Showden Co., Ltd.'s Surge Protectors

■Limit abnormal voltage to a non-hazardous value Overhead lines and communication cables connected to communication equipment are susceptible to ex...

10 models listed

• Surge Countermeasures

• Surge Protectors

■High-end model with Imax40kA of PV SPD compatible with JIS C 5381-31 The ADN series is a PV SPD that uses safety shutoff technologies "SIT" and "S...

4 models listed

• Surge Countermeasures

• Surge Protectors

■Built-in separator saves space and reduces wiring man-hours SPD Separator (Current Fuse) No external SPD separator required. This saves space and ...

10 models listed

• Surge Countermeasures

• Surge Protectors

■Summary The AFD-T4 series is a high-end model class II SPD that has a built-in SPD separator (fuse), is optimized for Japan's power supply system,...

7 models listed

• Surge Countermeasures

• Surge Protectors

■Summary The AFD-T4 series is a high-end model class II SPD that has a built-in SPD separator (fuse), is optimized for Japan's power supply system,...

6 models listed

• Surge Countermeasures

• Surge Protectors

■Built-in SPD separator eliminates the need for external SPD separator The AGN-2 series has a built-in SPD separator with a breaking rating of AC22...

2 models listed

• Surge Countermeasures

• Surge Protectors

■New SPD that uses safety shutoff technologies “SIT” and “SITS®” The AGN-4 series uses the latest safety technologies SIT and SITS®, and can cut of...

10 models listed

• Surge Countermeasures

• Surge Protectors

■Summary ANS-CAT6 is an SPD that supports twisted pair power supply systems up to 120W. Compatible with PoE, PoE Plus, UPOE, PoE++, LTPoE++, HDBase...

• Surge Countermeasures

• Surge Protectors

■SPD for protecting coaxial data transmission equipment This is a new type of SPD for coaxial cables, consisting of a coaxial connector and a high-...

9 models listed

• Surge Countermeasures

• Surge Protectors

■Summary The ASG series is used in combination with an ASG-SPD unit with fault indication and a dedicated power supply unit/alarm unit (and surge c...

4 models listed

• Surge Countermeasures

• Surge Protectors

■Summary The ASG series is used in combination with an ASG-SPD unit with fault indication and a dedicated power supply unit/alarm unit (and surge c...

2 models listed

• Surge Countermeasures

• Surge Protectors

■Summary The ASG series is used in combination with an ASG-SPD unit with fault indication and a dedicated power supply unit/alarm unit (and surge c...

• Surge Countermeasures

• Surge Protectors

■Summary The ASG series is used in combination with an ASG-SPD unit with fault indication and a dedicated power supply unit/alarm unit (and surge c...

• Surge Countermeasures

• Surge Protectors

■Summary The ASG series is used in combination with an ASG-SPD unit with fault indication and a dedicated power supply unit/alarm unit (and surge c...

5 models listed

• Surge Countermeasures

• Surge Protectors

■SPD ideal for ITV/surveillance camera coaxial cables Protects equipment from lightning surges that penetrate the coaxial cables of ITVs, surveilla...

2 models listed

• Surge Countermeasures

• Surge Protectors

■Shoden's railway protectors protect railway signal equipment from abnormal voltages and currents and support safe operation. Signals are essential...

5 models listed

• Surge Countermeasures

• Surge Protectors

■Standard model of In5kA (Imax10kA) This is a standard model of DC SPD (surge arrester) that protects DC systems such as power conditioners (PCS) f...

2 models listed

• Surge Countermeasures

• Surge Protectors

■Small SPD for grounding The ES series is a small SPD for use between grounds that can equalize the potential of different grounds. Mainly connect ...

2 models listed

• Surge Countermeasures

• Surge Protectors

■Shoden's railway protectors protect railway signal equipment from abnormal voltages and currents and support safe operation. Signals are essential...

10 models listed

• Surge Countermeasures

• Surge Protectors

■Imax40kA class II SPD between ground F-MS12 is a class II SPD for ground to ground with a nominal discharge current of 8/20μs 20kA and a maximum d...

2 models listed

• Surge Countermeasures

• Surge Protectors

■Iimp100kA class I SPD between ground FLT 100 N/PE-1.5 is a class I SPD for ground to ground with Iimp 100kA. Impulse discharge current 10/350μs 10...

• Surge Countermeasures

• Surge Protectors

■JIS C 5381-11 Iimp25kA or 50kA Class I/Class II SPD In addition to the single-pole type FLT-SEC-P-T1 series, the multi-pole type FLT-SEC-T1+T2 ser...

