Datasheet > G3J-205BLDC12-24

G3J-205BLDC12-24

更新时间： 2025-07-20 19:10:35

品牌	Logo	应用领域
欧姆龙 - OMRON		/
页数	文件大小	规格书
12页	594K
描述
负载电流(mA):4.8 A;触头类型:SPST-NO（1 Form A）;输出类型:AC;

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中文翻译

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数据手册

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G3J-205BLDC12-24 数据手册

I Output Circuit

AC ON/OFF SSR Output Noise Surges

If there is a large voltage surge in the AC current being used by the

SSR, the C/R snubber circuit built into the SSR between the SSR

load terminals will not be sufficient to suppress the surge, and the

SSR transient peak element voltage will be exceeded, causing over-

voltage damage to the SSR.

Only the following models have a built-in surge absorbing varistor:

G3NA, G3S, G3PA, G3NE, G3NH, G3DZ (some models), G3RZ, and

G3FM. When switching an inductive load with any other models, be

sure to take countermeasures against surge, such as adding a surge

absorbing element.

In the following example, a surge voltage absorbing element has

been added.

(Reference)

1. Selecting a Diode

Varistor

Withstand voltage = V_RM≥ Power supply voltage × 2

Forward current = I_F≥ load current

2. Selecting a Zener Diode

Load

Zener voltage =

Vz < SSR withstand voltage – (Power supply voltage + 2 V)

Zener surge power =

Varistor

P_RSM> Vz × Load current × Safety factor (2 to 3)

Note: When the Zener voltage is increased (Vz), the Zener diode ca-

pacity (P_RSM) is also increased.

Select an element which meets the conditions in the following table

as the surge absorbing element.

I Application Circuit Examples

Voltage

10 to 120 VAC

200 to 240 VAC

380 to 480 VAC

Varistor voltage

240 to 270 V

Surge resistance

1,000 A min.

Connection to Sensors

The SSR connects directly to a Proximity Sensor or Photoelectric

Sensor.

440 to 470 V

820 to 1,000 V

DC ON/OFF SSR Output Noise Surges

(Brown)

When an L load, such as a solenoid or electromagnetic valve, is con-

nected, connect a diode that prevents counter-electromotive force. If

the counter-electromotive force exceeds the withstand voltage of the

SSR output element, it could result in damage to the SSR output ele-

ment. To prevent this, insert the element parallel to the load, as

shown in the following diagram and table.

(Black)

Sensor

(Blue)

Sensors: TL-X Proximity Sensor

E3S Photoelectric Sensor

Switching Control of Incandescent

Lamps

Load

As an absorption element, the diode is the most effective at sup-

pressing the counter-electromotive force. The release time for the

solenoid or electromagnetic valve will, however, increase. Be sure to

check the circuit before use. To shorten the time, connect a Zener

diode and a regular diode in series. The release time will be short-

ened at the same rate that the Zener voltage (Vz) of the Zener diode

is increased.

Incandes-

cent lamp

Input

signal

source

Temperature Control of Electric

Furnaces

Absorption Element Example

Absorption

element

Diode

Diode +

Zener diode

Varistor

Load

heater

Input signal

source and

Temperature

Controller

INPUT

Effective-

ness

Solid State Relays Technical Information

831

1 2 345 6 7...12

中文翻译

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与G3J-205BLDC12-24相关器件

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G3J-211BLDC12-24	OMRON	获取价格	负载电流(mA):11.1 A;触头类型:SPST-NO（1 Form A）;输出类型:A
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G3J-T-C	OMRON	获取价格	Solid State Contactor for 3-phase Motors with Built-in Soft Start/Stop and Monitor Output
G3J-T205BL	OMRON	获取价格	Soft-start/stop Function Starts and Stops Three-phase Motors Smoothly and Economically
G3J-T205BL-C	OMRON	获取价格	Solid State Contactor for 3-phase Motors with Built-in Soft Start/Stop and Monitor Output

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