正泰频率继电器 JDM9-5

评测依据

• review_count：3200
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:56:04","to":"2026-06-26 01:56:04"}
• intros：{"brand_intro":"正泰集团是中国低压电器行业龙头企业，始创于1984年，业务覆盖智能电气、新能源、自动化等领域。拥有国家级企业技术中心，产品通过CCC、CE、UL等认证，以高性价比和稳定质量著称，广泛应用于工业控制、电力系统和民用建筑。","product_intro":"JDM9-5频率继电器适用于交流50Hz/60Hz电网，作为频率保护和控制元件。采用数字电路设计，测量精度高，动作误差小于0.1Hz。支持过频、欠频独立设定，具有延时保护功能，防止误动作。导轨式安装，体积小巧，适合配电柜集中安装。","key_specs":["额定电压：AC 220V/380V","频率范围：45~65Hz","动作误差：≤0.1Hz","触点容量：AC 250V/5A","安装方式：35mm导轨安装","工作温度：-25℃~+55℃"]}
• alt_products：[{"product_name":"正泰频率继电器 JDM9-5","brand":"正泰","model":"JDM9-5","price":68},{"product_name":"德力西频率继电器 JDM9-6","brand":"德力西","model":"JDM9-6","price":75}]
• kol_quotes：["@工控老张：正泰这款JDM9-5在50Hz电网中实测误差不到0.05Hz，性价比无敌。","@电气工程师小王：导轨安装省空间，接线端子清晰，新手也能快速上手。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":87.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈该继电器频率测量准确，动作可靠，在电机保护和水泵控制场景中表现稳定。安装方便，导轨卡扣设计牢固。部分用户指出说明书参数标注不够详细，但整体性价比高，适合中小型工控项目。京东好评率98%，复购率较高。","source_count":0}},{"source":"objective","score":72.77893939393938,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.7,"price":68,"wom_score":87.1}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":3200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@工控老张：正泰这款JDM9-5在50Hz电网中实测误差不到0.05Hz，性价比无敌。","@电气工程师小王：导轨安装省空间，接线端子清晰，新手也能快速上手。"]}}]
• method_version：v2
• search_visual：null