Products and Solution

3.5kW Air-Cooled Output: 200~420Vdc

EVR400-3500
The 3.5kW series high-frequency switching rectifier module is an AC/DC power unit with AC voltage input and adjustable DC voltage output. Specifically designed for portable, handheld, and on-board charging (OBC) scenarios, the product features a wide input voltage range and a broad operating temperature range. It is characterized by high reliability, high efficiency, a high power factor, and high power density, alongside low noise and low standby power consumption.

Product Features

High Efficiency & Energy Saving

High power density: High power density and small size reduce system costs.

Ultra-high efficiency: Peak efficiency ≥ 93.5%, reducing charging operation costs.

01
Excellent Performance

Wide output voltage range: 200V~420V.

Comprehensive protection: Equipped with complete protection circuits, including output over-voltage protection, input under-voltage/over-voltage protection, over-temperature protection, and fan failure protection.

02
Safety & Reliability

Full potting protection: Adopts full potting technology for excellent heat dissipation, high reliability, long service life, and enhanced environmental protection against salt spray and mold.

Reduced heat dissipation requirements: Simplified heat dissipation design reduces fan noise and improves reliability.

03
Wide Adaptability

Unlimited scenarios: Wide operating temperature range of -40°C ~ 75°C, suitable for harsh working environments.

Low input harmonics: Stronger adaptability to the power grid.

04

Product Parameters

EVR400-3500
EVR400-3500B
EVR500-3500
EVR700-3500
EVR800-3500
General
DC Output
AC Input
Operating Environment
Other Parameters
General
DC Output 
AC Input
Operating Environment
Other Parameters
General
DC Output 
AC Input
Operating Environment
Other Parameters
General
DC Output
AC Input
Operating Environment
Other Parameters
General
DC Output
AC Input
Operating Environment
Other Parameters
General

Item

Specification

General

Model

EVR400-3500

Rated Output Power 3.5kW

Weight

2kg

Dimensions

125mm (W) × 41mm (H) × 303mm (D)

DC Output
Item Specification
DC Output  Rated Output Current  9A 
Output Voltage Range 200~420VDC
Current Limiting Range 10%~110% (Stepless)
Peak-to-Peak Noise ≤±0.5%
Voltage Regulation Accuracy ≤±0.5%
Current Regulation Accuracy ≤±1%
Current Sharing ≤±5%
Efficiency ≥93% (100% Load); ≥93.5% (50% Load)
Short Circuit Limit current, auto-recovery.
Over-current Internal shutdown, auto-recovery.
Over-voltage Shutdown and lock, manual reset/re-power required.
AC Input

Item

Specification

AC Input

Rated Input Voltage 220VAC / 220VDC; 110VAC / 110VDC (Half load)
Input Voltage Range

AC: 176 - 300VAC (Full load); 85 - 176VAC (Derating)

DC: 176 - 420VDC (Full load); 85 - 176VDC (Derating)

Input Current <25A

Frequency

45Hz~65Hz

Power Factor (PF)

≥0.99

Total Harmonic Distortion (THD)

≤5%
Input Startup Voltage ≥85VAC or 85VDC
Input Sampling Accuracy ±5VAC or VDC
OVP/UVP

AC: Shutdown >300VAC, <80VAC; Recovery 285VAC / 95VAC, Accuracy: ±5Vac

DC: Shutdown >420VDC, <80VDC; Recovery 405VDC / 95VDC, Accuracy: ±5Vac

Input Protection

Fuses; Surge Protection Circuit (SPD)

Operating Environment

Item

Specification

Operating Environment

Coolant Temperature

-40℃45℃(Normal); 45℃~75℃(Derating)

Storage Temperature

-40℃75℃

Relative Humidity

095%

Altitude

Full load output below 2000m

Other Parameters

Item

Specification

Reliability & Compliance

Dielectric Strength

Input to Chassis: 3535VDC/1min (50Hz equivalent)

Input to Output: 4242VDC/1min (50Hz equivalent)

MTBF

120,000 Hours

Communication

Communication Interface

CAN

Max. Units in Parallel

60 units

Output anti-backflow diode failure isolation;  Integrated output discharge: < 48V within 1s.

Expand all parameters
General

Item

Specification

General

Model

EVR400-3500B

Rated Output Power 3.5kW

Weight

2kg

Dimensions

125mm (W) × 41mm (H) × 303mm (D)

DC Output 
Item Specification
DC Output  Rated Output Current  9A 
Output Voltage Range 200~530VDC
Current Limiting Range 10%~110% (Stepless)
Peak-to-Peak Noise ≤±0.5%
Voltage Regulation Accuracy ≤±0.5%
Current Regulation Accuracy ≤±1%
Current Sharing ≤±5%
Efficiency ≥93% (100% Load); ≥93.5% (50% Load)
Short Circuit Limit current, auto-recovery.
Over-current Internal shutdown, auto-recovery.
Over-voltage Shutdown and lock, manual reset/re-power required.

