Name: EKDS7 Modular Multi-String 1500V DC Disconnector
Brand: ETEK
SKU: 00037
Rating: 4.1 (69 reviews)

Product Introduction

ETEK Solar’s EKDS7 modular DC multi-string switch-disconnectors, specifically engineered for advanced photovoltaic installations requiring multiple string configurations.

Designed with versatility in mind, these switch-disconnectors offer exceptional customization options to meet diverse installation requirements. The series supports current ratings from 13A to 55A and operates at voltages up to 1500 Vdc, available in configurations ranging from 2P to 10P versions.

Installation flexibility is ensured through four distinct mounting options:

DIN Rail mounting (DB)

Panel mounting (PM)

Door interlock (DC)

Hole mounting (HM)

The series features various handle configurations to suit different operational needs, including direct and external options, with or without locking mechanisms, available in standard black or emergency color variants.

These switch-disconnectors are engineered to meet DC-PV1 and DC-PV2 usage categories, fully complying with IEC/EN60947-3 standards for reliable and safe operation in photovoltaic applications.

Product Parameters

Rated operating current at 1000V (In)	13A	20A	25A	40A	50A
Rated insulation voltage (Ui)	1500V
Rated thermal current (Ith)	32A	40A	55A	55A	63A
Rated impulse withstand voltage (Uimp)	8kV
Rated short-time withstand current (1s) (Icw)	780A
Rated short-time making capacity (Icm)	1200A
Maximum cable cross sections	4~16mm²
Knob positions	OFF at 9hr, ON at 12hr; OFF at 12hr, ON at 3hr
Number of operating cycles with load	3000 Cycles
Number of operating cycles without load	10000 Cycles
Distance of contacts (per pole)	8mm
Operation temperature	-40℃ to +85℃
Store temperature	-40℃ to +85℃
Pollution degree	3
Overvoltage category	II
IP rating (PM, DC)	IP66

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