate safety procedures
should be followed before installation or maintenance.
Current Setting and Application Considerations
The 60-200 A adjustment range provides flexibility for motor applications with different rated
currents. However, the current setting should be established according to the motor nameplate data,
system design and applicable protection requirements.
An excessively high current setting may reduce the effectiveness of overload protection, while an
unsuitable low setting can interfere with normal motor operation. For this reason, the adjustment
should be treated as an engineering parameter rather than simply a user preference.
The selected trip class should also correspond to the starting characteristics of the motor.
Proper coordination between current setting, trip class, contactor and motor characteristics is
essential for a correctly configured motor starter.
Part Number Verification
ABB 1SAX511001R0001 corresponds to the E200DU electronic overload relay with a 60-200 A adjustable
current range. ABB documentation lists the product with selectable trip classes 10, 20 and 30 and
identifies its application with A145 to A185 contactors.
The ABB E200DU family also contains related electronic overload relay models covering different
current ranges. For example, E320DU, E500DU and E800DU are associated with progressively higher
current ranges. Therefore, the complete order number should always be checked when identifying a
particular relay.
Using the complete order number is especially important for technical purchasing and maintenance
records. The reference 1SAX511001R0001 provides a more precise identification than the general
product description “electronic overload relay.”
Application in Industrial Motor Control
ABB 1SAX511001R0001 can be used as part of industrial motor control systems where electronic
overload protection is required. Typical system architecture can include an incoming power circuit,
contactor, motor, overload relay and associated control components.
Within this arrangement, the E200DU monitors the motor current and provides the overload protection
function while the contactor provides the primary switching function. This separation of functions
allows the motor starter to combine controlled switching with dedicated overload protection.
The E200DU is particularly relevant to higher-current motor applications covered by its 60-200 A
adjustment range. Its compatibility with ABB A145 to A185 contactors provides a defined application
area within ABB’s contactor and overload relay system.
Summary
ABB 1SAX511001R0001 is the E200DU Electronic Overload Relay designed for motor protection
applications. The relay provides an adjustable current range of 60 to 200 A and supports selectable
trip classes 10, 20 and 30. ABB documentation associates the E200DU with A145 to A185 contactors.
The device is intended to monitor motor current and provide an overload protection response within
a coordinated motor starter. Its adjustable current range allows configuration for motors with
different rated currents, while the selectable trip classes provide different overload response
characteristics for different motor starting requirements.
When identifying or replacing ABB 1SAX511001R0001, users should verify the complete ABB order number,
E200DU designation, current setting range, selected trip class, contactor compatibility, electrical
ratings and installation requirements. These parameters should be considered together to establish
the appropriate configuration for the industrial motor control system.
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