1 Technical indicators

1.1 Rated data

a. Rated power supply voltage: DC220V or DC110V (specify when ordering)

b. Rated AC data: AC voltage: 100/3 V or 100V

AC current: 5A or 1A

Rated frequency: 50Hz

c. Thermal stability:

AC voltage circuit: Long term operation of 1.2Un

AC current circuit: long-term operation for 2In

1s 40In

d. Dynamic stability:

Half cycle: 100In

1.2 Device power consumption

a. AC voltage circuit: not exceeding 0.5VA per phase;

b. AC current circuit: When In=5A, each phase should not exceed 1VA; when In=1A, each phase should not exceed 0.5VA;

c. Protection power circuit: not exceeding 35W during normal operation; not exceeding 50W during protection action.

1.3 Environmental conditions

a. Environmental temperature:

Work: -10 ℃ to+55 ℃.

Storage: -25 ℃~+70 ℃, relative humidity not exceeding 80%, indoor environment with no acidic, alkaline or other corrosive or explosive gases in the surrounding air, rain and snow proof; Under the limit value, no excitation is applied, and the device does not undergo irreversible changes. After the temperature is restored, the device should be able to work normally.

b. Relative humidity: The average maximum relative humidity in the wettest month is 90%, and the average minimum temperature in that month is 25 ℃ with no condensation on the surface. When the maximum temperature is+40 ℃, the average maximum humidity does not exceed 50%.

c. Atmospheric pressure: 80kPa~110kPa (relative altitude below 2km).

1.4 Anti interference performance

a. Pulse group interference test: able to withstand the pulse group interference test of attenuated oscillating waves with frequencies of 1MHz and 100kHz (the first half wave voltage amplitude is 2.5kV for common mode and 1kV for differential mode) specified in GB/T14598.13-2008.

b. Fast transient interference test: capable of withstanding the harsh level A fast transient interference test specified in Chapter 4 of GB/T14598.10-2007.

c. Radiated electromagnetic field interference test: capable of withstanding the radiated electromagnetic field interference test specified in Chapter 4 of GB/T14598.9-2002.

d. Electrostatic discharge test: capable of withstanding the severity level III electrostatic discharge test specified in 4.1 of GB/T14598.14-1998.

e. Electromagnetic emission test: capable of withstanding the conducted emission limits specified in 4.1 and the radiated emission limits specified in 4.2 of GB/T14598.16-2002.

f. Power frequency magnetic field immunity test: capable of withstanding the harsh level IV power frequency magnetic field immunity test specified in Chapter 5 of GB/T17626.8-2006.

g. Pulse magnetic field immunity test: capable of withstanding the severe level IV pulse magnetic field immunity test specified in Chapter 5 of GB/T17626.9-1998.

h. Damping oscillation magnetic field immunity test: capable of withstanding the severe level IV damping oscillation magnetic field immunity test specified in Chapter 5 of GB/T17626.10-1998.

i. Surge immunity test: able to withstand the severe level III surge immunity test specified in Chapter 4 of IEC 60255-22-5:2002.

j. Immunity test for conducted disturbances: able to withstand the conducted disturbances induced by radio frequency fields as specified in Chapter 4 of IEC 60255-22-6:2001.

k. Power frequency immunity test: capable of withstanding the power frequency immunity test specified in Chapter 4 of IEC 60255-22-7:2003.

1.5 Insulation performance

a. Insulation resistance: The insulation resistance value of each charged conductive circuit should not be less than 100M Ω when tested with a testing instrument with an open circuit voltage of 500V between ground (i.e. shell or exposed non charged metal parts), AC circuit and DC circuit, AC current circuit and AC voltage circuit.

b. Dielectric strength: The communication circuit and 24V weak current input and output terminals of the device can withstand AC voltage of 50Hz and 500V (effective value) to ground, and there is no breakdown or flashover phenomenon after a 1-minute inspection; The other charged conductive circuits can withstand AC voltage of 50Hz and 2kV (effective value) between ground (i.e. shell or exposed non charged metal parts), AC circuit and DC circuit, AC current circuit and AC voltage circuit, and have no breakdown or flashover phenomenon after a 1-minute inspection.

c. Impulse voltage: The communication circuit and 24V weak current input and output terminals of the device are grounded and can withstand a standard lightning wave impulse test of 1kV (peak); Each of its charged conductive terminals can withstand a standard lightning wave impulse test of 5kV (peak) between ground, AC circuit and DC circuit, AC current circuit and AC voltage circuit.

1.6 Mechanical Properties

a. Vibration response: The device can withstand the severity level I vibration response test specified in 4.2.1 of GB/T 11287-2000.

b. Shock response: The device can withstand the severity level I shock response test specified in 4.2.1 of GB/T 14537-1993.

c. Vibration durability: The device can withstand the harsh level I vibration durability test specified in 4.2.2 of GB/T 11287-2000.

d. Impact durability: The device can withstand the harsh level I impact durability test specified in 4.2.2 of GB/T 14537-1993.

e. Collision: The device can withstand the severity level I collision test specified in 4.3 of GB/T 14537-1993.