[email protected]
Home > Circuit Breaker > ODM SJKM3E Electronic Circuit Breaker (ECB) with Smart Protection Manufacturers, Factory
ODM SJKM3E Electronic Circuit Breaker (ECB) with Smart Protection Manufacturers, Factory
ODM SJKM3E Electronic Circuit Breaker (ECB) with Smart Protection Manufacturers, Factory
ODM SJKM3E Electronic Circuit Breaker (ECB) with Smart Protection Manufacturers, Factory
ODM SJKM3E Electronic Circuit Breaker (ECB) with Smart Protection Manufacturers, Factory
1 / 4
ODM SJKM3E Electronic Circuit Breaker (ECB) with Smart Protection Manufacturers, Factory
ODM SJKM3E Electronic Circuit Breaker (ECB) with Smart Protection Manufacturers, Factory
ODM SJKM3E Electronic Circuit Breaker (ECB) with Smart Protection Manufacturers, Factory
ODM SJKM3E Electronic Circuit Breaker (ECB) with Smart Protection Manufacturers, Factory

ODM SJKM3E Electronic Circuit Breaker (ECB) with Smart Protection Manufacturers, Factory

The SJKM3E Electronic Circuit Breaker (ECB) delivers advanced circuit protection for 16A-800A loads at 400V/800V AC (50/60Hz) in 3P/4P configurations. This industrial-grade ECB meets IEC60947-2/GB14048.2 standards, featuring 8kV impulse withstand and reliable isolation with visible "OFF" position indication. Designed for harsh environments, it operates at 2000m altitude (with derating) and withstands Pollution Degree III conditions with IP20/IP40 protection. The SJKM3E ECB ensures stable performance in +40°C/50% humidity (90% monthly max), making it ideal for power distribution systems requiring precision protection and isolation safety.

Send Inquiry

Product Description

Type Designation

SJKM3E ECB
①Product Type
②Molded Case Circuit Breaker (MCCB) Designation
③Design Code
④Release Type
⑤Frame Current Rating (A)
⑥Breaking Capacity Class
⑦Operation Mode
⑧Number of Poles
⑨Accessory Code

Release Mechanism & Accessories

♦ Release Characteristics

Equipped with comprehensive protection functions including overload long-time inverse time delay, short-circuit time delay inverse limit, short-circuit short-time delay fixed time limit, and short-circuit instantaneous action. Users can customize the protection characteristics to meet specific requirements. The neutral line overcurrent protection parameters automatically track 100% of the phase line setting values.

SJKM3E Characteristics 1
SJKM3E Characteristics 2
  • ■ Alarm Contact (NC)
  • ■ Auxiliary Contact (NO+NC)
  • ■ Shunt Release
  • ■ Undervoltage Release
  • ■ Wiring Direction
SJKM3E-5

Product Gallery

SJKM3E Display 1
SJKM3E Display 2
SJKM3E Display 3
SJKM3E Display 4

Front Panel Wiring Specifications

◆ SJKM3E-125 (L,M,H) Front Panel Wiring (2-pole, 3-pole, 4-pole)

X-X, Y-Y are the centers of 3-pole circuit breaker

SJKM3E-125 Wiring
◆ SJKM3E-125 (L,M,H) Insert Type Front Panel Wiring (3-pole) SJKM3E-125 Insert Wiring
◆ SJKM3E-250 (L,M,H) Front Panel Wiring (3-pole, 4-pole) SJKM3E-250 Wiring
◆ SJKM3E-250 (L,M,H) Insert Type Front Panel Wiring (3-pole) SJKM3E-250 Insert Wiring
◆ SJKM3E-400 (L,M,H) Front Panel Wiring (3-pole, 4-pole) SJKM3E-400 Wiring
◆ SJKM3E-400 (L,M,H) Insert Type Front Panel Wiring (3-pole) SJKM3E-400 Insert Wiring
◆ SJKM3E-630, 800 (L,M,H) Front Panel Wiring (3-pole, 4-pole) SJKM3E-630-800 Wiring
◆ SJKM3E-630, 800 (L,M,H) Insert Type Front Panel Wiring (3-pole) SJKM3E-630-800 Insert Wiring

Frequently Asked Questions (FAQ)

Q1: What are the main protection functions of the SJKM3E series? A: It includes overload long-time delay, short-circuit short-time delay, and instantaneous action protection.
Q2: Can I adjust the protection settings myself? A: Yes, the series allows users to set required protection characteristics independently.
Q3: Does it support neutral line protection? A: Yes, neutral line overcurrent protection automatically tracks 100% of the phase line settings.
Q4: What pole configurations are available? A: The SJKM3E series is available in 2-pole, 3-pole, and 4-pole configurations depending on the specific model.
Q5: What internal accessories can be integrated? A: Compatible accessories include alarm contacts, auxiliary contacts, shunt releases, and undervoltage releases.
Q6: What is the difference between standard and insert type wiring? A: Standard wiring is for direct front panel connection, while insert type allows for easier modular installation and removal.

Related Products

OEM SJKM8 Moulded Case Circuit Breaker MCCB Suppliers, Manufacturer

OEM SJKM8 Moulded Case Circuit Breaker MCCB Suppliers, Manufacturer
China SJKM5DC Direct Current Molded Case Circuit Breaker Manufacturers, Company

China SJKM5DC Direct Current Molded Case Circuit Breaker Manufacturers, Company
Wholesale SJKM5 Industrial MCCB Breaker for Short-Circuit Protection Manufacturers, Factories

Wholesale SJKM5 Industrial MCCB Breaker for Short-Circuit Protection Manufacturers, Factories
China SJKM3 MCCB Moulded Case Circuit Breaker with Overload Protection Supplier, Factories

China SJKM3 MCCB Moulded Case Circuit Breaker with Overload Protection Supplier, Factories
High-Quality SJKM1LY Auto Reclosing Molded Case Circuit Breaker Suppliers, Factory

High-Quality SJKM1LY Auto Reclosing Molded Case Circuit Breaker Suppliers, Factory
China SJKM1 Moulded Case Circuit Breaker (MCCB) for Power Systems Factories, Companies

China SJKM1 Moulded Case Circuit Breaker (MCCB) for Power Systems Factories, Companies
OEM SJK47-125 MCB Miniature circuit breaker DIN Rail Mountable Supplier, Companies

OEM SJK47-125 MCB Miniature circuit breaker DIN Rail Mountable Supplier, Companies
OEM SJK47-63 Miniature Circuit Breaker MCB DPN Manufacturers, Companies

OEM SJK47-63 Miniature Circuit Breaker MCB DPN Manufacturers, Companies
China W1 ACB intelligent universal circuit breaker Supplier, Companies

China W1 ACB intelligent universal circuit breaker Supplier, Companies
China SJKW1-2000 intelligent universal circuit breaker Suppliers, Company

China SJKW1-2000 intelligent universal circuit breaker Suppliers, Company