住所
304ノース・カーディナル
セント・ドーチェスター・センター（マサチューセッツ州02124
勤務時間
月曜日～金曜日：午前7時～午後7時
週末午前10時～午後5時
ACサージ保護装置KYSPD-20T2+3-4P｜光安製作所
AC surge protection device for three-phase + N (4P) 230/400 V AC distribution systems.
Surge ratings: In 10 kA (8/20 µs), Imax 20 kA (8/20 µs), Up ≤ 0.3–1.8 kV depending on Uc.
Pluggable DIN-rail cartridge, thermal disconnector with fault indicator, optional RC monitoring contacts.
designed for three-phase + neutral (L1, L2, L3, N) distribution boards at 230/400 V AC.
Combining Type 2 and Type 3 protection classes, it safeguards electrical systems against
transient surges caused by switching events or lightning.It features MOV-based surge suppression with pluggable modules for convenient replacement.
Integrated thermal disconnectors ensure safe operation, while visible green/red indicators
display module status. Optional RC contacts provide remote signaling for monitoring systems.
主な特徴
- Class II+III / Type 2+3 AC surge protection device (4P: L1-L2-L3-N).
- Nominal discharge current (In): 10 kA (8/20 μs).
- Maximum discharge current (Imax): 20 kA (8/20 μs).
- Voltage protection level (Up): ≤ 0.3–1.8 kV depending on Uc (75–440 V).
- Fast response time < 25 ns for L–N protection.
- Back-up fuse: max 63 A gL/gG; ISCCR 10 kA AC.
- Pluggable cartridges with thermal disconnector and green/red status display.
- Optional RC contacts: AC 250 V / 0.5 A; DC 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A.
- Housing IP20, UL94 V-0 thermoplastic; operating temperature -40 °C to +70 °C.
- DIN rail mounting (35 mm, EN 60715); IEC/EN 61643-11 compliant.
仕様
| Product Code | KYSPD-20T2+3-4P |
|---|---|
| Category | AC surge protection device |
| Nominal System Voltage | 230/400 V AC |
| ポール | 4P (L1, L2, L3, N) |
| Continuous Operating Voltage (Uc) | 75 / 150 / 275 / 320 / 385 / 440 V |
| Nominal Discharge Current (In, 8/20 μs) | 10 kA |
| Maximum Discharge Current (Imax, 8/20 μs) | 20 kA |
| Voltage Protection Level (Up) | ≤ 0.3–1.8 kV |
| 応答時間 | < 25 ns |
| Back-Up Fuse (max) | 63 A gL/gG |
| Short-Circuit Current Rating (ISCCR) | 10 kA AC |
| 動作温度 | -40 °C to +70 °C |
| 取り付け | 35 mm DIN rail, EN 60715 |
| Enclosure / Protection | Thermoplastic UL94 V-0 / IP20 |
| Remote Signaling (RC) | オプション; AC 250 V / 0.5 A; DC 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A |
| 規格 | IEC/EN 61643-11 |
配線と寸法
Connection diagram AC surge protection device KYSPD-20T2+3-4P
Dimensions AC surge protection device KYSPD-20T2+3-4P
アプリケーション
- Main distribution boards in residential, commercial, and industrial facilities.
- Three-phase + N electrical panels requiring Type 2+3 coordinated protection.
- Protection of sensitive building equipment, servers, and automation systems.
よくあるご質問
- What class of SPD is KYSPD-20T2+3-4P? It is Class II+III, Type 2+3 according to IEC/EN 61643-11.
- What is its surge discharge capacity? In 10 kA, Imax 20 kA per pole.
- Which systems is it designed for? Three-phase + N (4P) AC distribution panels at 230/400 V.
- Does it support remote fault signaling? Yes, optional RC contacts are available.
- What is the maximum backup fuse rating? 63 A gL/gG.
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