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SENTOP Product Portfolio

Find products by connection, switching, measurement or protection function

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Core Range 01 · Terminal Blocks

Terminal Blocks & Wiring

Choose by connection method, conductor size, mounting format and wiring function.

All Terminal Blocks Spring Screw DIN Rail Plug-in / PCB

Core Range 02 · Transfer Switches

Automatic & Manual Changeover

Match the operating method, poles, current and utility-generator system duty.

Automatic Manual Generator Systems Selection Guide

Core Range 03 · Digital Panel Meters

Electrical Measurement & Display

Choose measured values, input signal, panel size, display and communication.

Meter Range Selection Guide Panel Monitoring

Connection Products

Terminals & Accessories

Fixed Terminals Barrier Terminals Accessories Cold Pressed Terminals

Supporting Range

Circuit Protection

MCB MCCB ACB RCCB RCD SPD DC Isolator

Supporting Range

Control & Distribution

Power Supply AC Contactor Distribution Box

Industries

Featured Application Panel Building & Electrical Distribution Plan terminal systems, protection, switching, metering and supporting products for organized electrical assemblies. Explore Panel Building Applications →

Choose Your Application Environment

Find electrical products for your equipment, panel or power project.

01 Panel AssemblyPanel Builders & SwitchgearWiring, protection and control 02 Industrial EquipmentAutomation & Machine ControlCabinet wiring and monitoring 03 Backup PowerGenerator & Standby SystemsAutomatic and manual changeover 04 Power DistributionBuildings & InfrastructureProtection and distribution products 05 Renewable EnergySolar & Energy SystemsDC isolation and surge protection 06 OEM SupplyEquipment ManufacturersRepeat models, labels and packaging

Focused Project Paths

Control Cabinet Wiring Generator Transfer Switch Electrical Panel Monitoring

Resources

SENTOP Buyer ResourcesSelection, installation and purchasing information

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Selection

Product Selection Guides

Installation

Wiring & Installation

Learning

Compare & Understand

Reference

Documents & Technical Library

Tools

Free Electrical Engineering ToolsCalculate, compare and prepare a clearer electrical requirement

Open All Electrical Tools →

SENTOP Electrical Toolkit

Electrical Calculator Center

Calculate load, cable, protection, metering and panel data before preparing your technical enquiry.

Open Calculator Center →

01 / Load & Power

Electrical Load Calculators

Convert the basic operating data needed for preliminary product and system discussions.

Power / Current / Voltage Single-Phase / Three-Phase kW / kVA / HP Converter Power Factor & Reactive Power

02 / Cable & Protection

Wiring and Protection Tools

Estimate practical starting values before final conductor and protection coordination.

Voltage Drop Calculator Cable Size Starting Point Circuit Breaker Sizing Short-Circuit Current Estimate

03 / Product & Panel

Selection Preparation Tools

Organize the project data needed for metering, changeover and terminal-system enquiries.

CT Ratio Calculator Transfer Switch Sizing Terminal Strip & DIN Rail Planner Surge Protection Starting Point

Need an engineer to review the result?Send the calculator inputs together with the one-line diagram, model reference or panel requirement.

About

Inside SENTOP

Review the company behind your electrical product supply.

Learn how SENTOP supports product matching, samples, project BOMs, organized packaging and international delivery preparation.

Product MatchingSample ReviewProject BOMGlobal Delivery

Company, Capability & Proof

Understand SENTOP before starting your electrical project.

Review our business scope, supply process, project experience and support approach for terminal blocks, transfer switches, digital panel meters and selected low-voltage electrical products.

Company ProfileAbout SENTOP Supply ProcessFactory & Delivery Project SupportOEM/ODM & Service Application ExperienceCustomer Cases

Have a model, BOM or application to review?Send the available project data and our team will help organize the next selection step.

Products

Terminal Blocks

All Terminal Blocks Spring Terminal Blocks Screw Terminal Blocks DIN Rail Terminal Blocks Plug-in / PCB Terminal Blocks

Transfer Switches

Automatic Transfer Switch Manual Transfer Switch Generator Changeover Transfer Switch Selection

Digital Panel Meters

Digital Panel Meter Range Panel Meter Selection Electrical Panel Monitoring

Wiring Products & Support

Fixed Terminal Blocks Barrier Terminal Blocks Terminal Block Accessories Cold Pressed Terminals OEM/ODM Support

Supporting Product Lines

Miniature Circuit Breaker Molded Case Circuit Breaker Air Circuit Breaker Residual Current Circuit Breaker Residual Current Device Surge Protective Device DC Isolator Switch Switching Power Supply AC Contactor Distribution Box

Industries

Panel & Equipment Applications

Panel Builders & Switchgear Automation & Machine Control Equipment Manufacturers

Power System Applications

Generator & Standby Systems Buildings & Infrastructure Solar & Energy Systems

Application Support

View Customer Cases

Resources

Selection Guides

Terminal Block Selection Guide Transfer Switch Selection Guide Panel Meter Selection Guide Protection Selection Guide

Wiring & Installation

Terminal Block Accessories Guide Transfer Switch Wiring Guide Panel Meter Wiring Guide Control Panel Wiring Guide

Compare & Understand

MCB vs MCCB Surge Protection Guide Cold Press Terminal Guide Electrical Calculators

Documents & Technical Library

Request Product Documents Technical Articles Standards & Certificates Electrical Glossary Frequently Asked Questions All Resources

Electrical Tools

Load & Power

Power / Current / Voltage Single-Phase / Three-Phase kW / kVA / HP Converter Power Factor

Cable & Protection

Voltage Drop Calculator Cable Size Starting Point Circuit Breaker Sizing Short-Circuit Current Estimate

Product & Panel

CT Ratio Calculator Transfer Switch Sizing Terminal Strip & DIN Rail Planner Surge Protection Starting Point View All Electrical Tools

Company

Company & Capability

About SENTOP Factory & Delivery OEM/ODM & Service Support Customer Cases

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