AC Input

Item

Specification

AC Input

Rated Input Voltage 220VAC / 220VDC; 110VAC / 110VDC (Half load)
Input Voltage Range

AC: 176 - 300VAC (Full load); 85 - 176VAC (Derating)

DC: 176 - 420VDC (Full load); 85 - 176VDC (Derating)

Input Current <25A

Frequency

45Hz~65Hz

Power Factor (PF)

≥0.99

Total Harmonic Distortion (THD)

≤5%
Input Startup Voltage ≥85VAC or 85VDC
Input Sampling Accuracy ±5VAC or VDC
OVP/UVP

AC: Shutdown >300VAC, <80VAC; Recovery 285VAC / 95VAC, Accuracy: ±5Vac

DC: Shutdown >420VDC, <80VDC; Recovery 405VDC / 95VDC, Accuracy: ±5Vac

Input Protection

Fuses; Surge Protection Circuit (SPD)

Operating Environment

Item

Specification

Operating Environment

Coolant Temperature

-40℃45℃(Normal); 45℃~75℃(Derating)

Storage Temperature

-40℃75℃

Relative Humidity

095%

Altitude

Full load output below 2000m

Other Parameters

Item

Specification

Reliability & Compliance

Dielectric Strength

Input to Chassis: 3535VDC/1min (50Hz equivalent)

Input to Output: 4242VDC/1min (50Hz equivalent)

MTBF

120,000 Hours

Communication

Communication Interface

CAN

Max. Units in Parallel

60 units

Output anti-backflow diode failure isolation;  Integrated output discharge: < 48V within 1s.

Expand all parameters
General

Item

Specification

General

Model

EVR500-3500

Rated Output Power 3.5kW

Weight

2kg

Dimensions

125mm (W) × 41mm (H) × 303mm (D)

DC Output 
Item Specification
DC Output  Rated Output Current  7A 
Output Voltage Range 200~530VDC
Current Limiting Range 10%~110% (Stepless)
Peak-to-Peak Noise ≤±0.5%
Voltage Regulation Accuracy ≤±0.5%
Current Regulation Accuracy ≤±1%
Current Sharing ≤±5%
Efficiency ≥93% (100% Load); ≥93.5% (50% Load)
Short Circuit Limit current, auto-recovery.
Over-current Internal shutdown, auto-recovery.
Over-voltage Shutdown and lock, manual reset/re-power required.

AC Input

Item

Specification

AC Input

Rated Input Voltage 220VAC / 220VDC; 110VAC / 110VDC (Half load)
Input Voltage Range

AC: 176 - 300VAC (Full load); 85 - 176VAC (Derating)

DC: 176 - 420VDC (Full load); 85 - 176VDC (Derating)

Input Current <25A

Frequency

45Hz~65Hz

Power Factor (PF)

≥0.99

Total Harmonic Distortion (THD)

≤5%
Input Startup Voltage ≥85VAC or 85VDC
Input Sampling Accuracy ±5VAC or VDC
OVP/UVP

AC: Shutdown >300VAC, <80VAC; Recovery 285VAC / 95VAC, Accuracy: ±5Vac

DC: Shutdown >420VDC, <80VDC; Recovery 405VDC / 95VDC, Accuracy: ±5Vac

Input Protection

Fuses; Surge Protection Circuit (SPD)

Operating Environment

Item

Specification

Operating Environment

Coolant Temperature

-40℃45℃(Normal); 45℃~75℃(Derating)

Storage Temperature

-40℃75℃

Relative Humidity

095%

Altitude

Full load output below 2000m

Other Parameters

Item

Specification

Reliability & Compliance

Dielectric Strength

Input to Chassis: 3535VDC/1min (50Hz equivalent)

Input to Output: 4242VDC/1min (50Hz equivalent)

MTBF

120,000 Hours

Communication

Communication Interface

CAN

Max. Units in Parallel

60 units

Output anti-backflow diode failure isolation;  Integrated output discharge: < 48V within 1s.

