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Lightning-free breaker SPD-LD-B22E3
Lightning-free breaker SPD-Otowa Electric Industry Co., Ltd.

Lightning-free breaker SPD
Otowa Electric Industry Co., Ltd.

Otowa Electric Industry Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

40.2hours


About This Product

■Features

1.SPD external separator (MCCB) and SPD are integrated, minimizing wiring inside the panel Integration of the SPD external separator eliminates external wiring between the SPD and separator, significantly reducing wiring man-hours. Optimal lightning protection is achieved by keeping the wiring as short as possible. 2. Equipped with an inspection disconnect function that allows inspection while the main breaker is energized. Molded case circuit breaker (MCCB): When replacing or inspecting the SPD unit, the circuit breaker is operated to open the circuit and work can be done without voltage. 3. Great protection ability Voltage protection level is below 1,300V, impulse current Iimp25kA, protects facilities and equipment from damage caused by direct lightning strikes. 4.Only the SPD part can be replaced 5. Excellent responsiveness and no follow current Response speed: 3nsec or less 6. Comes with a safety function even when it deteriorates ・Two-stage protection function (SPD internal automatic disconnection device operates, SPD external separator trips) ・With SPD function display ・Supports degraded contact output (LD-B22E3S only) 7. Compatible with RoHS regulated substances

  • Product

    Lightning-free breaker SPD

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2 Models of Lightning-free breaker SPD

Click on the part number for more information about each product

Image Part Number Price (excluding tax) Voltage protection level Maximum continuous working voltage (50/60Hz) Maximum working voltage/current Contact operation (c contact) Rated short circuit current Rated impulse withstand voltage Enclosure protection class (IP code) Installation method Nominal discharge current (8/20μs) Wire range used Operating temperature range Usable wires Frame Impulse current (10/350μs)
Lightning-free breaker SPD-Part Number-LD-B22E3

LD-B22E3

Available upon quote

1,300V or less

Single-phase 3-wire 110/220V AC, 3-phase 3-wire 250V AC

AC250V/3.0A DC125V/0.4A

A contact (ALa1-ALc1)... Normal: OFF Deteriorated: ON
b contact (ALb1-ALc1)...Normal: ON When degraded: OFF

80kA

8kV

IP20

Screw installation

25kA

8mm2~22mm2

-5℃~+40℃

Stranded wire 0.5mm2~2.0mm2 (AWG20~AWG14)

225AF/225AT

25kA

Lightning-free breaker SPD-Part Number-LD-B22E3S

LD-B22E3S

Available upon quote

1,300V or less

Single-phase 3-wire 110/220V AC, 3-phase 3-wire 250V AC

AC250V/3.0A DC125V/0.4A

A contact (ALa1-ALc1)... Normal: OFF Deteriorated: ON
b contact (ALb1-ALc1)...Normal: ON When degraded: OFF

80kA

8kV

IP20

Screw installation

25kA

8mm2~22mm2

-5℃~+40℃

Stranded wire 0.5mm2~2.0mm2 (AWG20~AWG14)

225AF/225AT

25kA

Click on the part number for more information about each product

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About Company Handling This Product

Response Rate

100.0%


Response Time

40.2hrs

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