• LS Electric Pro-MEC LVB VCB for Power Plants (7.2 kV 40/50 kA)
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LS Electric Pro-MEC LVB VCB for Power Plants (7.2 kV 40/50 kA)

LS Electric Pro-MEC LVB VCB for Power Plants (7.2 kV 40/50 kA)

LS Electric Pro-MEC LVB 7.2 kV vacuum circuit breakers and LCL cradles for thermal and hydro power plants, 40/50 kA, 1200-3150 A, G-type draw-out.

Key features

  • High-capacity 40/50 kA VCB series developed for KEPCO power plants
  • H version to ES150 (KEPCO AC breaker standard), J version to IEC 62271-100; KERI tested
  • G-type open draw-out with tulip contacts and window-CT bushings
  • Includes MOC, TOC, auto connection, code plate, early-b contact, padlock, position interlock, flame-retardant wiring
  • Control voltage DC 110 V (1A) or DC 125 V (1E), aux 3a3b (2L) and options suffixed at order, e.g. LVB-06G-40J/12-1E2L

Specifications

Rated voltage 7.2 kV
Rated frequency 60 Hz
Rated breaking time 3 cycles
Opening time <= 0.04 s
Closing time <= 0.06 s
Insulation level 20 kV power freq. / 60 kV BIL
Auxiliary contacts 3a3b
Switching classes M2, C2, E2
Mechanical endurance 10,000 (no maint.) / 20,000 ops
Installation G-type draw-out, tulip contacts
Source LS Electric Pro-MEC VCB for Power Plants catalog C050I1-02 (2023-11), p. 4, 14
LVB-06G-40H/12 Part: Breaker | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 1200 A
LVB-06G-40H/20 Part: Breaker | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 2000 A
LVB-06G-40H/30 Part: Breaker | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 3000 A
LVB-06G-40J/12 Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 1250 A
LVB-06G-40J/20 Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 2000 A
LVB-06G-40J/25 Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 2500 A
LVB-06G-40J/30 Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 3150 A
LVB-06G-50J/12 Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 1250 A
LVB-06G-50J/20 Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 2000 A
LVB-06G-50J/30 Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 3150 A
LCL-06G-40H/12 Part: Cradle | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 1200 A
LCL-06G-40H/20 Part: Cradle | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 2000 A
LCL-06G-40H/30 Part: Cradle | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 3000 A
LCL-06G-40J/12 Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 1250 A
LCL-06G-40J/20 Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 2000 A
LCL-06G-40J/25 Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 2500 A
LCL-06G-40J/30 Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 3150 A
LCL-06G-50J/12 Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 1250 A
LCL-06G-50J/20 Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 2000 A
LCL-06G-50J/30 Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 3150 A
Vacuum Circuit BreakersLS Electric
20 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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LS Electric Pro-MEC LVB VCB for Power Plants (7.2 kV 40/50 kA)

Brand LS Electric·Vacuum Circuit Breakers

Available part numbers (20)

LVB-06G-40H/12, LVB-06G-40H/20, LVB-06G-40H/30, LVB-06G-40J/12, LVB-06G-40J/20, LVB-06G-40J/25, LVB-06G-40J/30, LVB-06G-50J/12, LVB-06G-50J/20, LVB-06G-50J/30 + 10 more — see full table ↓

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Product codes & specifications
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Product codeSpec
LVB-06G-40H/12Part: Breaker | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 1200 A
LVB-06G-40H/20Part: Breaker | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 2000 A
LVB-06G-40H/30Part: Breaker | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 3000 A
LVB-06G-40J/12Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 1250 A
LVB-06G-40J/20Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 2000 A
LVB-06G-40J/25Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 2500 A
LVB-06G-40J/30Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 3150 A
LVB-06G-50J/12Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 1250 A
LVB-06G-50J/20Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 2000 A
LVB-06G-50J/30Part: Breaker | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 3150 A
LCL-06G-40H/12Part: Cradle | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 1200 A
LCL-06G-40H/20Part: Cradle | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 2000 A
LCL-06G-40H/30Part: Cradle | Version: H (ES150, KEPCO std.) | Breaking current: 40 kA | Rated current: 3000 A
LCL-06G-40J/12Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 1250 A
LCL-06G-40J/20Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 2000 A
LCL-06G-40J/25Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 2500 A
LCL-06G-40J/30Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 40 kA | Rated current: 3150 A
LCL-06G-50J/12Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 1250 A
LCL-06G-50J/20Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 2000 A
LCL-06G-50J/30Part: Cradle | Version: J (IEC 62271-100) | Breaking current: 50 kA | Rated current: 3150 A

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