Expand all parameters
General

Item

Specification

General

Model

EVR700-3500

Rated Output Power 3.5kW

Weight

2kg

Dimensions

125mm (W) × 41mm (H) × 303mm (D)

DC Output
Item Specification
DC Output  Rated Output Current 5A 
Output Voltage Range 200~750VDC
Current Limiting Range 10%~110% (Stepless)
Peak-to-Peak Noise ≤±0.5%
Voltage Regulation Accuracy ≤±0.5%
Current Regulation Accuracy ≤±1%
Current Sharing ≤±5%
Efficiency ≥93% (100% Load); ≥93.5% (50% Load)
Short Circuit Limit current, auto-recovery.
Over-current Internal shutdown, auto-recovery.
Over-voltage Shutdown and lock, manual reset/re-power required.

AC Input

Item

Specification

AC Input

Rated Input Voltage 220VAC / 220VDC; 110VAC / 110VDC (Half load)
Input Voltage Range

AC: 176 - 300VAC (Full load); 85 - 176VAC (Derating)

DC: 176 - 420VDC (Full load); 85 - 176VDC (Derating)

Input Current <25A

Frequency

45Hz~65Hz

Power Factor (PF)

≥0.99

Total Harmonic Distortion (THD)

≤5%
Input Startup Voltage ≥85VAC or 85VDC
Input Sampling Accuracy ±5VAC or VDC
OVP/UVP

AC: Shutdown >300VAC, <80VAC; Recovery 285VAC / 95VAC, Accuracy: ±5Vac

DC: Shutdown >420VDC, <80VDC; Recovery 405VDC / 95VDC, Accuracy: ±5Vac

Input Protection

Fuses; Surge Protection Circuit (SPD)

Operating Environment

Item

Specification

Operating Environment

Coolant Temperature

-40℃45℃(Normal); 45℃~75℃(Derating)

Storage Temperature

-40℃75℃

Relative Humidity

095%

Altitude

Full load output below 2000m

Other Parameters

Item

Specification

Reliability & Compliance

Dielectric Strength

Input to Chassis: 3535VDC/1min (50Hz equivalent)

Input to Output: 4242VDC/1min (50Hz equivalent)

MTBF

120,000 Hours

Communication

Communication Interface

CAN

Max. Units in Parallel

60 units

Output anti-backflow diode failure isolation;  Integrated output discharge: < 48V within 1s.

Expand all parameters
General

Item

Specification

General

Model

EVR800-3500

Rated Output Power 3.5kW

Weight

2kg

Dimensions

125mm (W) × 41mm (H) × 303mm (D)

DC Output
Item Specification
DC Output  Rated Output Current 5A 
Output Voltage Range 200~810VDC
Current Limiting Range 10%~110% (Stepless)
Peak-to-Peak Noise ≤±0.5%
Voltage Regulation Accuracy ≤±0.5%
Current Regulation Accuracy ≤±1%
Current Sharing ≤±5%
Efficiency ≥93% (100% Load); ≥93.5% (50% Load)
Short Circuit Limit current, auto-recovery.
Over-current Internal shutdown, auto-recovery.
Over-voltage Shutdown and lock, manual reset/re-power required.

AC Input

Item

Specification

AC Input

Rated Input Voltage 220VAC / 220VDC; 110VAC / 110VDC (Half load)
Input Voltage Range

AC: 176 - 300VAC (Full load); 85 - 176VAC (Derating)

DC: 176 - 420VDC (Full load); 85 - 176VDC (Derating)

Input Current <25A

Frequency

45Hz~65Hz

Power Factor (PF)

≥0.99

Total Harmonic Distortion (THD)

≤5%
Input Startup Voltage ≥85VAC or 85VDC
Input Sampling Accuracy ±5VAC or VDC
OVP/UVP

AC: Shutdown >300VAC, <80VAC; Recovery 285VAC / 95VAC, Accuracy: ±5Vac

DC: Shutdown >420VDC, <80VDC; Recovery 405VDC / 95VDC, Accuracy: ±5Vac

Input Protection

Fuses; Surge Protection Circuit (SPD)

Operating Environment

Item

Specification

Operating Environment

Coolant Temperature

-40℃45℃(Normal); 45℃~75℃(Derating)

Storage Temperature

-40℃75℃

Relative Humidity

095%

Altitude

Full load output below 2000m

Other Parameters

Item

Specification

Reliability & Compliance

Dielectric Strength

Input to Chassis: 3535VDC/1min (50Hz equivalent)

Input to Output: 4242VDC/1min (50Hz equivalent)

MTBF

120,000 Hours

Communication

Communication Interface

CAN

Max. Units in Parallel

60 units

Output anti-backflow diode failure isolation;  Integrated output discharge: < 48V within 1s.

Expand all parameters

Application Scenarios

Portable Charging Station
Mobile Charging
On-Board Charging

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