描述
一、型号编码解析
型号示例:1SFB536068D1011
部分含义
1SFB5产品系列标识:
-1SFB5:Tmax XT系列低压电机保护断路器,额定电流范围0.16-630A,专为三相交流电动机设计(AC-23A使用类别)。
-Tmax XT:ABB高端低压断路器系列,强调模块化、高精度保护及智能化功能。
36068额定电流与分断能力:
-360:额定电流360A(可调范围240-360A,通过电子脱扣器设置)。
-68:极限短路分断能力68kA(400V系统下测试值,符合IEC 60947-2标准)。
D1011脱扣器类型与附件配置:
-D:配备电子式脱扣器(ETU),支持多参数保护功能。
-1011:
-10:脱扣器型号为ETU1000(高级型电子脱扣器,支持更精确的保护和通信功能)。
-11:表示附件配置(如4NO+2NC辅助触点+报警触点模块,具体需结合订单确认)。
二、核心技术参数
1.电气参数
参数1SFB536068D1011标准依据
额定电压AC 400V(三相)/AC 690V(最大)IEC 60947-2
额定电流360A(可调范围240-360A)
极限短路分断能力68kA(400V系统)IEC 60947-2,Class B
运行短路分断能力50kA(400V系统)
使用类别AC-23A(电动机直接启动保护)IEC 60947-4-1
机械寿命≥20,000次操作(无维护)IEC 60947-2
电气寿命≥10,000次操作(额定电流下)
I.Model Code Analysis
Model Example:1SFB536068D1011
Part Meaning
1SFB5 Product Series Identifier:
-1SFB5:Tmax XT series low-voltage motor protection circuit breakers,rated current range 0.16-630A,designed specifically for three-phase AC motors(AC-23A category).
-Tmax XT:ABB’s high-end low-voltage circuit breaker series,emphasizing modularity,high-precision protection,and intelligent features.
36068 Rated Current and Breaking Capacity:
-360:Rated current 360A(adjustable range 240-360A,set via electronic trip unit).
-68:Ultimate short-circuit breaking capacity 68kA(test value at 400V system,in accordance with IEC 60947-2).D1011 trip unit type and accessory configuration:
-D:Equipped with an electronic trip unit(ETU)supporting multi-parameter protection functions.
-1011:
-10:Trip unit model is ETU1000(advanced electronic trip unit,supporting more precise protection and communication functions).
-11:Indicates accessory configuration(such as 4NO+2NC auxiliary contacts+alarm contact module;specific configurations must be confirmed with the order).
II.Core Technical Specifications
1.Electrical Specifications
Parameters 1SFB536068D1011 Standard Compliance
Rated voltage:AC 400V(three-phase)/AC 690V(maximum)IEC 60947-2
Rated current:360A(adjustable range:240-360A)
Ultimate short-circuit breaking capacity:68kA(400V system)IEC 60947-2,Class B
Operating short-circuit breaking capacity:50kA(400V system)
Utilization category:AC-23A(motor direct-on-line starting protection)IEC 60947-4-1
Mechanical life:≥20,000 operations(maintenance-free)IEC 60947-2
Electrical life:≥10,000 operations(at rated current)
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