参数资料
| 型号： | BDH121 |
| 厂商： | Cooper Bussmann |
| 文件页数： | 86/88页 |
| 文件大小： | 0K |
| 描述： | HANDLE PISTOL RED/YEL FOR SWITCH |
| 标准包装： | 1 |
| 类型： | 手柄 |
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NEMA Environmental Ratings
for Enclosed Disconnect Switches
Introduction
An enclosure is a surrounding case constructed to provide a degree of
protection to personnel against accidental contact with the enclosed equipment
and to provide a degree of protection to the enclosed equipment against
speci?ed environmental conditions.
A brief description of the more common types of enclosures used by the
electrical industry relating to their environmental capabilities follows. Refer to
De?nitions pertaining to nonhazardous locations
NEMA Standards Publication for more information regarding applications,
features and design tests.
Individual NEMA product Standards Publications or third party certi?cation
standards may contain additional requirements for product testing and
performance.
Type 1
Enclosures are intended for indoor use primarily
to provide a degree of protection against limited
amounts of falling dirt. (NEMA Standard 7-15-1991.)
Type 3R
Enclosures are intended for outdoor use primarily
to provide a degree of protection against rain, sleet
and damage from external ice formation. (NEMA
Standard 7-15-1991.)
Type 4
Enclosures are intended for indoor or outdoor
use primarily to provide a degree of protection
against windblown dust and rain, splashing water,
hose-directed water and damage from external ice
Type 4X
Enclosures are intended for indoor or outdoor use
primarily to provide a degree of protection against
corrosion, windblown dust and rain, splashing water,
hose-directed water and damage from external ice
formation. (NEMA Standard 1-10-1979)
Type 12
Enclosures are intended for indoor use primarily to
provide a degree of protection against circulating
dust, falling dirt, and dripping noncorrosive liquids.
(NEMA Standard 7-15-1991.)
Type 13
Enclosures are intended for indoor use primarily
to provide a degree of protection against dust,
spraying of water, oil and noncorrosive coolant.
(NEMA Standard 1-10-1979.)
formation. (NEMA Standard 1-10-1979.)
85
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相关代理商/技术参数 |
参数描述 |
|---|---|
| BDH127 | 制造商:Cooper Bussmann 功能描述: |
| BDH21 | 功能描述:控制开关 HANDL CONV KIT TRANS RoHS:否 制造商:Omron Industrial 控制类型:Emergency Stop 触点额定值:5 A at 125 VAC 触点形式:1 Form B (SPST-NC) 电压额定值: 电流额定值: 执行器:Pushbutton 照明:N 安装风格: |
| BDH50 | 制造商:Cooper Bussmann 功能描述: |
| BDH56 | 功能描述:控制开关 NEMA1,3R,12,PISTOL, IP65 RoHS:否 制造商:Omron Industrial 控制类型:Emergency Stop 触点额定值:5 A at 125 VAC 触点形式:1 Form B (SPST-NC) 电压额定值: 电流额定值: 执行器:Pushbutton 照明:N 安装风格: |
| BDH57 | 功能描述:控制开关 NEMA1,3R,12,PISTOL, IP65 RoHS:否 制造商:Omron Industrial 控制类型:Emergency Stop 触点额定值:5 A at 125 VAC 触点形式:1 Form B (SPST-NC) 电压额定值: 电流额定值: 执行器:Pushbutton 照明:N 安装风格: |
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