Product Overview

The Schneider MTE16H Circuit Breaker is listed as an industrial circuit protection component for electrical distribution and equipment protection applications. Circuit breakers are essential parts of industrial power systems because they help interrupt electrical circuits when abnormal current conditions occur.

In industrial facilities, electrical distribution equipment supplies power to motors, control cabinets, production machinery, and auxiliary systems. Overloads and short circuits can damage cables and connected equipment, interrupt production, and create safety risks. A correctly selected circuit breaker helps isolate affected circuits and supports the safe operation of the electrical installation.

The MTE16H designation should be checked against the physical product nameplate and original Schneider Electric documentation before procurement. Its exact product family and electrical configuration have not been independently confirmed from the available product information. Therefore, rated current, operating voltage, pole configuration, trip-unit type, and short-circuit breaking capacity should not be assumed from the model name alone.

For industrial maintenance teams, accurate identification is particularly important when replacing an existing breaker. Products with similar external dimensions may have different electrical ratings, mounting arrangements, trip characteristics, and accessory configurations.

The supplied dimensions are 322 × 228 × 277 mm, and the supplied weight is 30 kg. These values can be used as preliminary listing information, subject to confirmation against the actual unit.

Technical Specifications

Important: The electrical ratings and exact product family have not been confirmed for the MTE16H designation. Verify the manufacturer’s nameplate, catalog number, and technical documentation before selecting or installing this circuit breaker.

Function and Working Principle

A circuit breaker is designed to protect an electrical circuit by interrupting current when specified abnormal conditions occur. Depending on its design and trip-unit configuration, it may provide overload protection, short-circuit protection, and additional protection functions.

1. Overload Protection

An overload occurs when a circuit carries more current than its intended operating level for a sustained period. This can cause cables, electrical connections, and connected equipment to overheat.

Circuit breakers with suitable overload protection detect excessive current and initiate a trip when the relevant operating threshold and time characteristics are reached.

Correct protection settings must be coordinated with the connected conductors and equipment. The exact overload characteristics of the MTE16H should be confirmed from its trip-unit documentation.

2. Short-Circuit Protection

A short circuit can produce a very high current over a short period. Without appropriate protection, the resulting thermal and electromagnetic forces can damage electrical equipment.

A circuit breaker with a suitable short-circuit interrupting rating can open the circuit and isolate the fault. Its breaking capacity must be sufficient for the prospective fault current at the installation point.

The MTE16H’s actual breaking capacity is not confirmed here and must be checked before use in a particular distribution system.

3. Circuit Isolation

Circuit breakers are also used to disconnect electrical circuits for operation and maintenance. Depending on the model and applicable standards, a breaker may have a defined isolation function.

Maintenance personnel should follow the installation’s lockout and verification procedures. Operating a circuit breaker handle alone should not be treated as a substitute for the required electrical safety process.

4. Trip Mechanism and Protection Coordination

Industrial circuit breakers may use thermal-magnetic or electronic trip mechanisms. These mechanisms differ in how they detect abnormal current and how their trip characteristics can be adjusted.

Protection coordination involves selecting compatible devices and settings so that the breaker closest to a fault can isolate the affected section where possible. This helps reduce unnecessary interruptions to other parts of the electrical system.

The MTE16H trip technology and adjustment range should be verified before preparing protection-coordination calculations.

Role in Industrial Power Distribution Systems

Circuit breakers are used throughout industrial power distribution networks. They help protect incoming supplies, distribution sections, motor circuits, and equipment feeders.

Main Distribution Protection

A circuit breaker installed in a distribution panel can protect a section of the electrical network against specified overcurrent conditions. Its rated voltage, current, and interrupting capacity must match the system design.

Motor and Machinery Protection

Industrial machinery may contain motors, drives, pumps, fans, and auxiliary equipment. Circuit protection must be coordinated with the electrical characteristics and starting requirements of the connected equipment.

A circuit breaker should not be assumed to provide every type of motor protection. Depending on the application, overload relays, motor protection devices, and other protective components may also be necessary.

Control Cabinet Protection

Industrial control cabinets distribute power to PLC systems, motor-control equipment, instrumentation, and auxiliary circuits. Circuit breakers help isolate faults and protect the associated electrical distribution sections.

The selected breaker must be compatible with the cabinet’s busbars, conductors, mounting arrangement, and available fault-current rating.

