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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
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月曜日～金曜日：午前7時～午後7時
週末午前10時～午後5時
KGLD Dual Power Automatic Transfer Switch (20–3200A)
Kuangya KGLD series isolated dual power automatic transfer switch (ATS), covering 20A–3200A, designed for reliable power grid ↔ generator changeover.
Features fast switching, integrated ATS controller, motor drive mechanism, high dielectric withstand, and >8000 operations lifespan.
Suitable for hospitals, banks, high-rise buildings, industrial plants, and other critical applications requiring uninterrupted power supply.
について KGLD Series Dual Power Automatic Transfer Switch (ATS) is a reliable dual power automatic transfer switch designed for switching between main and standby power or grid and generator.
With a compact design, high switching speed, and compliance with IEC 60947-6-1, the KGLD series ensures stable operation in critical facilities.
It provides automatic transfer, electrical and mechanical interlock, and an optional forced “0” position for maintenance.
アプリケーション
Hospitals, banks, and data centers requiring continuous power
Industrial facilities using 自動転送スイッチ equipment
Residential and commercial buildings with dual source power supply
Generator backup systems with dual power automatic transfer switch
主な特徴
Wide current range: 20–1600A, suitable for various ATS switch applications
Rated working voltage: AC400V, insulation up to 1000V
High short-circuit capacity: up to 120kA
Fast switching: conversion time 0.45s–1.2s
IEC 60947-6-1 / GB/T14048.11 ATS規格に適合
Supports both manual and automatic transfer operation
Available in 3P and 4P models, ideal as a dual power automatic transfer switch for commercial and industrial projects
Main Technical Parameters
| Rated Current (A) | Rated Insulation Voltage Ui (V) | Rated Impulse Withstand Voltage Uimp (kV) | Rated Working Voltage Ue (V) | AC-31A Rated Current (A) | AC-35A Rated Current (A) | AC-33A Rated Current (A) | Rated Making Capacity | Rated Breaking Capacity | Rated Limited Short Circuit Capacity (kA) | Rated Short-time Withstand Current (kA) | Conversion Time I↔II (s) | Control Voltage | Motor Power Start (W) | Motor Power Normal (W) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 | 750 | 8 | AC400 | 20 | 20 | 20 | 10 Ie | 8 Ie | 50 | 7 | 0.45 | AC220 | 300 | 55 | 7.0 |
| 40 | 750 | 8 | AC400 | 40 | 40 | 40 | 10 Ie | 8 Ie | 50 | 7 | 0.45 | AC220 | 300 | 55 | 7.0 |
| 63 | 750 | 8 | AC400 | 63 | 63 | 63 | 10 Ie | 8 Ie | 50 | 7 | 0.45 | AC220 | 300 | 55 | 7.2 |
| 80 | 750 | 8 | AC400 | 80 | 80 | 80 | 10 Ie | 8 Ie | 50 | 7 | 0.45 | AC220 | 300 | 55 | 7.2 |
| 100 | 750 | 8 | AC400 | 100 | 100 | 100 | 10 Ie | 8 Ie | 50 | 7 | 0.45 | AC220 | 300 | 55 | 7.5 |
| 125 | 750 | 8 | AC400 | 125 | 125 | 125 | 10 Ie | 8 Ie | 50 | 7 | 0.45 | AC220 | 325 | 62 | 7.5 |
| 160 | 750 | 8 | AC400 | 160 | 160 | 160 | 10 Ie | 8 Ie | 50 | 7 | 0.45 | AC220 | 335 | 62 | 8.8 |
| 250 | 750 | 8 | AC400 | 250 | 250 | 250 | 10 Ie | 8 Ie | 50 | 7 | 0.45 | AC220 | 335 | 62 | 9.0 |
| 400 | 750 | 8 | AC400 | 400 | 400 | 400 | 10 Ie | 8 Ie | 50 | 9 | 0.6 | AC220 | 335 | 74 | 16.5 |
| 630 | 750 | 8 | AC400 | 630 | 630 | 630 | 10 Ie | 8 Ie | 50 | 9 | 0.6 | AC220 | 335 | 74 | 17.0 |
| 800 | 1000 | 12 | AC400 | 800 | 800 | 800 | 10 Ie | 8 Ie | 70 | 13 | 1.2 | AC220 | 440 | 90 | 32.0 |
| 1000 | 1000 | 12 | AC400 | 1000 | 1000 | 800 | 10 Ie | 8 Ie | 70 | 26 | 1.2 | AC220 | 440 | 98 | 36.0 |
| 1250 | 1000 | 12 | AC400 | 1250 | 1000 | 800 | 10 Ie | 8 Ie | 100 | 50 | 1.2 | AC220 | 440 | 98 | 40.0 |
| 1600 | 1000 | 12 | AC400 | 1600 | 1600 | 1000 | 10 Ie | 8 Ie | 120 | 50 | 1.2 | AC220 | 440 | 98 | 43.0 |
Main Circuit Wiring
The KGLD automatic transfer switch provides multiple wiring modes depending on system design, including:
- Economical connection type (below 100A)
- Passive signal + active fire terminal connection mode (100–630A)
- Fully automatic connection (160–1600A)
- Full automatic “0” forced setting (both sources disconnected)
- Generator signal output connection mode
- Automatic + Manual (remote control)
- Wiring with controller (100–1600A)
Detailed wiring diagrams are available in the product catalog and should be strictly followed during installation.
規格とコンプライアンス
The KGLD series conforms to the following international standards:
- IEC 60947-1 / GB/T 14048.1 (Low-voltage switchgear and controlgear – General rules)
- IEC 60947-3 / GB/T 14048.3 (Switch disconnectors, isolators, fuse-combination units)
- IEC 60947-6-1 / GB/T 14048.11 (Automatic transfer switching equipment – ATS)
- Certified for safety, performance, and long service life
セレクションガイド
When choosing a KGLD automatic transfer switch, consider the following factors:
- Rated Current (20A–1600A) → Select based on total load.
- ポール → 3P for three-phase three-wire, 4P for three-phase four-wire systems.
- Control Method → Automatic or manual; remote control optional.
- Conversion Time → 0.45s–1.2s depending on model.
- Short-circuit Capacity → Up to 120kA for larger ratings.
- Installation Method → Panel mounted or door-mounted handle.
- Standards & Certification → Verify IEC/GB conformity and project compliance.
よくあるご質問
What is the main difference between KGLD and KGQ2 series?
KGLD is motor-driven automatic ATS with wide current range (20–1600A), while KGQ2 focuses on molded case dual power switches with different application emphasis.
Can KGLD be used with a generator as backup?
Yes. It supports grid-to-generator transfer, with automatic voltage detection and secure switching.
Does KGLD support remote control?
Yes, wiring modes include manual remote control and controller-based operation for smart systems.
What is the service life of KGLD?
Mechanical endurance ≥8000 operations, electrical endurance ≥6000 operations under rated conditions.
Is it certified?
Yes, compliant with IEC 60947-6-1, IEC 60947-3, GB/T14048.11, and related standards.
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