
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
LAZBJ-10Q Current Transformer 10kV Indoor Epoxy Resin: 5-1000A primary current, 0.2S/0.5S/10P10/10P15 accuracy class, 90×In thermal capacity for 5-200A, 200×In dynamic current, 12/42/75kV insulation, 5A/1A secondary, 50/60Hz, GB1208 IEC60044-1, LAJ-10 replacement, metering & protection.
Advanced LAZBJ-10Q Current Transformer: Indoor single-phase epoxy resin casting type CT conforming to GB1208 and IEC60044-1 standards, rated insulation level 12/42/75kV, rated frequency 50Hz or 60Hz, rated secondary current 5A or 1A, ambient temperature -5°C to +40°C, rated primary current range 5-1000A covering wide current applications, accuracy classes combination including 0.2(S)/10P10, 0.5(S)/10P10, 0.2(S)/10P15, and 0.5(S)/10P15 with accuracy burden 10-20VA, exceptional thermal performance with 90×In (1s thermal current) for 5-200A range providing superior short-circuit withstand capability, 200×In rated dynamic current for 5-200A ensuring maximum safety margin, designed as LAJ-10 replacement.
Superior High Thermal Capacity and LAJ-10 Replacement Solution: LAZBJ-10Q features exceptional 90 times rated current thermal capacity for low-medium current range (5-200A) ensuring outstanding short-circuit protection, rated dynamic current up to 200×In for 5-200A range providing maximum safety margin, 1s thermal current 24.5-63kA for higher ranges with rated dynamic current 44-100kA, parameters optimized as LAJ-10 replacement offering enhanced performance, suitable for switchgear, HV power distribution systems, substation metering, relay protection, energy management systems, industrial power monitoring, and 10kV AC circuit applications requiring reliable current measurement from 5A to 1000A with high thermal withstand capability.

