Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM

Product Details
Customization: Available
Breaking Capacity: Low Voltage Circuit Breakers
Operation: Manual Type
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  • Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
  • Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
  • Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
  • Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
  • Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
  • Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
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Basic Info.

Model NO.
DAM3-250
Arc-extinguishing Medium
Arc Chamber
Installation
Fixed
Structure
MCCB
Poles Number
3
Type
Circuit Breaker
Function
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
Certification
ISO9001-2000, CE, CB, CCC, RoHS
Base
BMC Unflaming Material
Terminal
with Terminal Box
Transport Package
Carton
Specification
63, 80, 100, 125, 160, 200, 250A
Trademark
CDADA, OEM, ODM
Origin
Shanghai, China
HS Code
8536200000
Production Capacity
40000PCS/Month

Product Description

Overview
Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM


The distinguished Dada DAM3-250 molded case circuit breaker is engineered to handle a rated current soaring up to an impressive 250A. These robust electrical devices are perfectly suited for power distribution circuits operating with an alternating current of 50-60Hz, effectively managing a rated operating current as high as 1000A. With versatility at its core, this circuit breaker is also adept for use with electric motors, facilitating infrequent starting alongside comprehensive overload protection. Additionally, it provides exceptional safeguarding against short circuiting and undervoltage conditions, ensuring your electrical systems are consistently shielded.

The innovative DAM3 series stands out when compared to the DAM1 series, as it is meticulously crafted for a more compact design, significantly enhanced breaking capacity, and ultimately superior energy efficiency. This makes it an ideal choice for modern electrical infrastructure needs.

Electrical parameters of DAM3-250 molded case circuit breaker
Rated current of frame size Inm [A]   250
Rated current [A] 100-250 100-225
Number of poles 2 / 3 / 4
Rated operating voltage (AC)50-60HZ [V] 400/690
DC [V] 250/1000
Rated impulse withstand voltage Uimp [KV] 8
Rated insulation voltage Ui [V] 750
Test voltage at industrial frequency for 1 min [V] 3000
Rated ultimate short-circuit breaking capacity Icu [KA] B C N S
(AC)50-60HZ 220/230V [KA] 30 36 50 75
(AC)50-60HZ 400/415V [KA] 18 25 36 50
(AC)50-60HZ 690V [KA] 6 8 12 15
(DC)250V-2 Poles in series 18 22 30 40
(DC)500V-2 Poles in series 9 12 15 20
(DC)750V-4 Poles in series 16 18 22 30
(DC)1000V-4 Poles in series 13 15 18 25
Rated service short-circuit breaking capacity, Ics [KA]        
(AC)50-60HZ 220/230V [%Icu] 60% 60% 60% 50%
(AC)50-60HZ 400/415V [%Icu] 60% 60% 60% 50%
(AC)50-60HZ 690V [%Icu] 60% 60% 60% 50%
category of utilization (EN 60947-2) A
Isolation condition Bitmap
Reference standard IEC/EN 60947-2/GB 14048.2
Interchangeability Bitmap
Versions Fixed Bitmap
Plug-in Bitmap
Draw-out -

Physical parameters DAM3-250 molded case circuit breaker
Endurance Total cycles 10000
Electrical endurance 1500
Mechanical endurance 8500



Basic dimensions-fixed version
3/4 Poies W[mm] 70(2P) /104 /139
3/4 Poies H[mm] 59 62.5
H1[mm] 78.5 82
3/4 Poies L[mm] 139

Introduction
The state-of-the-art DAM3-250 molded case circuit breaker is designed to automatically interrupt the current flow once it surpasses the predetermined release setting. The term 'molded case' highlights the sophisticated plastic insulator that serves as the backbone of the device, ensuring effective insulation of the conductor and the metal grounding component, thus enhancing safety and reliability.

Working principle
The operational principle of the DAM3-250 molded case circuit breaker involves either manual manipulation or electric closing of the main contact. Upon closure, the highly reliable free release mechanism secures the main contact in the closed position. The overcurrent trip coil and the thermal trip element, both integral to the main circuit, work in series. In contrast, the undervoltage trip coil is strategically connected in parallel with the power supply, ensuring meticulous protection and uninterrupted performance.

Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM

Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM

Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM
Quality MCCB Fixed Type Circuit Breaker by Cdada OEM ODM

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