Electrical System Maintenance

A correctly identified circuit breaker makes it easier for maintenance teams to inspect, test, and replace electrical protection equipment. Maintaining accurate model and configuration records can reduce the risk of installing an incompatible replacement.

Industrial Applications

The exact application suitability of the MTE16H depends on its confirmed electrical ratings and construction. Industrial circuit breakers are commonly used in the following areas.

1. Industrial Power Distribution Panels

Distribution panels divide incoming electrical power into multiple outgoing circuits. Circuit breakers provide protection and switching functions for these sections.

For each installation, engineers must verify the rated current, voltage, pole configuration, and short-circuit capability.

2. Manufacturing Facilities

Manufacturing plants contain production machinery, conveyor systems, compressors, pumps, and auxiliary electrical equipment. Circuit breakers help protect the electrical feeders supplying these loads.

The protection device must be selected according to the connected load and the installation’s fault-current conditions.

3. Motor Control Centers

Motor control centers combine motor starters, protective devices, control components, and distribution equipment. Circuit breakers may be installed as part of feeder or motor-control arrangements.

Their characteristics must be coordinated with contactors, overload relays, motor protection devices, and upstream protection.

4. Industrial Utility Systems

Utility equipment such as ventilation systems, cooling equipment, water treatment machinery, and auxiliary pumps requires reliable electrical distribution.

Circuit breakers help isolate affected circuits when abnormal current conditions occur, supporting safer maintenance and fault management.

5. Electrical Retrofit and Replacement Projects

Industrial plants often retain existing switchgear and distribution panels for many years. When a breaker requires replacement, maintenance engineers must identify the original model and confirm compatibility with the existing equipment.

Physical dimensions alone are insufficient. Electrical ratings, connection positions, mounting design, trip-unit characteristics, and accessories must also be checked.

Installation and System Integration

Circuit breaker installation must be performed by qualified electrical personnel according to the manufacturer’s instructions and applicable electrical standards.

1. Confirm the Product Identity

Before installation, inspect the nameplate and confirm the complete model designation. Check whether MTE16H is the full catalog number or a shortened identification used in the equipment documentation.

Record the manufacturer’s reference, rated current, voltage, pole configuration, trip-unit type, and breaking capacity.

2. Verify Electrical Ratings

The breaker must be suitable for the system’s operating voltage and expected load current. Its interrupting capacity must also be adequate for the prospective short-circuit current at the installation point.

Do not select a replacement based only on its physical appearance or nominal current rating.

3. Check Mounting and Mechanical Compatibility

The supplied dimensions are 322 × 228 × 277 mm. Verify these measurements against the actual breaker and its manufacturer’s mechanical drawings before preparing a mounting position.

Check the installation space, terminal locations, connection clearances, operating mechanism, and any required chassis or mounting accessories.

4. Inspect Electrical Connections

Inspect terminals, busbar connections, cable lugs, and insulation before commissioning. Connection hardware must be appropriate for the breaker and the conductor sizes used.

Follow the manufacturer’s specified tightening torques and connection procedures. Incorrect connections can cause excessive heating and unreliable operation.

5. Coordinate Protection Settings

Where the breaker has an adjustable trip unit, its settings must be selected according to the protection study and the characteristics of the downstream equipment.

Protection coordination should consider upstream devices, downstream breakers, cable ratings, motor starting currents, and the system’s prospective fault current.

6. Commissioning and Functional Testing

Before energizing the system, qualified personnel should inspect the installation, verify mechanical operation, and perform the tests required by the manufacturer’s documentation and applicable standards.

Record the final protection settings and commissioning results for future maintenance.

Compatible System Components

The following components may be found in an industrial electrical distribution installation. Their compatibility with the MTE16H must be established through the actual product documentation and system design.

These are examples of equipment used in industrial distribution systems. They are not confirmed as included accessories or guaranteed compatible components for the MTE16H.

Alternative Models and Replacement Considerations

A replacement for the MTE16H should not be selected until the original breaker’s complete technical identity has been established.

Schneider Electric offers several industrial circuit breaker families, including MasterPact and EasyPact products. These product families cover different electrical ratings, frame sizes, mounting arrangements, and protection configurations. A model from one of these families should not be considered a direct replacement solely because its dimensions or general function appear similar.

