製品紹介
The Allen Bradley 140G-K3F4-D40 Molded Case Circuit Breaker is a high-performance molded case circuit breaker (MCCB) designed to provide reliable protection for industrial power distribution systems. As part / the 140G series, this model is built to handle demanding electrical loads while ensuring safety against overloads and short-circuit conditions.
With a rated current / 400 A and a breaking capacity / 35 kA at 480 V, this breaker is suitable for medium to high-power applications. The K frame design /fers a compact footprint while maintaining high interrupting capacity. It features a thermal-magnetic (T/M) trip 台 with adjustable thermal and magnetic settings, allowing flexible protection tuning based on system requirements.
This 4-pole configuration makes it ideal for applications requiring neutral line protection or complete circuit isolation. Designed as an 80% rated MCCB, it ensures stable continuous operation within defined limits. The 台 is panel mountable and does not support bus bar mounting, /fering flexibility in installation.
製品仕様
| Parameter | 説明 |
|---|---|
| Product モデル | 140G-K3F4-D40 |
| Series | 140G MCCB |
| Frame Type | K Frame |
| Rated Current | 400 A |
| Number / Poles | 4 Pole |
| Breaking Capacity | 35 kA @ 480 V |
| Trip ユニット Type | Thermal-Magnetic (Adjustable) |
| Thermal Setting | Adjustable |
| Magnetic Setting | Adjustable |
| Utilization Rating | 80% Rated |
| Mounting Type | Panel Mountable |
| Bus Bar Compatibility | No Bus Bar Mounting |
| Standards | IEC |
| Dimensions | 205 × 103.5 × 185 mm |
| 重量 | 4.15 kg |
Applications
● Industrial Power Distribution Systems
Reliable circuit protection ensures safe operation under high load conditions.
● Three-Phase + Neutral Systems
4-pole configuration provides full isolation including the neutral line.
● Control Panels and Switchgear
Compact K frame design allows efficient integration into electrical panels.
● Motor Control Applications
Adjustable trip settings enable tailored protection for different load pr/iles.
● Energy and Utility Infrastructure
High interrupting capacity protects critical systems from fault currents.
Advantages
● High Breaking Capacity
35 kA at 480 V ensures strong protection against short-circuit faults.
● Flexible Protection Settings
Adjustable thermal and magnetic trip allows precise system configuration.
● 4-Pole Protection
Full circuit isolation including neutral enhances safety in complex systems.
● Compact and Robust Design
K frame structure balances size and performance for industrial use.
● Installation Flexibility
Panel mountable design supports various installation configurations.
● Reliable Continuous Operation
80% rated MCCB ensures stable long-term performance.
会社情報
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Add: 中国福建省廈門市思明区呂嶺路2号 阿里山ビル 〒361006
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