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SPD/Arresters（Voltage：AC200V）
SPDs and arrestors (lightning arrestors) are surge protection devices that prevent electrical and electronic equipment failures that can occur due to lightning. If lightning causes a transient overvoltage (surge) to enter the equipment, the electronic circuit will fail. SPDs and arrestors (lightning arrestors) work to protect precision equipment, etc. by controlling transient applied voltages that occur momentarily. The SPD and arrestor (lightning arrester) work to bypassed and escape the surge to the earth. Zinc oxide elements are mainly used to absorb lightning surges, and in addition, silicon elements, molybdenum elements, gas tube elements, etc. are combined to make the products. The type varies depending on the application, such as for equipment, for power supplies with fuses, for power distribution board, for signal lines, etc. In addition, there are various features such as types with excellent responsiveness and durability, non-continuous types, compact types, etc.
Configure
Specification/Dimensions
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Application
- For Power Supply
- Power line
- Signal line
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Voltage
- AC100V
- AC200V
- AC400V
- AC500V
- DC600V or higher
- DC3V
- DC5V
- DC12V
- DC24V
- DC48V
- DC65V
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Type
- Single pole type
- Integrated
- Other
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Mounting Method
- Clamp type
- Crimp terminal attached
- Other
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Class, category
- Class I
- Class II
- Class III
- IEC category C2
- IEC category D1
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Representative Standard
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Dimension vertical(mm)
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Dimension width(mm)
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Dimension depth(mm)
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OTOWA
A compact type with a built-in detachment device and deterioration indicator
[Features]
· Includes a built-in detachment device. Includes a deterioration indicator.
· The built-in detachment mechanism prevents the SPD from smoking and/or igniting in cases where the ZnO element deteriorates.
· With function for indicating detachment mechanism operation.
· Compact, enables space-saving.
· Combined type between wires and ground protecting from lightning-induced surges.
· Use of multi‐terminal components helped in making the smallest product in the industry. Same dimensions are available for 200V to 500V.
· Safe lightning surge bearing strength.
· Using maximum discharge current 5kA (8 / 20 μs), it is difficult to break even with a large lightning surge.
· A long service life type that stands up to repeated lightning surges of 1000A500 times.From: ฿ 1,769.61 Days to Ship: 
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025SPD Class II for distribution boards
OTOWA
Easy mounting to panels. Excellent responsiveness with dynamic current. Width: 50 mm
[Features]
· Can be easily mounted to panels.
· JIS agreement type MCCB.
· 2-pole measurement width 50 mm.
· No need to worry even when it deteriorates.
· Built-in automatic detachment device.
· Includes SPD function display.
· Deteriorated contact output support.
· Excellent responsiveness, high performance, non-dynamic current.
· With shock preventing terminal cover.
· Three ways of mounting.
· DIN rail.
· Connection mounting board.
· Screw-clamp mounted metal fittings.
· A single unit protects between wires and between the ground.From: ฿ 5,415.02 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025SPD Class Ⅱ with Agreed Dimensions
OTOWA
[Features]
· Easy mounting to boards.
· Conforms to JIS agreed type MCCB dimensions (3 pole.)
· Copper belt for MCCB divergence can be used.
· No need to worry even when it deteriorates.
· Automatic built-in detachment device· With SPD function indicator.
· Deteriorated contact output support.
· Excellent responsiveness, high performance, non-dynamic current.
· Includes shock-preventing terminal cover, Four-way mounting.
· DIN rail.
· Mount with M4 screws.
· Connection mounting board.
· Screw-clamp mounted metal fittings.
· A single unit provides protection between wires and between the ground.From: ฿ 4,977.07 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Power Supply SPD, Class II/III, LGL Series
OTOWA
Boasts excellent responsiveness using non-dynamic current. Includes a built-in detachment device
[Features]
· A non dynamic current type with excellent responsiveness and high performance.
· Response speed is less than : 3sec.
· Power supply protection from maximum discharge current (Imax), 20kA and 40kA (8 / 20 μs), lightning and switch surge, and multiple lightning strikes.
· Includes safe function when deteriorated.
