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Home Product C31/630 KMB Thermal Magnetic Circuit Breaker 630A, MCCB UL489 for Panel Protection
C 31/630 KMB

C31/630 KMB Thermal Magnetic Circuit Breaker 630A, MCCB UL489 for Panel Protection

C31/630 KMB breaker
KMB C31-630 contactor
C31-630 KMB series
C 31/630 KMB
C31/630 KMB breaker and KMB C31-630 contactor components from the C31-630 KMB series, designed for high-performance electrical circuit control and power distribution applications.
Categories:Power Transmission
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Product Description

The C31/630 KMB series is a robust line of circuit protection and control devices designed for industrial applications, including the C31/630 KMB breaker and KMB C31-630 contactor. These components typically feature multiple inputs and outputs, supporting direct integration with up to 4 auxiliary modules for expanded functionality. They are compatible with standard industrial communication protocols like Modbus or EtherCAT via optional interface modules. Operating within a voltage range of 220–690V AC and temperatures from -25°C to +60°C, the C31-630 KMB series excels in harsh environments such as manufacturing plants, energy distribution systems, and heavy machinery. Key advantages include high interrupting capacity (up to 630A), compact modular design, and durable arc-quenching technology. Limitations may include higher initial costs compared to basic alternatives. While the series lacks built-in batteries or displays, its mechanical status indicators provide clear operational feedback. The contacts are optimized for fast response times, with typical actuation distances under 2mm for reliable switching performance. These devices prioritize safety and longevity in mission-critical power management scenarios.
ParameterSpecification
Model SeriesC31/630 KMB Series
Breaker TypeC31-630 KMB Breaker (Fixed Thermal-Magnetic)
Rated Current630A
Rated Voltage400V AC
Poles3P/4P
Breaking Capacity50kA (IEC 60947-2)
Trip UnitAdjustable Thermal & Magnetic
Mechanical Life20,000 cycles
Terminal TypeScrew/Plug-in
Contactor CompatibilityKMB C31-630 Contactor (32A AC-3)
Control Voltage24-440V AC/DC
Contact Configuration3NO + 1NC
MountingDIN Rail/Plate
IP RatingIP20 (Breaker)/IP40 (Enclosed)
CertificationsCE, RoHS, IEC/EN 60947
question:Why are the received products with removed labels?
answer:Labels are removed per brand policies to prevent resale. Functionality remains intact. Contact us for assistance.
question:What payment methods do you accept?
answer:We accept TT, PayPal, LC, and other secure payment methods. Contact us for specific options.
question:Why can't you supply discontinued models others offer?
answer:We prioritize verified stock. Other suppliers may source unverified or refurbished units.
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:Why are the received products with removed labels?
answer:Labels are removed per brand policies to prevent resale. Functionality remains intact. Contact us for assistance.
question:What payment methods do you accept?
answer:We accept TT, PayPal, LC, and other secure payment methods. Contact us for specific options.
question:Why can't you supply discontinued models others offer?
answer:We prioritize verified stock. Other suppliers may source unverified or refurbished units.
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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