Product Categories
Related Products
HD1N-125/4 4P Isolator Photovoltaic Knife Switch
HD1N-125/4 4P Isolator Photovoltaic Knife Switch
MD/MDK PV Photovoltaic Anti Diode
MD/MDK PV Photovoltaic Anti Diode
MDQ 100A 1600V Single Phase Bridge Rectifiers Diode Module
MDQ 100A Single Phase Bridge Rectifiers Diode Module
Have any questions?
CONTACT US
WSTNQ-40 DC Isolated Switch
WSTNQ-40 DC Isolated Switch

WST-40 DC Isolated Switch

Advantage

> Clean production environment

> Full automatic testing with various tests

> Standardized production process with trained workers

> Low failure ratio and 24-month warranty

> Strong R&D and engineering support
Request a Quote  
WSTNQ-40 DC Isolated Switch
WSTNQ-40 DC Isolated Switch

Specifications

Main Parameters     WST-40
Rated insulation voltage Ui V 1500
Rated thermal current Ith A 32
Rated impulse withstand voltage Uimp V 8000
Rated short-circuit making capacity Icw A 1000
Maximum cable cross sections (incl. jumper)      
Solid or standard   mm2 2.5-6
Flexible mm2 2.5-6
Flexible (+ multicore cable end) mm2 2.5-6
Torque
Tightening torque terminal screws M4. Nm 1.2-1.8
Tightening torque shell mounting screws Nm 1.5-2.0
Tightening torque knob screws Nm 0.5-0.7
Switching on or off Torque Nm 0.9-1.3
The wiring Torque on Base Nm 1.1-1.4
General parameters
Knob positions   OFF at 9hr,ON at 12 hr
Mechanical life   10000
Number of DC poles   2 or 4
Operation temperature   -40 to +85
Storage temperature   -40 to +85
Pollution degree ℃ 2
Overvoltage category ℃ III
IP rating of shafte and mounting nul   IP66

 

Packing Specification Sheet

Specs Model PCS/CTNS DIM.(mm) G.W.(kg) P.S.
DC1000V/32A WSTNQ-40 20 570*340*260 15 No waterproof connector
DC1000V/32A WSTNQ-40 20 565*275*495 15 With waterproof connector
DC1000V/32A WSTNQ-40 20 565*275*495 15.5 Basics
DC1000V/32A WSTNQ-40 20 565*275*495 23 2 in 2 out (with wire)
DC1000V/32A WSTNQ-40 20 595*400*360 19 2 in 2 out (MC4)
Message Feedback
If you have any enquiry about quotation or cooperation,please free to email us at Winston or use the following enquiry form,Our sales representative will contact you within 24 hous.thank you for your interest in our products.
News Center
Can a Motor Soft Starter Adapt to Different Motor Scenarios and Simplify Maintenance?
Can a Motor Soft Starter Adapt to Different Motor Scenarios and Simplify Maintenance?
Motors have hidden risks—like repeated small mechanical shocks that shorten their life, or electrical mismatches that fail compliance checks. Old solutions only fix obvious problems, but a Motor Soft Starter is made to tackle these less-noticed issues.
2025-08-29
Why Motor Soft Starter Is a Must-Have for Modern Motor Control
Why Motor Soft Starter Is a Must-Have for Modern Motor Control?
Motors power almost every industrial and municipal task—from water pumps to factory conveyors. But their start-up process hides big problems: sudden electrical surges that mess with power grids, and harsh mechanical jolts that break equipment. Old-fashioned starting methods only make these issues worse, leading to frequent breakdowns and costly fixes. A Motor Soft Starter is the simple solution to these headaches.
2025-08-25
The Key Role of Frequency Converter in Electrical
The Key Role of Frequency Converter in Electrical
In the vast and ever - evolving field of electrical engineering, the frequency converter has emerged as a transformative and indispensable device. It has revolutionized the way electrical systems oper
2025-06-24
What Are the Key Advantages of Proximity Switches over Traditional Mechanical Switches?
What Are the Key Advantages of Proximity Switches over Traditional Mechanical Switches?
In the world of electrical and automation systems, switches play a crucial role. Two common types you might have heard of are proximity switches and traditional mechanical switches. While mechanical s
2025-05-21

GET A QUOTE
AFFORDABLE PRICE: AS A MANUFACTURER, WE GIVE YOU FACTORY PRICE
Contact Us For Free Sample
Inquiry is being submitted, please wait...
×