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1.1 Scope of application

With its excellent performance experience, high reliability and quality, and comprehensive and leading intelligent power distribution solutions, it has won full recognition from international and domestic users. Its achievements span various fields such as construction, industry, energy, and infrastructure, representing the international advanced level of low-voltage complete equipment.

1.2 Performance

■ Excellent performance experience

Excellent electrical performance in the industry, meeting various customer needs

The anti-corrosion and salt spray environment solution meets the stringent environmental requirements on site

EMC (Electromagnetic Compatibility) performance is excellent, meeting the on-site anti-interference capability requirements

With a high resistance to arcing up to 690V85kA0.5s and a seismic intensity of 9 degrees, it meets the on-site operation and maintenance safety as well as vibration environmental requirements

■ Excellent industry parameters

Complies with international standards, including IEC61439, IEC60529, and IEC60947

Comply with local standards, fully meet local regulations and technical requirements

The system utilizes Schneider Electric switch components to ensure optimal operation

■ Strong seismic performance

The standards are IEC60068-3-3 and GB/T2424.25

Resistant to earthquake intensity of 9 degrees

■ High-level arc protection

Standards IEC61641-V3, GB/T18859

Withstands up to 85kA 0.5slpc arc

■ Comprehensive anti-corrosion plan

Standard IEC60721-3-3

H2S and SO2 gas protection

Petrochemical, mining, and metallurgical industries

Main Technical Parameters Table of BlokSeT's New Generation Pre-Intelligent Low-Voltage Complete Equipment

DC parameters
Application: Power distribution/motor control
IS (Operation and Maintenance Index): 211 to 333
Reference standards: IEC 60529, IEC61439-1/2, IEC61641, GB/T7251.1/2, GB/T 7251.8, GB/T18859, GB/T2424.25
Climate tolerance, damp heat resistance: IEC 60068-2-30
Climate tolerance Dry heat tolerance: IEC 60068-2-2
Climate tolerance Low temperature tolerance: IEC 60068-2-1
Climate tolerance, salt spray resistance: IEC 60068-2-11
Installation locations: Indoor
Environment: Class 2
Mechanical data
Cable entry/exit: top/bottom
Wiring method: front*/rear
Protection level: IP20~54
Isolation form: 1/2b/3a/3b/4b
Connection form: FFF/WWW
Size (mm) Height: 2200*
Dimensions (mm) Width: 400/600/700/800/900/1000/1100/1200/1300/1400/1600
Size (mm) Depth: 600/1000
Average weight per unit: 650kg
Shell: epoxy resin powder coating >50μ
Shell color: RAL9003/RAL7016
Electrical data
Rated insulation voltage (Ui): 1000V
Rated operating voltage (Ue): 400/690*VAC
Rated frequency (F): 50/60Hz
Rated impulse voltage (Uimp): 12kV
Rated auxiliary circuit voltage: 230VAC max
Overvoltage level: IV
Pollution level: 3
Horizontal busbar rating: up to 7000A
Rated value of vertical busbar: up to 3200A
Horizontal busbar Rated short-time withstand current (Icw/1s): 30/50/65/80/100kA
Horizontal busbar Rated peak withstand current (lpk): 63/105/143/176/220kA
Rated value of vertical busbar: Rated short-time withstand current (Icw/1s): 30/50/65/70/80kA
Vertical busbar rating Rated peak withstand current (lpk): 63/105/143/154/176kA
Internal combustion arc personal protection IEC61641V3: 85kA for 0.5s (Ipc arc), 65kA for 0.3s (lp arc)
The seismic resistance can reach GB/T2424.25: earthquake intensity of 9 degrees
Grounding system: TT-IT-TNS-TNC
Maximum incoming and outgoing line switch: 6300A
Maximum motor capacity: 250 kW

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