Brand:Schneider PLC Item No.:MT63H1b Product Origin:France Product Dimensions:439 x 556 x 395 mm Product Weight:120 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Schneider MT63H1b Circuit Breaker is presented for high-capacity electrical distribution applications. When selecting a breaker for an industrial installation, engineers and purchasing teams need to consider its protection characteristics, mechanical construction, and compatibility with the existing switchgear.
An important point when sourcing this reference is model identification. Schneider Electric's product information identifies the MasterPact MTZ3 63H1 as a 6300 A circuit breaker, while the exact designation MT63H1b should be verified against the equipment nameplate before its product family or electrical ratings are confirmed.
For replacement and maintenance projects, checking the complete reference is essential. Similar model designations do not necessarily indicate identical breaking capacities, dimensions, mounting arrangements, or accessory compatibility.
Technical Specifications
Parameter
Description
Brand
Schneider Electric
Model Reference Provided
MT63H1b
Product Name
Circuit Breaker
Product Category
High-Capacity Circuit Breaker
Performance Designation
H1b (as provided in the model reference; confirmation required)
Application
Low-voltage power distribution
Installation
Electrical switchboards and distribution systems
Protection Configuration
Subject to verified product family and installed trip unit
Dimensions (W × H × D)
439 × 556 × 395 mm
Weight
120 kg / 264.55 lb
Important: The exact MT63H1b designation and its electrical specifications should be confirmed using the product nameplate or original manufacturer documentation before ordering. Do not assume that specifications for the MTZ3 63H1 apply to this reference.
Recommended Related Models
The following Schneider Electric references may be useful for product comparison and sourcing research. They are not confirmed direct replacements for MT63H1b.
Schneider M63H1 Circuit Breaker
Schneider MTZ3 63H1 Circuit Breaker
Schneider MT50H1b Circuit Breaker
Schneider MT40H1b Circuit Breaker
Popular Related Models
Other Schneider Electric MasterPact circuit breaker references that may be relevant to high-capacity power distribution projects include:
Schneider MT32H1 Circuit Breaker
Schneider MT40H1 Circuit Breaker
Schneider MT50H1 Circuit Breaker
Schneider NW50H1 Circuit Breaker
Schneider NW63H1 Circuit Breaker
Schneider MTZ3 63H1 Circuit Breaker
When purchasing the Schneider MT63H1b, confirm the exact model designation, nameplate details, and breaker configuration before shipment. This is especially important for high-capacity circuit breakers, where an incorrect product match can affect electrical protection, switchgear compatibility, and installation safety.
Applications
The Schneider MT63H1b is specified as a high-capacity circuit breaker for low-voltage power distribution applications. Equipment in this category is generally intended for main distribution systems and high-current electrical installations where reliable circuit protection and coordinated operation are essential.
Potential application areas include:
Industrial power distribution: Protection of main incoming circuits and high-capacity feeders in manufacturing facilities.
Large commercial buildings: Integration into electrical distribution systems serving substantial loads.
Power infrastructure: Application in appropriately designed switchgear and power distribution installations.
Utility and infrastructure facilities: Circuit protection in electrical systems requiring high-capacity switching equipment.
Critical power installations: Support for electrical protection strategies in facilities where continuity of power is important.
Key Advantages and Operational Features
Designed for demanding distribution systems
High-capacity air circuit breakers are used in electrical installations where standard branch-circuit protection is insufficient. The appropriate breaker configuration must match the system's rated current and prospective fault level.
Configurable protection
Protection performance depends on the installed trip unit and its settings. Correct selection helps provide suitable overload and short-circuit protection for the connected electrical system.
Switchgear integration
A breaker must be matched to the switchboard's mounting arrangement, connection design, pole configuration, and electrical ratings. These details are particularly important when sourcing replacement equipment.
Support for coordinated protection
Correctly selected protective devices help coordinate fault isolation across an electrical distribution network, limiting unnecessary interruptions to other circuits.
Suitable for industrial maintenance requirements
For maintenance and replacement projects, confirming the complete product reference and installed accessories helps reduce compatibility risks.
Technical FAQs
Q1: What is the Schneider MT63H1b used for?
It is described as a high-capacity circuit breaker for low-voltage power distribution. Its intended function is to protect electrical circuits against overloads and short-circuit conditions, subject to its actual configuration.
Q2: What does the H1 designation mean in Schneider breaker models?
H1 is a breaking-capacity performance designation used in certain Schneider Electric circuit breaker families. Its precise electrical ratings depend on the product family, rated voltage, and applicable technical documentation.
Q3: What is the difference between MT63H1b and MTZ3 63H1?
They should not be assumed to be the same product. Schneider's current MasterPact MTZ3 63H1 is a separately identified 6300 A breaker. Confirm the complete reference and nameplate before treating either model as a replacement for the other.
Q4: Which trip unit is compatible with this breaker?
Trip-unit compatibility depends on the exact breaker family and generation. Check the product reference and manufacturer's compatibility documentation before selecting a control or protection unit.
Q5: Can this breaker be installed as a main incoming device?
A suitably rated and configured breaker may be used in a main incoming position. The rated current, system voltage, available fault current, protection coordination, and switchboard design must all be evaluated.
Q6: Does the breaker support remote operation?
Remote operation depends on the specific operating mechanism and compatible accessories. Confirm the installed operating components before designing a remote-control arrangement.
Q7: What information is needed when ordering a replacement?
Provide the complete model reference, nameplate photograph, rated current, pole arrangement, mounting type, trip-unit details, and accessory information. These details help establish whether the replacement is suitable.
Q8: What should be checked before commissioning?
Inspect the mechanical operating mechanism, electrical connections, insulation condition, protection settings, and accessory installation. Commissioning should be performed by qualified electrical personnel in accordance with applicable safety procedures.
Q9: What can cause repeated circuit breaker tripping?
Possible causes include overload, short-circuit faults, incorrect protection settings, wiring problems, or abnormal operating conditions. Review the trip indication and investigate the connected circuit before resetting the breaker.
Q10: Is the MT63H1b interchangeable with the MT50H1b?
Interchangeability cannot be established from the model names alone. Differences in rated current, breaking capacity, physical construction, connections, and protection configuration may prevent direct replacement.
