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Home Product Eaton 400NHG03B NHG Series 400A Molded Case Circuit Breaker for Power Distribution Systems
Eaton 400NHG03B

Eaton 400NHG03B NHG Series 400A Molded Case Circuit Breaker for Power Distribution Systems

Eaton 400NHG03B breaker
NHG03B molded case
Eaton NHG03B replacement
Eaton 400NHG03B
Eaton 400NHG03B breaker is a molded case circuit breaker from the NHG03B series, designed for reliable circuit protection in commercial and industrial applications. Offers durable NHG03B molded case construction and serves as a direct Eaton NHG03B replacement for original equipment maintenance. (193 characters)
Categories:Automation
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Product Description

The Eaton 400NHG03B breaker is a high-performance NHG03B molded case circuit breaker designed for reliable protection in industrial and commercial power distribution systems. This device operates within a voltage range of 240–600V AC and supports a temperature range of -20°C to +60°C. Featuring 3 poles and a compact design, it offers a breaking capacity of up to 100 kA, ensuring robust short-circuit protection. The Eaton NHG03B replacement model integrates seamlessly with modular accessories like shunt trips or auxiliary contacts and can be paired with communication modules for remote monitoring via protocols like Modbus. Its key advantages include durability, easy installation, and compliance with international safety standards, though limited customization options may pose challenges in specialized setups. Ideal for HVAC, manufacturing, and energy sectors, it prioritizes operational efficiency and system reliability.
Parameter Specification
Model Identification Eaton 400NHG03B MCCB
Frame Type NHG03B Molded Case Structure
Rated Current 400A (Fixed Thermal-Magnetic Trip)
Voltage Rating 480V AC, 60Hz
Interrupt Capacity 65kA @ 480V (UL 489 Listed)
Standards Compliance IEC 60947-2, UL 1077
Connection Type Vertical Feed-through Lug
Replacement Compatibility Eaton NHG03B Series Direct Retrofit
Accessory Mounting Auxiliary Switch, Undervoltage Release
Operating Temperature -25°C to +60°C (-13°F to +140°F)
question:How does after-sales handle faults caused by refurbished products?
answer:We provide free repair or replacement for refurbished product faults within warranty period.
question:Do you offer technical selection services?
answer:Yes, we provide professional technical guidance to help customers choose suitable products.
question:Can you share shipment photos or purchase details of similar products?
answer:We share general product info upon request but protect client confidentiality.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:How does after-sales handle faults caused by refurbished products?
answer:We provide free repair or replacement for refurbished product faults within warranty period.
question:Do you offer technical selection services?
answer:Yes, we provide professional technical guidance to help customers choose suitable products.
question:Can you share shipment photos or purchase details of similar products?
answer:We share general product info upon request but protect client confidentiality.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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