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Residual Current Circuit Breaker

Negotiable

Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires pictures & photos

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What is Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires

Name: Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires
Uploaded: 2026-01-05T03:37:34+08:00
Description: Product Overview The Smart MCCB integrates a residual current relay, contactor, and MCCB into one device. It is suitable for three-phase four-wire power supply systems with a grounded neutral point,

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About this Item

Price

Min. Order Reference FOB Price

2 Pieces Negotiable

Sepcifications

Breaking Capacity High Voltage Circuit Breakers
Operation Manual Automatic
Speed Normal Type Circuit Breaker
Arc-extinguishing Medium Air
Installation Fixed or Withdrawable
Structure MCCB
Type Circuit Breaker
Trademark customizable
Origin China
Product Name Residual Current Circuit Breaker
Model Ldm9EL-400

Product Description

Product Overview The Smart MCCB integrates a residual current relay, contactor, and MCCB into one device. It is suitable for three-phase four-wire power supply systems with a grounded neutral point, providing protection against grounding faults, overcurrent, short circuits, phase loss, and ...

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Zhejiang Leidun Electric Co., Ltd

Diamond Member Since 2025

Audited Supplier

Rating & Reviews: 5.0/5.0

(2 Reviews)

Main Products Automatic Transfer Switch, Surge Protector, Distribution Box, EV Charger, Circuit Breaker, ...
Address Xiamen Village, Liushi Town, Yueqing City, Wenzhou, Zhejiang, China
Main Markets North America, Africa, Mid East
Export Year 2023-06-09
Nearest Port Ningbo, Shanghai

Residual Current Circuit Breaker Comparison

	Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires Contact Now	CNC Ycb9-63L 1p Miniature Circuit Breaker Contact Now	Quick View Ycb9zf Series 4p WiFi Micro Circuit Breaker Contact Now	CNC Ycb1-125 4p Miniature Circuit Breaker Contact Now	Quick View Ycb9zf Series 3p WiFi Micro Circuit Breaker Contact Now

Transaction Info
	Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires Contact Now	CNC Ycb9-63L 1p Miniature Circuit Breaker Contact Now	Quick View Ycb9zf Series 4p WiFi Micro Circuit Breaker Contact Now	CNC Ycb1-125 4p Miniature Circuit Breaker Contact Now	Quick View Ycb9zf Series 3p WiFi Micro Circuit Breaker Contact Now
Price	Negotiable	US$0.10-999.00 / Piece	US$0.10-999.00 / Piece	US$0.10-999.00 / Piece	US$0.10-999.00 / Piece
Min Order	2 Pieces	1 Piece	1 Piece	1 Piece	1 Piece
Payment Terms	-	LC, T/T, PayPal, Western Union, Small-amount payment	LC, T/T, PayPal, Western Union, Small-amount payment	LC, T/T, PayPal, Western Union, Small-amount payment	LC, T/T, PayPal, Western Union, Small-amount payment
Quality Control
Product Certification	-	VDE, ISO9001-2000, CE, CB, CCC	VDE, ISO9001-2000, CE, CB, CCC	VDE, ISO9001-2000, CE, CB, CCC	VDE, ISO9001-2000, CE, CB, CCC
Management System Certification	-	-	-	-	-
Trade Capacity
Export Markets	North America, Africa, Mid East	North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia	North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia	North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia	North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia
Annual Export Revenue	-	-	-	-	-
Business Model	-	ODM, OEM	ODM, OEM	ODM, OEM	ODM, OEM
Average Lead Time	-	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: one month Off Season Lead Time: one month
Product Attributes
Specification	Breaking Capacity: High Voltage Circuit Breakers; Operation: Manual Automatic; Speed: Normal Type Circuit Breaker; Arc-extinguishing Medium: Air; Installation: Fixed or Withdrawable; Structure: MCCB; Type: Circuit Breaker; Product Name: Residual Current Circuit Breaker; Model: Ldm9EL-400;	Breaking Capacity: Low Voltage Circuit Breakers; Operation: Manual Type; Speed: Normal Type Circuit Breaker; Arc-extinguishing Medium: Air; Installation: Insert; Structure: MCB; Poles Number: 1; Type: Circuit Breaker; Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection); Competitive Quotation: Yes;	Breaking Capacity: Low Voltage Circuit Breakers; Operation: Manual Type; Speed: Normal Type Circuit Breaker; Arc-extinguishing Medium: Air; Installation: Insert; Structure: MCB; Poles Number: 1; Type: Circuit Breaker; Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection); Competitive Quotation: Yes;	Breaking Capacity: Low Voltage Circuit Breakers; Operation: Manual Type; Speed: Normal Type Circuit Breaker; Arc-extinguishing Medium: Air; Installation: Insert; Structure: MCB; Poles Number: 1; Type: Circuit Breaker; Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection); Competitive Quotation: Yes;	Breaking Capacity: Low Voltage Circuit Breakers; Operation: Manual Type; Speed: Normal Type Circuit Breaker; Arc-extinguishing Medium: Air; Installation: Insert; Structure: MCB; Poles Number: 1; Type: Circuit Breaker; Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection); Competitive Quotation: Yes;
Supplier Name	Zhejiang Leidun Electric Co., Ltd	Zhejiang Changcheng Trading Co., Ltd.	Zhejiang Changcheng Trading Co., Ltd.	Zhejiang Changcheng Trading Co., Ltd.	Zhejiang Changcheng Trading Co., Ltd.
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