Signal Isolator

WTH-SC/mA Series 4-20mA Signal Isolator	WTH-SC/Dry Series Dry Signal Isolator	WTH-SC/RTD Series RTD Signal Isolator

Open End Heavy Duty Network-Grade PDU

WTH-CS/PDU-C13 Series		WTH-CS/PDU-C13 Locking
WTH-CS/PDU-US Series		for Electrical Engineering Design

Surge Counter

WTH-CS/485	WTH-CS/485/AC-R	WTH-CS/RS485-KE	WTH-CS/F-D
2P Surge Counter Base	3P Surge Counter Base	4P Surge Counter Base

Portable Surge Protective Device Tester

WTH-CS/BT-1000V

Class I (Voltage switching) Surge Protective Device

WTH-500/G+/R/1P-320	WTH-300/G+/R/1P-275

Class I (Voltage limiting) Surge Protective Device

WTH-165/B/R/1P MCOV: 150V 275V, 320V, 385V, 420V	WTH-120/B/R/1P MCOV: 150V 275V, 320V, 385V, 420V	WTH-165/G/1P-255

Class I+II Surge Protective Device

WTH-250/GM/R/1P MCOV: 275V, 320V, 385V	WTH-100/B+C/R/1P MCOV: 150V 275V, 320V, 385V, 420V 550V, 690V, 885V	WTH-80/B+C/R/1P MCOV: 150V 275V, 320V, 385V, 420V 550V, 690V, 885V	WTH-100/G/1P-255

WTH-65/B+C/R/1P MCOV: 150V 275V, 320V, 385V, 420V 550V, 690V, 885V	WTH-50/B+C/R/1P MCOV: 150V 275V, 320V, 385V, 420V 550V, 690V, 885V	WTH-65/G+/1P-255

Class II Surge Protective Device

WTH-40/C/R/1P MCOV: 150V 275V, 320V, 385V, 420V 550V, 690V, 885V	WTH-40/C/R/1P+NPE MCOV: 150V 275V, 320V, 385V, 420V	WTH-40/C/R/2P MCOV: 150V 275V, 320V, 385V, 420V 550V, 690V, 885V	WTH-40/C/R/3P MCOV: 150V 275V, 320V, 385V, 420V 550V, 690V, 885V

WTH-40/C/R/3P+NPE MCOV: 150V 275V, 320V, 385V, 420V	WTH-40/C/R/4P MCOV: 150V 275V, 320V, 385V, 420V 550V, 690V, 885V	WTH-65/G/1P-255

Class III Surge Protective Device

WTH-20/D/R/1P MCOV: 150V 275V, 320V, 385V, 420V	WTH-20/D/R/1P+NPE MCOV: 150V 275V, 320V, 385V, 420V	WTH-20/D/R/2P MCOV: 150V 275V, 320V, 385V, 420V	WTH-20/D/R/3P MCOV: 150V 275V, 320V, 385V, 420V

WTH-20/D/R/3P+NPE MCOV: 150V 275V, 320V, 385V, 420V	WTH-20/D/R/4P MCOV: 150V 275V, 320V, 385V, 420V	WTH-65/G/1P-255

Series Connection Surge Protective Device

WTH-10/DC WTH-10/AC

Fine Surge Protection at Equip Area (for equipment or LED light )

WTH-SG/TL20PG-320L

Surge Protective Device for Photovoltaic System

WTH-40/C/1P-PV	WTH-40/C/2P-PV	WTH-40/C/3P-PV

Surge Protective Device for Ethernet & PoE System

WTH-SG/RJ45	WTH-SG/RJ45-KE	WTH-SG/RJ45-KG	WTH-SG/RJ45-S

WTH-SG/RJ45-KH-C/12（12 Port）		（8 Port）	（4 Port）

4~20mA, RS485, Data, Signal System

WTH-SG/TER	WTH-SG/TER-S	WTH-SG/TER-XS	WTH-SG/PIPE-36

Surge Protective Box

Black	White

Antenna Feeder Surge Protector

N(5/8") 50Ω 0-6G	BNC 50Ω 0-2.5G	F(3/8") 50Ω 0-2G