一、标题（带型号 + 品牌 + 关键参数）
中文标题：
- ABB TGN3321R 30A 240V 3P 安全开关
- ABB TGN3321R 非熔断式安全开关 30A 240V
- ABB TGN3321R 3极安全开关 30A 240V
- ABB TGN3321R 带盖联锁安全开关 30A 240V
- ABB TGN3321R NEMA 3R防护等级安全开关
- ABB TGN3321R 工业级安全开关 30A 240V
- ABB TGN3321R 可锁盖安全开关 30A 240V
英文标题：
- ABB TGN3321R 30A 240V 3P Safety Switch
- ABB TGN3321R Non-Fusible Safety Switch 30A 240V
- ABB TGN3321R 3-Pole Safety Switch 30A 240V
- ABB TGN3321R Safety Switch with Cover Interlock 30A 240V
- ABB TGN3321R NEMA 3R Rated Safety Switch
- ABB TGN3321R Industrial Safety Switch 30A 240V
- ABB TGN3321R Lockable Cover Safety Switch 30A 240V
二、品牌与模块参数详情介绍
中文介绍：
品牌：ABB
模块类型：安全开关
型号：TGN3321R
参数详情：
- 额定电流：30A
- 额定电压：240V AC
- 极数：3极
- 防护等级：NEMA类型1（室内）和类型3R（室外）
-
结构特点：
- 非熔断式设计
- 带有盖联锁功能，增加安全性
- 可锁盖和手柄（在关闭位置），防止未经授权的进入和使用
- 应用场景：适用于住宅和轻型商业应用，如空调系统、加热设备、泵类等需要安全断电的场合
英文介绍：
Brand: ABB
Module Type: Safety Switch
Model: TGN3321R
Parameter Details:
- Rated Current: 30A
- Rated Voltage: 240V AC
- Number of Poles: 3-pole
- Enclosure Rating: NEMA Type 1 (indoor) and Type 3R (outdoor)
-
Structural Features:
- Non-fusible construction
- Integral cover interlock for added protection
- Lockable cover and handle (in the OFF position) to prevent unauthorized entry and use
- Application Scenarios: Suitable for residential and light commercial applications, such as air conditioning systems, heating equipment, pumps, and other occasions requiring safe poweroff
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