
High Precision Residual Current Transformer for S | RFQ Sourcing Details
Distribution Transformers · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Distribution Transformers. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
The residual current transformer is mainly used to detect all devices in the distribution circuit that pass through the core hole of the residual current transformer, the vector sum of the node currents, and transform them into the required signals according to the transformer ratio.
Residual current transformer is the key component of electric fire leakage detection and monitoring system and electromagnetic relay protection equipment, and its performance directly affects the reliability and stability of leakage protection and monitoring system.
When installing the residual current transformer, try to stay away from the phase lines of other circuits to avoid the influence of large current and strong magnetism.
In TN-S, TN-C-S, TN-C and TT systems, the phase line and neutral line of the loop must pass through the through hole of the residual current transformer at the same time. The PE line must not pass through the through hole of the residual current transformer, and any center line of each circuit must not be mixed.
In TN-C system, PE line and neutral line are the same, so residual current protection device cannot be used and residual current transformer is not recommended. TN-C system can be changed to TN-C-S system, and then residual current transformer can be installed. Specific reference can be made to the following drawings.
The meaning of the model Description This series of residual current transformers has a round structure and good-looking, which is mainly used in indoor cable circuit environment such as electrical fire monitoring.
Encapsulated with epoxy resin, it has excellent anti-seismic and moisture-proof performance, high precision and convenient installation.
Technical data Rated Primary current 1A 1A 5A Rated secondary current 1mA 0.5mA 2.5mA Continuous thermal current: 2A 2A 10A Accuracy class Class 0.5 / Class 0.2 Working frequency 50-60HZ Dielectric strength AC 3KV 1 minute Insulation DC 500V/1000MΩ Environment temperature -15ºC-+45ºC Outline dimensions and drawing (mm) Outline dimension(mm) Part number Inner hole(Φ) A B C D E LSY LSY LSY LSY : Model NO: LSY2 Phase Three Operation Condition Indoor Usage Protection, Measurement, Electricity Meter Winding Form Multi;Layer: Honeycomb Type Insulating Medium Epoxy Resin Installation Busbar Type Magnetic Circuit Structure Combined Type Voltage Transformation Principle Capacitive Type Accuracy Class 0.05, 0.1, 0.2 Application Range Energy;Transport Carton/
High | Applications and Buyer Notes
High is organized as a sourcing-ready Distribution Transformers reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time qu
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Distribution TransformersBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Type
- Accuracy Class 0.05, 0.1, 0.2Based on visible page data; confirm exact value in the RFQ.
- Usage
- Protection, Measurement, Electricity Meter Winding Form Multi;Layer: HoneycombBased on visible page data; confirm exact value in the RFQ.
- Origin
- ChinaBased on visible page data; confirm exact value in the RFQ.
- HS Code
- 850431Based on visible page data; confirm exact value in the RFQ.
- Trademark
- TOPROBased on visible page data; confirm exact value in the RFQ.
- Application
- Range EnergyBased on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
Product sourcing keywords
These terms come from the title, visible copy and specifications, and link into matching aggregate pages.
Continue from this detail page into sourcing structure
These links connect the detail page back to category hubs, procurement aggregates and knowledge pages so new inventory is not isolated.
This URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 100kva 10kv Dry Type Transformer For Solar Power Systems 100kva And Solar Power SystemsThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 10kv Epoxy Resin Indoor Electric Single Phase Potential Transformer PtThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 10kv Power Supply Ring Main Unit Cable Accessories Ceramic Metal Silicone Rubber Epoxy Resin BushingThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 10p10 500 5a Split Core Ct Current TransformerThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 11kv 12kv 20kv 24kv Electrical Power Transmission Medium Voltage Air Insulated SwitchgearThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 11kv 12kv Medium Voltage Distribution Air Insulated SwitchgearThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 11kv 12kv Medium Voltage Sis Solid Insulation Compact Modular SwitchgearThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 150kva 20kv Dry Type Transformer With Low Loss Ce Low Loss And CeThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path 23kv Oil Filled Ansi Standard Power Transformer Bay O Net B O N Inline Link Auto Electrical ThermaThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path Cables Busbar And Accessories categoryThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path Meters And Protection Devices categoryThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path Switchgear And Breakers categoryThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
Internal sourcing path Transformers And Substation Equipment categoryThis URL was refreshed but still has no Googlebot evidence, so it is promoted into shared internal links for crawl discovery.
PowerGridSource related sourcing paths
PowerGridSource procurement phrases
PowerGridSource related product samples
Split core current transformer LMZK1-10 series LMZK series split-core current transformers are suitable for the current ...
Distribution Transformers 150kVA 20kv Dry Type Transformer with Low Loss CE - Low Loss and CEWhat we can do ? 150kVA 20kV Dry Type Transformer with Low Loss CE We are a professional manufacturer focusing on oil im...
Distribution Transformers Schneider Three Phase Power Frequency Amorphous Core Energy Saving Compact Substation - Three PhaseWhat we can do ? We are a professional manufacturer focusing on oil immersed power & distribution transformers with volt...
Distribution Transformers 630kVA 35kv Dry Type Transformer with UL - 630kVA and 35kv Dry Type TransformerWhat we can do ? 150kVA 0.4kV Dry Type Transformer with High Efficiency ISO We are a professional manufacturer focusing ...
Distribution Transformers 100kVA 10kv Dry Type Transformer for Solar Power Systems - 100kVA and Solar Power SystemsWhat we can do ? 100kVA 10kV Dry Type Transformer for Solar Power Systems We are a professional manufacturer focusing on...
Meters and Protection Devices Advanced Electricity Smart Meter with 1: 1000 Ratio Transformer - Electricity Transformer and SmartThe residual current transformer is mainly used to detect all devices in the distribution circuit that pass through the ...