6 models listed

• Surge Countermeasures

• Surge Protectors

■JIS C 5381-11 compatible Imax10kA class II SPD standard model The GN-1 series is a standard model of class II SPD with high cost performance that ...

10 models listed

• Surge Countermeasures

• Surge Protectors

■Electrical failure display and electrical alarm contact Fault indicators and alarm contacts are electrical. The LED (green) lights up when the fai...

8 models listed

• Surge Countermeasures

• Surge Protectors

■Notes The specified SPD separator is subject to change without notice.

• Surge Countermeasures

• Surge Protectors

■Can be installed on waveguides and coaxial cables. Ideal for lightning damage protection for broadcast equipment. A lightning protection unit that...

• Surge Countermeasures

• Surge Protectors

■Shoden's railway protectors protect railway signal equipment from abnormal voltages and currents and support safe operation. Signals are essential...

10 models listed

• Surge Countermeasures

• Surge Protectors

■Direct lightning protection system for tall buildings that are often hit by lightning Radio relay stations and information processing facilities a...

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• Surge Protectors

■Rail-mounted LAN SPD ideal for 19-inch rack mounting The LAN SPD "LM-PC5E" is an SPD that protects servers, HUBs, computers, etc. from lightning s...

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• Surge Protectors

■High withstand voltage performance of 600kV impulse withstand voltage This is a down conductor specifically designed for buildings and information...

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• Surge Protectors

■Summary NS-WCAT6 is an SPD suitable for network cameras and LAN lightning protection. Since it is designed for outdoor use (protection class IP66)...

• Surge Countermeasures

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■Type with 6 plugs that can be used for everything from computers to peripheral devices. This type is equipped with a 6-outlet outlet with a lockin...

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• Surge Protectors

■Summary ・Band width 13mm or less ・Fixed with M6 to M8 bolts - When using a mounting band, it can be attached to a pipe (pole) or square bar with...

• Surge Countermeasures

• Surge Protectors

■Shoden's railway protectors protect railway signal equipment from abnormal voltages and currents and support safe operation. Signals are essential...

• Surge Countermeasures

• Surge Protectors

■Ideal for lightning and heat protection. Connection box to prevent burnout of PV power generation system This is a junction box that has a built-i...

• Surge Countermeasures

• Surge Protectors

■SPD for protecting coaxial data transmission equipment This is a new type of SPD for coaxial cables, consisting of a coaxial connector and a high-...

2 models listed

• Surge Countermeasures

• Surge Protectors

■A lineup of various types based on circuit type, protection performance, current withstand capacity, function, and shape. The cable protector cons...

10 models listed

• Surge Countermeasures

• Surge Protectors

■Summary This is a plug-in SPD that protects FA equipment and instrumentation equipment from lightning surges that invade signal lines and communic...

10 models listed

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• Surge Protectors

■For lightning damage prevention of 1000BASE-T and PoE compatible communication equipment. This SPD protects network equipment compatible with LAN ...

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• Surge Protectors

■Compact power-only type compatible with copy machines and audio equipment It is a small and lightweight power supply, and can be used in combinati...

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• Surge Protectors

■Compact type compatible with PCs and multi-function phones It is a small and lightweight yet highly reliable locking outlet type. Compatible with ...

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• Surge Protectors

■For TV and video with 2 outlet sockets Protects your TV/video from lightning surges. It has a high withstand capacity and long life that can handl...

• Surge Countermeasures

• Surge Protectors

■Shoden's railway protectors protect railway signal equipment from abnormal voltages and currents and support safe operation. Signals are essential...

6 models listed

• Surge Countermeasures

• Surge Protectors

■Summary Thunder Blocker Pro is an SPD (surge protection device) that protects various devices from lightning, from business equipment to computers...

• Surge Countermeasures

• Surge Protectors

■Summary Thunder Blocker Pro is an SPD (surge protection device) that protects various devices from lightning, from business equipment to computers...

• Surge Countermeasures

• Surge Protectors

■Summary Thunder Blocker Pro is an SPD (surge protection device) that protects various devices from lightning, from business equipment to computers...

• Surge Countermeasures

• Surge Protectors

■SPD ideal for high-density wiring systems of various telephone lines The UCP series is an SPD for communication lines that is compatible with the ...

3 models listed

• Surge Countermeasures

• Surge Protectors

■One-pole class II SPD compatible with JIS C 5381-11 The VAL-MS series is a class II SPD that supports a nominal discharge current of 8/20μs 20kA a...

5 models listed

• Surge Countermeasures

• Surge Protectors