IEC 60947-4-1:2023 低压开关设备和控制设备.第4-1部分:接触器和电动机起动器.机电接触器和电动机启动器
标准编号：IEC 60947-4-1:2023
中文名称：低压开关设备和控制设备.第4-1部分:接触器和电动机起动器.机电接触器和电动机启动器
英文名称：Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
发布日期：2023-11-08
标准范围
IEC 60947-4-1:20 23适用于以下设备:-机电接触器和起动器，包括电机保护开关装置（MPSD和IMPSD）；-接触器继电器的致动器；-专用于接触器或接触器继电器的线圈电路的触点；-专用附件(例如，专用布线、专用闩锁附件)；用于连接额定电压不超过1 000 V AC或1 500 V DC的配电电路、电机电路和其他负载电路。这第五版取消并取代了2018年出版的第四版。本版构成技术修订版。与上一版相比，此版本包括以下重大技术变更:a)范围内的目标；b)仅瞬时电动机保护开关装置IMPSD(3.5.33);c)设备种类(5.2.1)；d)电动机过载保护方法(5.2.6)；e)采用IEC 61095:2023中的AC-7d（在5.4.2中）；f)单独安装的起动机过载继电器(见5.7.3b))；g)适用于基本驱动模块(6.1.2W)下游的起动机和接触器)；h)环境方面参考IEC TS 63058（在6.4中）；i)受移动影响的接线（在8.1.3中）；j)使用电压瞬态限制装置(8.1.18)；k)受温度限制的可触及部件（见8.2.2.3）；l)参考IEC 60947-1:20 20附录X，用于MPSD与SCPD的协调（8.2.5.4）；m)在不同EMC环境下参考IEC TR 63216(8.3.1)；n)嵌入式软件设计参考IEC TR 63201(8.4)；o)网络安全方面参考IEC TS 63208(8.5);p)电磁铁功耗测量方法的更新和完成（9.3.3.2.1.2）；q)更新附录C，包括关于AC-3e的合理性；r)光伏应用临界负载电流的确定(M.8.7)。
IEC 60947-4-1:2023 is applicable to the following equipment:
- electromechanical contactors and starters including motor protective switching devices (MPSD and IMPSD);
- actuators of contactor relays;
- contacts dedicated exclusively to the coil circuit of the contactor or the contactor relay;
- dedicated accessories (e.g. dedicated wiring, dedicated latch accessory);
intended to be connected to distribution circuits, motors circuits and other load circuits, the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC.
This fifth edition cancels and replaces the fourth edition published in 2018. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) objective in the scope;
b) instantaneous only motor protective switching device IMPSD (3.5.33);
c) kinds of equipment (5.2.1);
d) methods of overload protection of motors (5.2.6);
e) adoption of the AC-7d from IEC 61095:2023 (in 5.4.2);
f) separately mounted overload relay of a starter (in 5.7.3 b));
g) starter and contactor suitable for use downstream to basic drive module (6.1.2 w));
h) reference to IEC TS 63058 for environmental aspects (in 6.4);
i) wiring subject to movement (in 8.1.3);
j) use of voltage transient limiting device (8.1.18);
k) accessible parts subject to temperature limits (in 8.2.2.3);
l) reference to Annex X of IEC 60947-1:2020 for the co-ordination of MPSD with SCPD (8.2.5.4);
m) reference to IEC TR 63216 with different EMC environments (8.3.1);
n) reference to IEC TR 63201 for the embedded software design (8.4);
o) reference to IEC TS 63208 for cybersecurity aspects (8.5);
p) update and completion of the measurement method of the power consumption of the electromagnet (9.3.3.2.1.2);
q) update of Annex C including rational about AC-3e;
r) determination of the critical load current for photovoltaic applications (M.8.7).
标准预览图
