TKDW6GZ series DC frame isolating switch-Taikai Electric Appliance-Dedicated to low-voltage equipment

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TKDW6GZ series DC frame isolating switch

The TKDW6GZ series DC frame isolating switch is a new product for DC systems, suitable for DC systems with a rated voltage of DC1500V or less and a rated current ranging from 200A to 4000A. It has a rated insulation voltage (Ui) of 2000V and a rated impulse withstand voltage (Uimp) of 12kV. It is used for infrequent switching and disconnection of lines, acting as a line isolator. Application scenarios include DC power distribution, photovoltaics, and energy storage.

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TKDW6GZ series DC frame isolating switch

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Product Introduction

The TKDW6GZ series DC frame isolating switch is a new product for DC systems, suitable for DC systems with a rated voltage of DC1500V or less and a rated current ranging from 200A to 4000A. It has a rated insulation voltage (Ui) of 2000V and a rated impulse withstand voltage (Uimp) of 12kV. It is used for infrequent connection and disconnection of circuits, playing a role in isolating circuits. Application scenarios include DC power distribution, photovoltaics, and energy storage.

Standards Compliance

GB/T 14048.1 Low-voltage switchgear and controlgear Part 1: General (IEC 60947-1, MOD)

GB/T 14048.3 Low-voltage switchgear and controlgear Part 3: Switches, isolators, switch-disconnectors and fuse-combination units (IEC60947-3, IDT)

GB/T 14048.7 Low-voltage switchgear and controlgear Part 7-1: Auxiliary devices, terminal blocks for copper conductors

Standard Working Conditions

Ambient air temperature: -40°C to +70°C; 24-hour average not exceeding +35°C;

Installation altitude not exceeding 5000m;

At a maximum temperature of +40°C, the relative humidity of the air does not exceed 50%; higher relative humidity is permissible at lower temperatures, e.g., 90% at 20°C. Special measures should be taken for condensation occasionally caused by temperature changes;

Salt spray level: Grade 2;

Pollution level: Grade 3;

Locations free from rain and snow, without explosive media in the air, and without gases or conductive dust that could corrode metal or damage insulation;

Circuit-breakers should be installed and used according to the product's Product Manual;

The vertical inclination of the isolating switch does not exceed 5°;

The installation category for the isolating switch main circuit and undervoltage release coil, and the primary coil of the power transformer is Ⅳ, while the installation category for other auxiliary circuits and control circuits is Ⅲ;

Protection level: IP30, IP40 (installed in a cabinet compartment with a protective door frame);

Inverter Topology Structure

Product Model

Item	Main Technical Parameters
Product Specifications and Models	TKDW6GZ - 1600	TKDW6GZ - 2500	TKDW6GZ - 4000
Rated Working Current In	200A, 400A, 630A, 800A, 1000A, 1250A, 1600A	630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A	2500A, 2900A, 3200A, 3600A, 4000A
Rated Voltage Un	DC1500V
Pole Number	2P
Rated Insulation Voltage Ui	DC2000V	DC2000V	DC2000V
Rated Short-Time Withstand Current Icw	100kA/1s, 150kA/0.2s	100kA/1s, 150kA/0.2s	100kA/1s, 150kA/0.2s
Rated Short-Circuit Making Capacity Icm	100kA	100kA	100kA
Mechanical Life	20000 times	20000 times	20000 times
Electrical Life	1000 times	1000 times	500 times

Installation Dimensions

Model Specifications Model specifications	Rated current(A) Rated current (A)	W	H	D	W1	W2	W3	W4	W5	D1	D2	D3	D4	H1	H2	T	n	Φd1	A	B	Φd	A1
TKDW6GZ-1600	200 - 1600	226	320	236	176	80	50	20	18	50	50	50	12	45.5	99.5	15	8	10.5	144	202	9.5	72
TKDW6GZ-2500 Extended Row	630 - 1600	286	400	302.5	264	95	60	30	30	56	60	76	15	56.5	112	15	16	11	100	264	11	50
TKDW6GZ-2500 Extended Row	1600 - 2500	286	400	302.5	264	95	60	30	30	56	60	76	15	56.5	112	20	16	11	100	264	11	50
TKDW6GZ-2500	630 - 1600	286	400	302.5	264	95	60	28	-	28	32	46	17	56.5	112	15	8	13	100	264	11	50
TKDW6GZ-2500	1600 - 2500	286	400	302.5	264	95	60	28	-	28	32	46	17	56.5	112	20	8	13	100	264	11	50
TKDW6GZ-4000	630 - 2500	312	400	302.5	272	115	86	40	40	68	72	86	17	56.5	112	20	16	13	100	290	11	50
TKDW6GZ-4000	2500 - 4000	312	400	302.5	272	115	86	40	40	68	72	86	17	56.5	112	30	16	13	100	290	11	50