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Lead Contents

Solid State Relays

No-contact relays that semiconductor is utilized, which enables high-speed and high-frequency operation. OMRON provides Solid-state Relay for enormous range of applications.

Overview Features
Principles Classifications
Engineering Data Further Information

Related Contents

Primary Contents

SSR Internal Circuit Configuration Examples

Load
specifications
Zero
cross
function
IsolationCircuit configurationModel
AC loadYes *1Photo-
coupler
G3H
G3B
G3F
G3NA (AC input)
NoPhototriac
G3NE
G3J
G3F
G3H
G3TA-OA
Yes *1Phototriac
G3PA-VD
G3PE (single phase)
G3NA (DC input)
G3NE
Yes *1Phototriac
G3PE-2(N) (three
phases) *2
Yes *1Phototriac
G3PE-3(N) (three
phases) *2
Yes *1Photo-
coupler
G3NA-4[][]B
G3PH
G3PA-4[][]B
DC load---Photo-
coupler
G3FD, G3HD-X03
G3BD
G3TA-OD
G3NA-D
Photo-
diode
coupler
G3HD-202SN
AC/DC loadNoPhoto-
diode
coupler
G3FM

Note:

1.The zero cross function turns ON the SSR when the AC load voltage is 0 V or close to 0 V. SSRs with the zero cross function are effective in the following ways.
・ Clicking noise when a load is turned ON is reduced.
・ Effects on the power supply are reduced by suppressing inrush current with loads, such as lamps, heaters, and motors, thereby reducing inrush current protection circuits.

2. For 200-V models, use a triac on the output switching elements.

The_Zero_Cross_Function_diagram