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Strict Quality

44dgadgyl8

MCCB products testing

KP0A5115gd4

MCCB Characteristic detection
instantaneous testing:5ln-14ln
Overload testing:0.5ln-0.7ln-0.8ln-0.9ln-1ln (under 0.5ln should be customizable)
KP0A518299p

Mccb products Temperature rising room for IEC standard.40℃-55℃, testing for 4-8 hours. IEC standard should be 70K.
KP0A51217nz

MCCB Voltage withstand test
KP0A51567kh

MCCB mechanical life testing
KP0A5078dkc

Fully automated instantaneous testing of molded case circuit breakers

ACB testing

KP0A50652jn
01
2018-07-16
ACB instantaneous 5-10ln testing machine
KP0A5115hl2
01
2018-07-16
Acb mechanical life testing machine.
KP0A51670np
01
2018-07-16
ACB withstand voltage test

MCCB structure inside parts testing

Impulse voltage tester
Equipment function: Used to test the impulse voltage (Uimp) of the mccb
AC/DC withstand voltage testing equipment
Equipment function: 
1. Used for AC/DC withstand voltage testing between product（ABCphases）phases, phases to ground, and between incoming and outgoing lines
2. Used for withstand voltage testing of insulation components, etc
Infrared Carbon and Sulfur Analyzer
Equipment function: Used for analyzing the carbon and sulfur content in black metals, ensuring the quality (hardness and toughness) of subsequent heat treatment. (MCCB components require heat treatment to ensure product strength and better pass mechanical and electrical life tests)

Mechanics Room

Tensile Testing
Pressure Testing
Combustion
Glow Wire

Rockwell

Vickers

KP0A5144xpj

Universal tensile testing machine

Range: 20kN
Equipment function: Used for tensile testing and elongation testing of materials
Used for checking the firmness of welding（mccb metal wielding parts with cupper wire）

KP0A514608d

Universal pressure testing machine

Range: 20kN
Equipment function: used for material bending testing
Used for strength testing of rotating shafts, etc(rotating shafts are made by SMC).

KP0A5167nra

Vertical combustion test equipment

Equipment function: mainly used for combustion testing of insulation materials (MCCB base,mccb parts) and products (open flame test).
Can test the flame retardant levels of V0, V1, V2, V3, and V4 according to IEC regulations.

KP0A5167aqc

Glow Wire Test Equipment

Range: 1000 ℃
Equipment function: Used for combustion testing of insulation materials and products (non open flame)
Can measure flame retardancy verification at 550 ℃, 650 ℃, 850 ℃, 960 ℃ and other temperatures specified in low-voltage electrical standards.

KP0A51425l1

Rockwell hardness tester

Load: 1500N
Equipment function: Used for hardness testing of the operating mechanism of molded case circuit breakers (indicators 200-300 can affect the mechanical life of molded case circuit breakers)

KP0A5143zem

Vickers hardness tester

Load: 1000N
Equipment function: Used for hardness testing of black metal carburization and nitriding (DMC strength testing, plastic case circuit breaker base material strength testing, which can affect product ICU indicators).

Projection room

KP0A5127ett
  • Equipment name: Metallographic prototype (left side)
  • Equipment function: Mainly used for the production of metallographic sample blocks after sampling
  • Equipment name: Metallographic microscope (right side)
  • Range:1000 times
  • Equipment function: Used for detecting the metallographic structure of black metal after carburization and nitriding (DMC strength testing, plastic case circuit breaker base material strength testing, which can affect product ICU indicators)
KP0A5127ft6
  • Equipment name: 2.5-dimensional projector
  • Range: 320mm
  • Equipment function: Used for full size inspection and verification of mold opening FAI
  • Used for measuring irregular components.
  • Used for product research and development surveying and mapping analysis.
  • Used for measuring geometric tolerances.

Physical and Chemical Room

Spectral analyzer
Equipment function: 
Used for detecting Cr chromium, Cd cadmium, Pb lead, Hg mercury, Br bromine, As arsenic in the EU Environmental Protection Directive (RoHS1.0)
Electroplated coating thickness testing, etc
Liquid chromatograph
Equipment function: 
Used for detecting phosphorbenzene in the EU Environmental Protection Directive (RoHS2.0)
Electrolytic thickness gauge
Equipment function: 
Used for detecting electroplating layers（MCCB moving contact ,fixed contact silvering outside）