Before purchasing an alternative, compare:

• Rated operational voltage.
• Rated current and frame rating.
• Number of poles.
• Ultimate and service short-circuit breaking capacity.
• Trip-unit technology and protection settings.
• Fixed or withdrawable mounting arrangement.
• Terminal and busbar connection design.
• Auxiliary contacts and accessory requirements.
• Mechanical dimensions and operating clearances.
• Applicable electrical standards and certifications.

A replacement must satisfy both the electrical protection requirements and the mechanical requirements of the existing installation.

Key Advantages of Industrial Circuit Breakers

Overcurrent Protection

A correctly selected circuit breaker helps protect electrical circuits against specified overload and short-circuit conditions.

Fault Isolation

Opening the breaker can isolate an affected circuit and support troubleshooting and maintenance activities.

Integration with Distribution Systems

Industrial circuit breakers can be incorporated into switchboards, distribution panels, and motor-control installations.

Support for Maintenance Operations

Clearly identified protection devices make it easier for maintenance teams to manage electrical equipment and maintain accurate system records.

Protection Coordination

When selected and configured as part of a coordinated protection system, circuit breakers can help limit the impact of electrical faults on other sections of a facility.

Technical FAQs

1. What is the Schneider MTE16H?

The MTE16H is provided as the model designation for a Schneider Electric circuit breaker. Its exact product family and complete electrical configuration should be verified from the nameplate or original product documentation.

2. What are the dimensions of the MTE16H?

The supplied dimensions are 322 × 228 × 277 mm. Confirm the measurement orientation and actual mechanical drawing before installation.

3. What is the weight of this circuit breaker?

The supplied weight is 30 kg. Confirm whether this represents the standalone breaker or a packaged assembly before calculating shipping requirements.

4. What is the rated current?

The rated current has not been independently confirmed for the MTE16H designation. Check the breaker nameplate and official technical documentation before selecting it for a circuit.

5. What is the breaking capacity?

The short-circuit breaking capacity must be confirmed from the product’s technical label or datasheet. It should not be inferred from the model designation alone.

6. Can this breaker protect industrial motors?

Circuit breakers are commonly used in motor-control systems, but the suitability of this particular model depends on its confirmed ratings and the protection arrangement. Additional motor overload protection may be required.

7. Can the MTE16H replace another Schneider Electric breaker?

Not without a detailed compatibility check. Compare the rated voltage, current, breaking capacity, pole configuration, trip unit, mounting arrangement, and accessories.

8. What should be checked before purchasing?

Verify the complete model designation, nameplate ratings, physical condition, terminal condition, mounting arrangement, trip-unit configuration, and available accessories. For critical installations, request suitable inspection and functional test information.

9. Why is the complete model number important?

Schneider Electric offers multiple circuit breaker families with different electrical and mechanical characteristics. The full model number helps identify the correct product and reduces the risk of purchasing an incompatible replacement.

Procurement and Maintenance Recommendations

When purchasing the Schneider MTE16H Circuit Breaker, begin by confirming the exact model designation. Request a clear photograph of the product nameplate and compare it with the equipment documentation from the original installation.

For used or refurbished equipment, inspect the enclosure, operating mechanism, terminals, insulation, and accessory compartments. Confirm whether the breaker has been tested and request available inspection or functional test records.

Before installation, verify the electrical ratings against the system design. This includes rated voltage, current, pole configuration, breaking capacity, and trip-unit characteristics. Also check mounting dimensions, connection positions, and the compatibility of any auxiliary accessories.

During maintenance, qualified personnel should follow the manufacturer’s inspection and testing procedures. Keep records of inspections, operating history, protection settings, and any replacement work.

Because the exact MTE16H product configuration has not been independently confirmed, buyers should avoid treating the model designation alone as sufficient evidence of electrical compatibility. Nameplate verification is essential before ordering or installing the breaker.

Conclusion

The Schneider MTE16H Circuit Breaker is listed as an industrial electrical protection component with supplied dimensions of 322 × 228 × 277 mm and a weight of 30 kg. Circuit breakers play an important role in industrial power distribution by providing overcurrent protection and supporting the isolation of electrical circuits.

For this specific designation, the rated current, voltage, pole configuration, breaking capacity, and trip-unit type must be confirmed against the original product label and technical documentation. Accurate identification is essential for safe installation, maintenance, and replacement in industrial electrical systems.