home > News > Industry News

The requirements must pay attention to Plug-in power adapter apply for UL1310 Class 2 unit

source:Industry News     Popular:adapter     release time:2020-08-29 17:50:00     Article author:小编    

The following two requirements must pay attention to Plug-in power adapter apply for UL1310 Class 2 unit:

1). If include CUL

 

According to CSA standard CAN/CSA-C22.2 NO.233-M91 section 4.13.1 Open-Circuit Secondary Voltage “The open-circuit secondary voltage shall not be more than 30Vrms (42.2V peak or DC)”.

 

2). Spacing requirement, article 22.1, 22.2 as below:

22.1 Spacings between live parts of opposite polarity, between live and dead metal parts, and between live parts and a metal enclosure, shall be as specified in Table 22.1 or Table 22.2, as appropriate. If a live part is not rigidly secured in position by a means other than friction between surfaces, or if a movable dead metal part is in proximity to an uninsulated live part, the construction shall be such that at least the minimum spacings will be maintained.

 

Exeption No.1: Spacings between traces on a printed wiring board need not comply with Tables 22.1 and 22.2 if the printed wiring board complies with the abnormal operation test in 38.7.1-38.7.5. See also 20.3. The requirements specified in 20.3 and 38.7.1 -38.7.5 do not substitute for the minimum requied  spacings between the printed wiring board foils and dead metal parts or the spacings between the primary and secondary foils of the printed wiring board as specified in Table 22.1 or 22.2.


Read recommendations:

24W USB Charger,24W Charger,USB Charger

30W PD Charger,30W Charger,PD Charger

36-90W Charger,36W Charger,90W Charger,40W Charger,50W Charger

What are the wire and cable detection methods

How to install and use the car charger?manual charger company

Related Information

What are the unique advantages of high frequency switching power adapter

2022-04-20

General Mechanism Analysis of Switching Power Adapter.ac power adapter wholesaler

2022-04-19

Suppression method of low frequency ripple of switching power supply

2022-04-16

Why is the power adapter making noise?

2022-04-15

When the power adapter is in normal use, what is the normal temperature?

2022-04-14

90% of people use the car charger incorrectly, are you using it right?CAR POWER SUPPLY sales

2022-04-13

The difference between a power adapter and a voltage regulator

2022-04-12

Select the power adapter to determine these three adaptation conditions.SWITCHING POWER Vendor

2022-04-11

Why is the original power adapter better than the non-original one?TRANSFORMER Production

2022-04-09

What are the industries where the power adapter can be applied?CAR CHARGER wholesale

2022-04-08

What is the difference between high-end and low-end power adapters? How to check after playing,CAR P

2022-04-07

How to design a good power adapter,CAR CHARGER wholesaler

2022-04-07

Customized desktop power adapter

2022-04-06

The quality of the switching power supply determines the safety of electricity use,CAR CHARGER whole

2022-04-02

What are the advantages of wireless chargers?

2022-03-30

PD charger is a must-have at home

2022-03-29

What are the main materials of the power adapter shell?

2022-03-26

What is a PD power adapter? It can make charging ubiquitous

2022-03-25

Slow charging? Try a fast charger

2022-03-24

Do you understand the cause of abnormal noise in the power adapter?

2022-03-23

Reasons for abnormal noise of the power adapter

2022-03-22

Talking about the common problems of the power adapter

2022-03-19

General manufacturer power adapter reliability test items

2022-03-18

More energy efficient and safe power adapter

2022-03-17

Five ways to solve the power adapter overheating?

2022-03-16

What are the common connection faults of cottage shared chargers on the market?

2022-03-15

How to use the car charger and matters needing attention!

2022-03-14

Do you know the difference between a power adapter and a charger,CAR CHARGER Processor

2022-03-12

The power adapter has a very wide range of applications,Audio Transformer

2022-03-11

What is the development trend of the power adapter industry,AC ADAPTER

2022-03-10

Popular recommended products

QC3.0 24W USB Charger,24W USB Charger,24W USB Charger,USB Charger

2020-08-27

MKS-120200BS-36 Switching Power Supply

2020-08-29

40W 4USB Charger,40W Charger,4USB Charger

2020-08-27

36-90W Charger,36W Charger,90W Charger,40W Charger,50W Charger

2020-08-27

Inductance & Coil

2020-08-27

EI-35 ADAPTER AC ADAPTER SWITCHING ADAPTOR Linear Power Adapter Linear Adapter

2020-08-28

EI-57 ADAPTER LINEAR ADAPTOR Linear Power Adapter Switching Power Adapter INTERCHANGEABLE ADAPTOR Li

2020-08-28

3-15W Switching Power Supply

2020-08-28

45W PD Charger,45W Charger,PD Charger

2020-08-27

19V2A 36W Switching Power Supply

2020-08-28

12VDC8A 96W power supply

2020-08-28

EI-28 AC ADAPTER LINEAR ADAPTOR Linear Power Adapter Switching Power Adapter Linear Adapter

2020-08-28

30-500W LED Power Supply 30-500W Power Supply

2020-08-27

72-200W Switching Power Supply

2020-08-29

500W Charger,Charger

2020-08-28

60W 6USB Charger,60W Charger,6USB Charger,Charger

2020-08-27

MK-C1806028 MKA ADAPTER LINEAR ADAPTOR SWITCHING ADAPTOR Linear Power Adapter Linear Adapter

2020-08-28

MKS-1401700H Switching Power Supply

2020-08-29

EI-66 ADAPTER LINEAR ADAPTOR SWITCHING ADAPTOR Linear Power Adapter Linear Adapter

2020-08-28

12-36W POE POWER SUPPLY

2020-08-27

MKA-571652420 ADAPTER AC ADAPTER CE ADAPTOR UL ADAPTOR Linear Adapter

2020-08-28

12W 2USB Charger,2USB Charger,12W Charger,USB Charger

2020-08-27

MKS-1203000EX Switching Power Supply

2020-08-29

Transformer,High Frequency Transformer,Frequency Transformer

2020-08-27

30W PD Charger,30W Charger,PD Charger

2020-08-27

36-65W Switching Power Supply

2020-08-29

18-25W Switching Power Supply

2020-08-28

3-12W Medical Switching Power Supply 3W Switching Power Supply 12W Power Supply

2020-08-27

200-500W Switching Power Supply

2020-08-29

12W CAR CHARGER,12W USB CAR CHARGER,CAR CHARGER,12W CHARGER

2020-08-27
Copyright 2020 © Merryking Technology Co., Ltd. All rights reserved