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Home Product VRB-140C-10-K3-38KA35 Heavy Duty Circuit Breaker VRB Series 38kA Current Rating High Voltage Power System Protection
NIDEC VRB-140C-10-K3-38KA35

VRB-140C-10-K3-38KA35 Heavy Duty Circuit Breaker VRB Series 38kA Current Rating High Voltage Power System Protection

VRB-140C-10-K3
38KA35 circuit breaker
VRB series breaker
VRB-140C-10-K3-38KA35
VRB-140C-10-K3 38KA35 circuit breaker from the VRB series breaker line provides high-performance overcurrent protection, optimized for industrial electrical systems with robust interrupting capacity and durability.
Categories:Power Transmission
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Product Description

The VRB-140C-10-K3-38KA35 circuit breaker, part of the VRB series breaker family, is a 3-pole molded-case device with a 38kA short-circuit rating. Designed for industrial power distribution systems, it operates at 400-690VAC and supports ambient temperatures from -25°C to +70°C. Its 140A current rating and IP65 protection suit harsh environments like steel plants and oil refineries. This model integrates 3 primary inputs/outputs, allows daisy-chaining of up to 4 expansion modules via RS485/MODBUS, and features a 2.8-inch LCD for parameter monitoring. Key advantages include vibration-resistant construction and arc-quenching technology, though its 320mm depth requires careful panel spacing. The thermal-magnetic trip unit ensures precise overload detection within 0.5-30m range.
Parameter Specification
Model VRB-140C-10-K3
Application 38KA35 circuit breaker
Series VRB series breaker
Rated Current 140A
Rated Voltage 400V AC
Breaking Capacity 38kA
Number of Poles 3P
Mounting Type Fixed
Trip Characteristic K-type
Mechanical Life 20,000 cycles
Electrical Life 10,000 cycles
Standards IEC 60947-2
Operating Temperature -25°C to +70°C
Protection Class IP40
Terminal Capacity 35mm²
question:Can shipments apply for low-value declaration?
answer:Yes, eligible shipments can apply based on destination regulations.
question:Does the company have a professional product selection engineering team?
answer:Yes, our expert team ensures optimal product choices for clients.
question:Why can other suppliers source discontinued models you can’t provide?
answer:Suppliers may have niche networks or remaining stock for rare models.
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:Can shipments apply for low-value declaration?
answer:Yes, eligible shipments can apply based on destination regulations.
question:Does the company have a professional product selection engineering team?
answer:Yes, our expert team ensures optimal product choices for clients.
question:Why can other suppliers source discontinued models you can’t provide?
answer:Suppliers may have niche networks or remaining stock for rare models.
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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