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MCCB 100A 25kA 3P 4P Circuit Breaker
The YCM7-125S and YCM7-160S MCCB 100A Circuit Breakers are premium molded case circuit breakers designed for industrial and commercial power distribution. Compliant with IEC60947-2, these breakers deliver robust protection against overloads, short circuits, and undervoltage conditions. With compact designs and versatile configurations (3P/4P), they are ideal for applications requiring reliable 100A-rated protection.
| Model | YCM7-125S | YCM7-160S |
|---|---|---|
| Rated Current | 63A-125A | 63A-160A |
| Poles | 3P, 4P | 3P, 4P |
| Rated Voltage | AC400V/AC690V | AC400V/AC690V |
| Breaking Capacity (Icu) | 15kA @ 400V | 25kA @ 400V |
| Standards | IEC60947-2 | IEC60947-2 |
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Product Details
Optimized for 100A Applications
YCM7-125S: Supports 63A, 80A, 100A, 125A (adjustable).
YCM7-160S: Wider range: 63A to 160A, ideal for scalable systems.
Available in 3P (3-pole) and 4P (4-pole) configurations.
Superior Breaking Capacity
YCM7-125S: 15kA short-circuit breaking capacity at AC400V.
YCM7-160S: 25kA short-circuit breaking capacity at AC400V.
Thermal-Magnetic Tripping
Precision Protection: Inverse-time overload + instantaneous short-circuit response.
Motor Protection: 12In trip setting for motor circuits (YCM7-160S).
Compact & Durable Design
Miniaturized Shell: Uniform dimensions for easy retrofitting.
Extended Lifespan: 7,000 mechanical operations (ON/OFF cycles).
Flexible Installation
Mount vertically or horizontally.
Resists harsh environments: -5°C to +45°C, humidity, vibration (up to 4g).
Applications
Industrial Power Distribution: Protect panels in factories, data centers, and commercial buildings.
Motor Control Centers: Safeguard pumps, HVAC systems, and compressors.
Marine & Offshore: Built to withstand vibration and humidity.
Why Choose YCM7-125S/YCM7-160S?
Reliability: High breaking capacity ensures system safety.
Scalability: Adjustable current settings for future upgrades.
Certified Quality: Meets global standards for performance and safety.
| Type | Frame lnm | Breaking capacity lcu/lcs(kA) | Operation | Poles | ||
| YCM7 | 125 | M | p | 4 | ||
| MCCB | 125, 160, 250, 630, 800 Remark:125 Frame upgrade from 63 160 Frame upgrade from 125 250 Frame upgrade from 225 630 Frame upgrade from 400 | 125,160,250,400,630,000 | S2024/8/15，25/18，25/18，35/25 | M---50/35 50/35 50/35 | P: Motor-driven Z: Rotory handle W: Direct | 3: 3P 4: 4P |
| Tripping mode and inner accessory | Rated current(A) | Application | Option for 4P MCCB | |||
| 300 | 125A | 2 | A | |||
| First figure means tripping unit way2: Only with magnetic release3: Thermal release+,magnetic release body Remark:The last two figures means accessory code (see accessories list) | 125 63, 80, 100, 125 160 63, 80, 100, 125, 140,160 250 100, 125, 140, 160, 180,200, 225, 250 400 250, 315, 350, 400 630 500, 630 800 500, 630, 700, 800 | 1. Power distribution 2. Motor-protection | A: N pole without protection,N poleis always ON B: N pole without protection,N pole makes with the other three poles | |||
| Accessory voltage | Motor-driven operation voltage | Connection | With the connection | |||
| plate or not | ||||||
| Q1 | D1 | Q | 2 | |||
| UVT Q1: AC220V Q2: AC240V Q3: AC380V Q4: AC415V | Shunt F1: AC220V F2: AC380V F3: AC110V F4: DC24V | Auxiliary J1: AC125V J2: AC250V J3: DC125 J4: DC24V | DC3 D5: AC220V D6: AC110V D7: DC220V D8: DC110V D9: AC110~240V D10: DC100~220V | Q: Front H: Rear C: Plug-in | 1: not 2: yes | |
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Address：CNC High-Tech Hutou Industrial Zone, Liushi Town, Yueqing, Wenzhou Ctity, China
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