Phoenix Contact 21V 交流，30V 直流 620A 浪涌保护设备, DIN 导轨安装, 6.2 x 63.5 x 100mm
**Surge Protection Terminals**
Contact TT range of surge protection DIN rail terminal blocks.
Allied Electronics:
21 V ac, 30 V dc 620A TT-ST Surge Protection Device, DIN Rail Mounting
Electro Sonic:
Spring cage modular terminal block with integrated surge protection - for assembly on NS 35/7.5 - voltage U
