Specializing in the production of insulation products

4000A Maximum Current Switchgear – RZP5.076c/d 12kV Embedded Pole 50kA Breaking Capacity

Description:

Bepto RZP5.076c/d 12kV Embedded Pole: 3150A/4000A dual current ratings, enhanced 50kA breaking capacity, 125kA peak withstand, ≤15μΩ ultra-low resistance.

Applications:

  • Steel & Metallurgy: 4000A electric arc furnaces, continuous casting machines, and rolling mill main feeders requiring maximum current capacity
  • Aluminum Smelting: Large-scale electrolytic cell arrays and refining furnaces with extreme power demands up to 4000A continuous operation
  • Data Center Complexes: Hyperscale cloud computing facilities, AI training centers demanding 4000A power distribution reliability
  • Energy Storage Systems: Mega-scale battery storage installations and grid-scale renewable energy integration projects

Specifications

RZP5.076c-d 12 kV Embedded Pole, 3150A 4000A

Drawing No. Specification Match The Insulated Pull Rod Match The Flexible Connection Match The Contact Arm Sleeve
RZP5.076c EP 12/ 3150-50 RAP4.110h. 05 RAP4.026c. 02 RAP4.110b.11
RZP5.076d EP 12/ 4000- 50 RAP4.110h. 05 RAP4.026c. 02 RAP4.110a.11

Features

Main Technical Data
Data Value Unit
Rated voltage 12 kV
Rated current 3150 4000 A
Rated frequency 50 Hz
Rated short-circuit breaking current 50 kA
Operations of short-circuit breaking current interruption 30 time
Rated short-circuit making current 125 kA
Rated peak withstand current 125 kA
Rated short-time withstand current(4s) 50 kA
Rated single capacitor bank breaking current 630 ※ A
Rated back-to-back capacitor breaking current 400 ※ A
Short-time(1min) power-frequency withstand voltage 48 kV
Lighting impulse withstand voltage(peak) 75 kV
Circuit resistance at rated contact force ≤15 μΩ
Mechanical life 30,000 time
Contact closing force due to bellows and atmosphere 250±60 N
Counterforve at rated contact stroke 360±60 N
Contact limit erosion 3 mm
Shelf life 20 year
partial discharge ≤1 pC
Rated operating sequence 0-0.3s-co-180s-co
Mechanical Data Of Circuit Equipped With Interrupters
Data Value Unit
Rated contact stroke 9±1 mm
Contact connection stroke 3±1 mm
Average opening speed 0.9~1.3 m/s
Average closing speed 0.4~0.8 m/s
Rated operation pressure of contact 5000±300 N
Bounce duration of contact closing ≤2 ms
Out of simultaneity of contact closing and opening ≤1 ms
Max. overtravel ≤2 mm

“※”Rated characteristics to be given on requeset

Manual

RZP5.076c-d-12-kV-Embedded-Pole-3150A-4000A.pdf
PDF File 1.05 MB

Let The World Know About Bepto

Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.

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