Shihlin SP11 (SP11) コンタクタ

A Reliable Switch for Industrial Control Basic Information
Brand and Model
It is an ACコンタクタ of the SP11 series produced by Shihlin Electric (台湾). It is often written as “SP11” in the market, and both notations are interchangeable.

製品のポジショニング
It is a smallsized industrialgrade AC contactor, suitable for motor control and onoff control of circuits in general power systems.

起源
Original production in Taiwan; some versions sold in mainland China are domestically assembled. Core Specifications and Parameters

Product Features and Advantages
1. Multiple Safety Certifications
It has passed international standard certifications such as GB 14048.4, IEC 6094741, UL 508, CSA, テュフ, とCE, ensuring safe use worldwide.

2. Flexible Voltage Adaptation
   It supports multiple control coil voltages (24V380V), adapting to the needs of power systems in different regions and facilitating global procurement and use.
3. Reliable Arc Suppression Design
   It adopts an automatic arc suppression structure to form a closed arcextinguishing chamber. It has a good arc suppression effect and zero arc flash distance, enhancing operational safety.
4. モジュラー設計
   Auxiliary contact sets (SP11~P60T series) can be added to increase control flexibility and signal feedback functions, meeting complex control requirements.
5. コンパクトな構造
   With dimensions of approximately 68mm×30mm×76mm, it saves installation space and is suitable for control cabinets with limited space.

アプリケーションシナリオ
1. モーター制御
始める, 停止, and forwardreverse control of small and mediumsized threephase asynchronous motors (≤5.5kW).
Used in conjunction with thermal overload relays (such as the THP series) to provide overload protection and form a complete motor starter.

2. 産業用オートメーション機器
   Power control for various production machinery and processing equipment.
   Onoff control of circuits for machine tools, injection molding machines, およびその他の機器.
3. パワーシステム
   Circuit switching in power transmission and distribution control systems.
   Centralized control of lighting, 空調, およびその他の機器.
4. その他の用途
   エレベーター制御システム.
   Control of pump equipment.
   Control of fans and other occasions requiring frequent startstop operations.

Model Description and Selection Key Points
標準モデル
SP11: 標準タイプ, nonreversible contactor with 1NO auxiliary contact.
S2xP11: Reversible type (double contactor combination), used for forwardreverse control of motors.
SP11T: Integrated model with thermal overload protection function.

Key Parameters for Selection
1. 定格電流: Select based on the load current, ensuring it is ≥ the actual operating current.
2. コイル電圧: Must match the control circuit voltage (AC/DC and voltage value).
3. 接点の種類: Select 1NO, 1ノースカロライナ州, or combined type according to control requirements.
4. 動作環境: 湿気の多い場所での使用は避けてください, corrosive, or hightemperature environments. 設置とメンテナンスに関する推奨事項
1. 設置方法
Guide rail mounting (HT35 standard) またはネジ固定 (M4 screw hole). The inclination of the mounting surface relative to the vertical plane should not exceed 5°.

2. 配線上の注意
   Main contacts are connected to the load circuit, and auxiliary contacts are connected to the control circuit.
   Ensure wiring is secure to avoid heat generation or malfunctions caused by loose connections.
3. 定期メンテナンス
   Clean the contact surface and remove oxide layers.
   Check if the coil connections are loose.
   Ensure the arcextinguishing chamber is undamaged to maintain good arc suppression performance.

まとめ
The Shihlin SP11 (SP11) contactor is an industrial control component with reliable performance and complete specifications. With its multiple safety certifications, flexible voltage adaptation, モジュール設計, it has become an ideal choice in the fields of motor control and industrial automation. 選択時, please choose the appropriate specification and function version based on actual load requirements and control circuit characteristics to ensure stable system operation.

注記: There are counterfeit products in the market. It is recommended to purchase through authorized distributors to ensure quality and aftersales service. Original products have a clear Shihlin logo and complete product parameter labels.