B18501/21中文资料西门子数据手册PDF规格书

厂商型号	B18501/21
功能描述	A dc neutral, tractive armature, line relay
文件大小	831.81 Kbytes
页面数量	3 页
生产厂商	SIEMENS
中文名称	西门子
网址	网址
数据手册	下载地址一下载地址二到原厂下载
更新时间	2026-2-3 18:21:00
人工找货	B18501/21价格和库存，欢迎联系客服免费人工找货

Contact Arrangement: Various Refer overleaf

Nominal Rated Voltage: 12V, 24V & 50V dc

Typical Operate Time 150 ms

Typical Release Time 20 ms

Approximate Weight: 1.14kg

Note: Refer to the following data sheets:

•• 7-1-1 for general information and contact

ratings.

•• 7-2-1 for dimensions.

•• 8.2 for tools.

•• 8.3 for plugboard and connector details.

Refer overleaf for specific data.

General data

Designed primarily for use in railway signalling circuits, but can be used in other applications requiring a reliable

safety relay. Typical applications include repeater, control and indication functions. The style QN1 forms the basis

of the ‘Q’ range of relays.

The variations of this relay style are listed overleaf. Where a relay corresponds exactly to a type listed in a BR Spec.,

the Spec. No. is shown in the remarks column.

描述 Description