· Built-in detachment device.
· Features a transparent inspection window for visual inspections.
· Supports DIN rail mounting and screw mounting.
· Simple and reliable check and detach mechanism.
· Circuit insulation resistance measurement (Megger test) is possible.
· Can be used for connections between grounding electrodes.From: ฿ 2,677.79 Days to Ship:
3 Day(s)
3 Day(s)
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You can add up to 6 items per a category to the compare list.
OTOWA
For distribution board mounting with the same measurements as the safety breaker.
[Features]
· Same measurement as the safety breaker.
· There is an open space sized to mount one safety breaker on the distribution board.
· Mounting is easy.
· It is possible to use only one machine to protect between three wired single-phase circuits and the ground. Saving more space is possible.
· With arrester function indicator, and easy to inspect.From: ฿ 2,659.70 Days to Ship:
3 Day(s)
3 Day(s)
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You can add up to 6 items per a category to the compare list.
OTOWA
Compact protection between wires and the ground with a built-in detachment device
[Features]
· Maximum discharge current (Imax) protects power supply from 10kA (8 / 20 μs) lightning surges and switching surges.
· Excellent in responsiveness and non-dynamic current.
· Compact, and with one unit, protect between ground and single phase 2 wired circuits.
· Includes safe function when deteriorated.
· Built-in automatic detachment device.
· With operation indicator light.From: ฿ 3,018.50 Days to Ship:
3 Day(s)
3 Day(s)
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You can add up to 6 items per a category to the compare list.
SPD for Power Supply Class II/III LS Series
OTOWA
More efficient, and more compact. Boasts excellent responsiveness using non-dynamic current
[Features]
· More efficient and more compact: an integrated type with each of the spd combined, helping drastically reduce the amount of time and work required for wiring etc.
· Plug in type : SPD Only main body is replaceable.
· Safe even when it deteriorates. Includes a built-in detachment device for when the element deteriorates.
· Includes SPD operation display functionality.
· Deteriorated contact output support.
· Boasts an excellent response speed and high performance. The response speed using non-dynamic current is 3nsec or less, Imax: 40kA.From: ฿ 2,664.25 Days to Ship:
3 Day(s)
3 Day(s)
| Brand |
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| Application |
| Voltage |
| Type |
| Mounting Method |
| Class, category |
| Representative Standard |
| Dimension vertical(mm) |
| Dimension width(mm) |
| Dimension depth(mm) |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | OTOWA | OTOWA | OTOWA | OTOWA | OTOWA | OTOWA | OTOWA |
| Product Series | |||||||
| CAD |
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| From | ฿ 1,769.61 | ฿ 5,415.02 Special Price On Sale Until 31/03/2025 | ฿ 4,977.07 Special Price On Sale Until 31/03/2025 | ฿ 2,677.79 | ฿ 2,659.70 | ฿ 3,018.50 | ฿ 2,664.25 |
| Days to Ship | Same day | Same day | Same day | 3 Day(s) | 3 Day(s) | 3 Day(s) | 3 Day(s) |
| Application | For Power Supply | For Power Supply | For Power Supply | For Power Supply | For Power Supply | For Power Supply | For Power Supply |
| Voltage | AC200V | AC200V | AC200V | AC200V | AC200V | AC200V | AC200V |
| Type | Integrated | Integrated | Integrated | Single pole type | Integrated | Integrated | Single pole type / Integrated |
| Mounting Method | Other | Crimp terminal attached | Crimp terminal attached | Crimp terminal attached | Crimp terminal attached | Crimp terminal attached | Crimp terminal attached |
| Class, category | Class II | Class II | Class II | Class II / Class III | - | Class II | Class II / Class III |
| Representative Standard | UL / CUL / TUV / CSA | - | - | - | - | - | - |
| Dimension vertical(mm) | 33.5 | 107 | 104.5 | 96 | 70 | 64 | 95 |
| Dimension width(mm) | 38 | 50 | 75 | 25 | 32 | 20 | 18.5 ～ 72.5 |
| Dimension depth(mm) | 28 | 65 | 65 | 61.5 | 38 | 63 | 63.5 |
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