| LAZBJ-10Q Current Transformer Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | LAZBJ-10Q (LAZBJ-10Q) | – |
| Category | Switchgear & HV CT (High Voltage Current Transformer) | – |
| Product Type | 10kV Indoor Single-Phase Epoxy Resin Casting Type Current Transformer with 5-1000A Range, 90×In Thermal Capacity, 200×In Dynamic Current, 0.2S/0.5S/10P Accuracy Class, 12/42/75kV Insulation, LAJ-10 Replacement for Metering & Relay Protection | – |
| Core Technology | Indoor Single-Phase Epoxy Resin Casting Type + LAJ-10 Replacement Solution + Exceptional 90×In Thermal Capacity for 5-200A Range + Superior 200×In Dynamic Current for 5-200A Range + GB1208 and IEC60044-1 Standards Compliant + Rated Insulation Level 12/42/75kV + Rated Frequency 50Hz or 60Hz + Rated Secondary Current 5A or 1A + Ambient Temperature -5°C to +40°C + Rated Primary Current Range 5-1000A + Wide Current Coverage + Accuracy Classes Combination (0.2(S)/10P10, 0.5(S)/10P10, 0.2(S)/10P15, 0.5(S)/10P15) + Accuracy Burden 10-20VA + 1s Thermal Current 24.5-63kA for Higher Ranges + Rated Dynamic Current 44-100kA + Superior Short-Circuit Withstand Capability + Optimized for Metering and Protection + Enhanced Performance + Maximum Safety Margin | – |
| Power (Voltage) | 10kV | – |
| Rated Voltage | 10kV | – |
| Rated Insulation Level | 12/42/75 | kV |
| Rated Frequency | 50Hz or 60Hz | Hz |
| Rated Secondary Current | 5A or 1A | A |
| Rated Primary Current Range | 5-1000 | A |
| Ambient Temperature | -5°C to +40°C | °C |
| Structure Type | Indoor Single-Phase Epoxy Resin Casting Type | – |
| Installation Type | Indoor | – |
| Phase | Single Phase | – |
| Standards Compliance | GB1208 and IEC60044-1 | – |
| Replacement Model | LAJ-10 Replacement | – |
| FOB Port | Ningbo/Shanghai | – |
| Terms of Payment | Western Union, T/T, Paypal | – |
| Epoxy Resin Casting | Yes (Indoor Single-Phase Epoxy Resin Casting Type) | – |
| LAJ-10 Replacement | Yes (Parameters Used as LAJ-10 Replacement) | – |
| High Thermal Capacity | Yes (90×In Thermal Current for 5-200A Range) | – |
| High Dynamic Current | Yes (200×In Dynamic Current for 5-200A Range) | – |
| Superior Short-Circuit Withstand | Yes (90×In Thermal and 200×In Dynamic for 5-200A) | – |
| 50Hz or 60Hz | Yes (Rated Frequency 50Hz or 60Hz) | – |
| 10kV Rated Voltage | Yes (Rated Voltage 10kV) | – |
| GB1208 Compliant | Yes (In Accordance with GB1208 Standard) | – |
| IEC60044-1 Compliant | Yes (In Accordance with IEC60044-1 Standard) | – |
| 12/42/75kV Insulation | Yes (Rated Insulation Level 12/42/75kV) | – |
| 5A or 1A Secondary | Yes (Rated Secondary Current 5A or 1A) | – |
| -5°C to +40°C Ambient | Yes (Ambient Temperature -5°C to +40°C) | – |
| 5-1000A Primary Range | Yes (Rated Primary Current Range 5-1000A) | – |
| Wide Current Coverage | Yes (From 5A to 1000A Primary Current) | – |
| 0.2S Accuracy Class | Yes (0.2S Metering Accuracy Class Available) | – |
| 0.2 Accuracy Class | Yes (0.2 Metering Accuracy Class Available) | – |
| 0.5S Accuracy Class | Yes (0.5S Metering Accuracy Class Available) | – |
| 0.5 Accuracy Class | Yes (0.5 Metering Accuracy Class Available) | – |
| 10P10 Protection Class | Yes (10P10 Protection Accuracy Class Available) | – |
| 10P15 Protection Class | Yes (10P15 Protection Accuracy Class Available) | – |
| 90×In Thermal Current | Yes (90 Times Rated Current Thermal Capacity for 5-200A) | – |
| 200×In Dynamic Current | Yes (200 Times Rated Current Dynamic Current for 5-200A) | – |
| Rated primary current (A) | Accuracy classes combination | 0.2S / 0.5S (VA) | 0.2 (VA) | 0.5 (VA) | 10P10 (VA) | 10P15 (VA) | 1s thermal current (kA) | Rated dynamic current (kA) |
| 5–200 | 0.2(S) / 10P10 | – | 10 | – | – | – | 90 × In | 200 × In |
| 300, 400 | 0.5(S) / 10P10 | 10 | – | 10 | – | – | 24.5 | 44 |
| 500 | 0.2(S) / 10P15 | 10 | – | 20* | 15 | 15 | 32 | 80 |
| 600 | 0.5(S) / 10P15 | – | – | 15* | 15 | 15 | 32 | 80 |
| 800–1000 | 0.5(S) / 10P15 | – | – | – | – | – | 63 | 100 |
|
Parameters are used as a replacement for LAJ-10. |
||||||||
| Rated Primary Current (A) | 90×In Thermal Current (kA) | 200×In Dynamic Current (kA) |
|---|---|---|
| 5 | 0.45 | 1.0 |
| 10 | 0.9 | 2.0 |
| 15 | 1.35 | 3.0 |
| 20 | 1.8 | 4.0 |
| 25 | 2.25 | 5.0 |
| 30 | 2.7 | 6.0 |
| 40 | 3.6 | 8.0 |
| 50 | 4.5 | 10.0 |
| 60 | 5.4 | 12.0 |
| 75 | 6.75 | 15.0 |
| 80 | 7.2 | 16.0 |
| 100 | 9.0 | 20.0 |
| 150 | 13.5 | 30.0 |
| 200 | 18.0 | 40.0 |
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.

ceshi2ceshi2ceshi2ceshi2ceshi2

ceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshi
Bepto focuses on the global market and provides our clients with products suitable for the local market:
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.