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Please be informed that our office is closed during the upcoming Labour Day Holiday in 2024. We would also like to inform you that there may be a potential delay in response/shipment from the supplier due to the Japan Golden Week holiday which falls from 29th April to 6th May 2024. Click here for details.
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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.

7 items

: 30; 45; 60

Days to Ship	All 4 Day(s) or Less 10 Day(s) or Less 12 Day(s) or Less 13 Day(s) or Less 16 Day(s) or Less 22 Day(s) or Less

SPD for equipment

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.

CAD ：: 2D

Standard Price:	SGD 55.90
Days to Ship:	4 Day(s) or more

SPD Class II for distribution boards

OTOWA

SPD for power distribution board with built-in automatic disconnection device.
[Features]
・ JIS agreement type circuit breaker for wiring with 2-pole dimension width of 50 mm, easy to install in the panel
・ Built-in automatic disconnection device, SPD function display, deteriorated contact output compatible (S Type only), and a safety function even when it deteriorates
・ Excellent responsiveness, no follow current
・ With electric shock prevention terminal cover
・ 3 patterns for mounting (DIN rail / connecting mounting plate / screw mount with mounting bracket)
[Applications]
・ Protects various low voltage power supply circuits from lightning surges

CAD ：: 2D

Standard Price:	SGD 188.23-
Days to Ship:	4 Day(s) or more

SPD Class Ⅱ with Agreed Dimensions

OTOWA

SPD that supports Class II (JIS C5381-11) and protects wire-to-wire and wire-to-ground with 1 unit.
[Features]
・ Compliant with JIS agreement type circuit breaker dimensions (for 3 poles)
・ Copper strips for Branch MCCB are also available for easy installation inside the panel
・ Built-in automatic disconnection device, SPD function display, deteriorated contact output compatible (S Type only), and a safety function even when it deteriorates
・ Excellent responsiveness, no follow current
・ With electric shock prevention terminal cover
・ 4 patterns for mounting (DIN rail / M4 screw / connecting mounting plate / screw mount with mounting bracket)
[Applications]
・ Protects various low voltage power supply circuits from lightning surges

CAD ：: 2D

Standard Price:	SGD 173.01-
Days to Ship:	4 Day(s) or more

Power Supply SPD, Class II/III, LGL Series

OTOWA

SPD for power supply with built-in disconnection device with no follow current and excellent response performance.
[Features]
・ Response speed is 3 nsec or less, excellent response, no follow current
・ Maximum electric discharge machining current (Imax) protects the power supply from 20 kA, 40 kA (8/20 μs), lightning surge/ switching surge, multiple-lightning
・ With safety function even when it deteriorates
・ Built-in disconnecting device, visual inspection from transparent inspection window
・ DIN rail mounting, screw mounting supported
・ Easy and reliable inspection and attachment/detachment mechanism
・ Circuit insulation resistance measurement (insulation resistance test) available
・ Can be used for connection between ground electrodes
[Applications]
・ Protection of low-voltage distribution board (power distribution board) and low-voltage power supply circuit

CAD ：: 2D

Standard Price:	SGD 93.08-
Days to Ship:	4 Day(s) or more

Home arrester

OTOWA

SPD (arrestor) with arrestor function display for easy inspection.
[Features]
・ Same dimensions as the safety breaker
・ Can be mounted on power distribution board in an empty space for 1 safety breaker
・ Easy to install
・ One unit can protect wire-to-wire and wire-to-ground of single-phase 3-wire circuits, and save space
・ Easy inspection with arrestor function display
[Applications]
・ Protects the power supply system of general households from lightning surges

Standard Price:	SGD 92.45
Days to Ship:	4 Day(s) or more

SPD for Power Supply Class II

OTOWA

[Features]
・ Compact, 1 unit protects wire-to-wire and wine-to-ground of a single-phase 2-wire circuit
・ Maximum electric discharge machining current (Imax) is 10 kA (8/20 μs). Protects the power supply from lightning surges and switching surges
・ Excellent responsiveness, no follow current
・ Built-in automatic disconnection device
・ With operation display lamp
・ With safety function even when it deteriorates
[Applications]
・ Industrial equipment, communication equipment, fire alarms, low-voltage distribution boards, control panels, water facilities, and other electric/electronic equipment

CAD ：: 2D

Standard Price:	SGD 104.92
Days to Ship:	4 Day(s) or more

SPD for Power Supply Class II/III LS Series

OTOWA

Lightning arrester that protects various low-voltage power supply circuits from lightning surges and is compatible with Class II/III (JIS C5381-11).
[Features]
・ By integrating each SPD, the wiring labor-hours can be reduced and the work time can be greatly reduced
・ Plug-in type, SPD body can be replaced independently
・ Built-in disconnection device for deterioration
・ With SPD operation display function. Supports deteriorated contact output for peace of mind even when deteriorated
[Applications]
・ Power supply protection for factories, buildings, etc.
・ Power supply protection for computers and electronic devices
・ Fire alarm power supply protection
・ Power supply protection for other low-voltage equipment

Standard Price:	SGD 92.61-
Days to Ship:	4 Day(s) or more


Brand
Product Series
CAD
Days to Ship
Application
Voltage
Type
Mounting Method
Class, category
Representative Standard
Dimension vertical(mm)
Dimension width(mm)
Dimension depth(mm)


Brand	OTOWA	OTOWA	OTOWA	OTOWA	OTOWA	OTOWA	OTOWA
Product Series	SPD for equipment	SPD Class II for distribution boards	SPD Class Ⅱ with Agreed Dimensions	Power Supply SPD, Class II/III, LGL Series	Home arrester	SPD for Power Supply Class II	SPD for Power Supply Class II/III LS Series
CAD	2D	2D	2D	2D		2D
Days to Ship	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more
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