The new EU standard EN 55035 will replace the previously applicable EN 55020 and EN 55024 for multimedia devices, as well as their amendments.

EN 55035 Applicable product range:

The multimedia standard includes previous EN 55020 (AV) and EN 55024 (ITE) products, as well as multimedia products for professional purposes.

Detailed testing requirements for EN 55035:

The testing requirements of EN 55035 are not a simple superposition of the testing requirements of EN 55020 and EN 55024. Here, we compare the requirements of key testing items to gain a clear understanding of EN 55035.

1、 Test items with the same testing requirements as EN 55020 and EN 55024

ESD (Electrostatic Discharge Immunity)

Test requirements for EN 55035:+/-4KV for Contact change+/- 8KV for Air exchange

Test requirements for EN 55020:+/-4KV for Contact change+/- 8KV for Air exchange

Test requirements for EN 55024:+/-4KV for Contact change+/- 8KV for Air exchange

2、 Test items with different testing requirements from EN 55020 and EN 55024

1. RS (Radiation Immunity)

Test requirements for EN 55035: 800MHz -1000MHz, 1800MHz, 2600MHz, 3500MHz, 5000MHz

Test requirements for EN 55020: 900MHz, 790MHz-862MHz

Test requirements for EN 55024: 80MHz-1000MHz

2. EFT (Fast Pulse Swarm)

Test requirements for EN 55035:+/-1KV for AC main port+/- 0.5KV for analog digital data ports and DC network power port

Test requirements for EN 55020: only+/-1KV for AC main port

Test requirements for EN 55024:+/-1KV for AC main port+/- 0.5KV for analog digital data ports and DC network power port

3. Surge

EN 55035 testing requirements: unshielded symmetric port 1KV for without primary protection in plan; 4KV for the primary agents fitted; 0.5KV for coaxial shielded signal port

DC network power port: 0.5KV

AC mains power port: 1KV for line to line, 2KV for line to earth

Test requirements for EN 55020: N/A

Test requirements for EN 55024: Signal ports and communication ports: 1KV for without primary protectors fitted

DC power port: 05KV; AV Mains power port: 1KV for line to line, 2KV for line to search

4. CS (Conducted Immunity)

Test requirements for EN 55035: 0.15MHz -10MHz: 3V; 10MHz -30MHz: 3V to 1V, 30MHz -80MHz: 1V

Test requirements for EN 55020: N/A

Test requirements for EN 55024: 0.15MHz -10MHz: 3V

5. Power frequency magnetic field immunity

Test requirements for EN 55035: 1A/m

Test requirements for EN 55020: N/A

Test requirements for EN 55024: 1A/m

6. Voltage Dips&short interruptions - Voltage Dips

The testing requirements of EN 55035: Residual voltages<5% Number of cycles 0.5; Study voltage: 70% Number of cycles: 25 for 50Hz, 30 for 60Hz

Test requirements for EN 55020: N/A

The testing requirements of EN 55024: Residual voltages<5% Number of cycles 0.5; Study voltage: 70% Number of cycles: 25 for 50Hz, 30 for 60Hz

7. Voltage Dips&short interruptions - Voltage interruptions

Test requirements for EN 55035: Residual voltages<5% Number of cycles: 250 for 50Hz, 300 for 60Hz

Test requirements for EN 55020: N/A

Test requirements for EN 55024: Residual voltages<5% Number of cycles: 250 for 50Hz, 300 for 60Hz

3、 New testing items added to EN 55035

1. Broadband pulse noise disturbances, repetitive - Impulse Frequency Test level

Test requirements: 0.15MHz to 0.5MHz 107dBuV; 0.5MHz to 10MHz 107dBuV to 36dBuV; 10 to 30MHz 36dBuV to 30dBuV

2. Broadband pulse noise disturbances, isolated - Impulse Frequency Test level

Test requirements: 0.15MHz to 30MHz 110dBuV