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SPD/Arresters（Class, category：Class III）

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

Application
- For Power Supply
- Power line
- Signal line
Clear

Voltage
- AC100V
- AC200V
- AC400V
- AC500V
- DC600V or higher
- DC3V
- DC5V
- DC12V
- DC24V
- DC48V
- DC65V
Clear

Type
- Single pole type
- Integrated
- Other
Clear

Mounting Method
- Clamp type
- Crimp terminal attached
- Other
Clear

Class, category
- Class I
- Class II
- Class III
- IEC category C2
- IEC category D1
Clear

Representative Standard
- UL
- CUL
- TUV
- CSA
Clear

Dimension vertical(mm)
33.5

51.5

63

64

70

72

72.5

91

95

96

98

102

104.5

107
Clear

Dimension width(mm)
10.8

18

18.5

20

23

25

28

32

32.4

33

34

36.5

38

38.6

50

54.5

72.5

75
Clear

Dimension depth(mm)
23.5

24

26.5

28

34

38

61.5

63

63.5

65

69

70

72.5

122.5
Clear

Brand	(1) (0) OMRON (0) OTOWA (3) RS Pro (0) Schneider Electric (0)
CAD	2D 3D
Days to Ship	All Same day 2 Day(s) or Less 3 Day(s) or Less 5 Day(s) or Less 8 Day(s) or Less Others

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For Low Voltage Power Supplies (100/200 VAC)

MISUMI

High-performance model no follow current and excellent responsiveness. Category II/III (JIS C5381-1) for low voltages

From: ฿ 2,601.48
Days to Ship: 3 Day(s)

3 Day(s)

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Special for photovoltaic systems, Power supply SPD, Class II and III

OTOWA

Solar-system-only, more efficient and compact

[Features]
· More efficient and compact.
· By combining each SPD, less man hours are required for wiring thereby reducing the work time considerably.
· Plug in type.
· Only the main SPD unit can be replaced.
· Safe even during deterioration.
· Includes a built-in detachment device in case of deterioration.
· Includes SPD operation display functionality.
· Normally: Blue, when it deteriorates: Red.
· Deteriorated contact output support.
· C contact point (contact points a and b).
· Excellent response speed, high performance, non-dynamic current.
· Response speed: 3nsec or less.
· Imax: 40kA.

From: ฿ 3,930.65
Days to Ship: 3 Day(s)

3 Day(s)

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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: ฿ 2,662.74
Days to Ship: 3 Day(s)

3 Day(s)

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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
Product Series
CAD
From
Days to Ship
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.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	MISUMI	OTOWA	OTOWA	OTOWA
Product Series	For Low Voltage Power Supplies (100/200 VAC)	Special for photovoltaic systems, Power supply SPD, Class II and III	Power Supply SPD, Class II/III, LGL Series	SPD for Power Supply Class II/III LS Series
CAD			2D
From	฿ 2,601.48	฿ 3,930.65	฿ 2,662.74	฿ 2,664.25
Days to Ship	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
Voltage	AC100V	DC600V or higher	AC100V / AC200V / AC400V	AC100V / AC200V / AC400V
Type	Single pole type	Single pole type	Single pole type	Single pole type / Integrated
Mounting Method	-	Crimp terminal attached	Crimp terminal attached	Crimp terminal attached
Class, category	Class III	Class III	Class III	Class III
Representative Standard	-	-	-	-
Dimension vertical(mm)	96	95	96	95
Dimension width(mm)	25	18.5 ～ 36.5	25	18.5 ～ 72.5
Dimension depth(mm)	61.5	63.5	61.5 ～ 70	63.5