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G4 I/O Family

Opto 22 G4 I/O Family offers I/O modules with an LED status indicator on the top of the module and a more compact footprint than the previous G1 I/O modules. The G4 product lineup includes not only discrete and analog I/O modules but also controllers, battery packs, fuse clips, tools, and accessories. The discrete I/O modules can switch up to 3A per channel, and each module is individually fused. The analog I/O modules provide complete electrical channel-to-channel isolation, which eliminates troublesome ground loop problems. The Opto 22 G4 products are guaranteed for life and are suitable for new installations, legacy Optomux and mistic systems, Raspberry Pi, and more.

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Part #

Terminal Block Tools & Accessories G4 16-Position Strap for Single Rack, Red (10-Pack)

G4STRAPB
Opto 22
1: ₹11,599.05
5In Stock

Mfr. Part No.
G4STRAPB

Mouser Part No
94-G4STRAPB

Opto 22

Terminal Block Tools & Accessories G4 16-Position Strap for Single Rack, Red (10-Pack)

Datasheet

5In Stock

₹11,599.05

₹9,859.38

₹8,619.15

Min.: 1
Mult.: 1

I/O Modules G4 AC Input 90-140 VAC/VDC, 24 VDC Logic

G4IAC24
Opto 22
1: ₹3,346.09
45In Stock

Mfr. Part No.
G4IAC24

Mouser Part No
94-G4IAC24

Opto 22

I/O Modules G4 AC Input 90-140 VAC/VDC, 24 VDC Logic

Datasheet

45In Stock

₹3,346.09

₹2,843.85

₹2,841.99

₹2,670.54

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Min.: 1
Mult.: 1

I/O Modules G4 AC Input 90-140 VAC/VDC, 5VDC Logic, with Manual/Auto Switch

G4IAC5MA
Opto 22
1: ₹6,042.72
8In Stock

Mfr. Part No.
G4IAC5MA

Mouser Part No
94-G4IAC5MA

Opto 22

I/O Modules G4 AC Input 90-140 VAC/VDC, 5VDC Logic, with Manual/Auto Switch

Datasheet

8In Stock

₹6,042.72

₹5,881.52

₹5,805.11

₹5,744.55

View

Min.: 1
Mult.: 1

I/O Modules G4 AC Output 12-140 VAC, 15 VDC Logic

G4OAC15
Opto 22
1: ₹3,345.16
10In Stock

Mfr. Part No.
G4OAC15

Mouser Part No
94-G4OAC15

Opto 22

I/O Modules G4 AC Output 12-140 VAC, 15 VDC Logic

Datasheet

10In Stock

₹3,345.16

₹2,843.85

₹2,417.09

Min.: 1
Mult.: 1

I/O Modules G4 AC Output, 24-280 VAC, 5 VDC Logic, Normally Closed

G4OAC5A5
Opto 22
1: ₹4,253.67
2In Stock

Mfr. Part No.
G4OAC5A5

Mouser Part No
94-G4OAC5A5

Opto 22

I/O Modules G4 AC Output, 24-280 VAC, 5 VDC Logic, Normally Closed

Datasheet

2In Stock

₹4,253.67

₹3,755.15

₹3,710.43

₹3,616.32

₹3,192.35

Min.: 1
Mult.: 1

I/O Modules G4 DC Output 5-60 VDC, 15 VDC Logic

G4ODC15
Opto 22
1: ₹3,507.30
1In Stock

Mfr. Part No.
G4ODC15

Mouser Part No
94-G4ODC15

Opto 22

I/O Modules G4 DC Output 5-60 VDC, 15 VDC Logic

Datasheet

1In Stock

₹3,507.30

₹2,980.83

₹2,533.56

Min.: 1
Mult.: 1

I/O Modules G4 DC Output 5-60 VDC, 5 VDC Logic with Manual/Auto Switch

G4ODC5MA
Opto 22
1: ₹5,932.77
4In Stock

Mfr. Part No.
G4ODC5MA

Mouser Part No
94-G4ODC5MA

Opto 22

I/O Modules G4 DC Output 5-60 VDC, 5 VDC Logic with Manual/Auto Switch

Datasheet

4In Stock

₹5,932.77

₹5,489.23

₹5,256.28

₹5,143.54

₹4,666.45

Min.: 1
Mult.: 1

Mounting Fixings G4 PEM NUTS 100-PACK

G4-PEM-NUTS
Opto 22
1: ₹6,055.77
4In Stock

Mfr. Part No.
G4-PEM-NUTS

Mouser Part No
94-G4-PEM-NUTS

Opto 22

Mounting Fixings G4 PEM NUTS 100-PACK

Datasheet

4In Stock

₹6,055.77

₹5,663.48

₹5,451.03

₹5,254.42

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Min.: 1
Mult.: 1

I/O Modules G4 AC OUTPUT 12-280 VAC, 24 VDC LOGIC WITH HOA/SW

G4OAC24AMA
Opto 22
1: ₹6,336.24
4In Stock

Mfr. Part No.
G4OAC24AMA

Mouser Part No
94-G4OAC24AMA

Opto 22

I/O Modules G4 AC OUTPUT 12-280 VAC, 24 VDC LOGIC WITH HOA/SW

Datasheet

4In Stock

₹6,336.24

₹5,596.39

₹5,174.29

₹5,063.40

View

Min.: 1
Mult.: 1

I/O Modules G4 AC Input 180-280 VAC/VDC, 5 VDC Logic

G4IAC5A
Opto 22
1: ₹3,667.56
13Expected 11-09-2026

Mfr. Part No.
G4IAC5A

Mouser Part No
94-G4IAC5A

Opto 22

I/O Modules G4 AC Input 180-280 VAC/VDC, 5 VDC Logic

Datasheet

13Expected 11-09-2026

₹3,667.56

₹3,116.87

₹3,115.94

₹2,649.11

Min.: 1
Mult.: 1

I/O Modules G4 DC Input 4-16 VDC, 5VDC Logic High Speed

G4IDC5B
Opto 22
1: ₹3,334.91
10Expected 08-09-2026

Mfr. Part No.
G4IDC5B

Mouser Part No
94-G4IDC5B

Opto 22

I/O Modules G4 DC Input 4-16 VDC, 5VDC Logic High Speed

Datasheet

10Expected 08-09-2026

₹3,334.91

₹3,076.80

₹2,971.51

₹2,933.31

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Min.: 1
Mult.: 1

Modules Accessories G4 16-channel I/O Module Rack Isolated Control

G4PB16I
Opto 22
1: ₹21,236.65
4Expected 14-09-2026

Mfr. Part No.
G4PB16I

Mouser Part No
94-G4PB16I

Opto 22

Modules Accessories G4 16-channel I/O Module Rack Isolated Control

Datasheet

4Expected 14-09-2026

₹21,236.65

₹19,813.80

₹19,356.28

₹19,215.58

View

Min.: 1
Mult.: 1

Modules Accessories G4 24-channel I/O Module Rack

G4PB24
Opto 22
1: ₹21,448.17
3Expected 11-09-2026

Mfr. Part No.
G4PB24

Mouser Part No
94-G4PB24

Opto 22

Modules Accessories G4 24-channel I/O Module Rack

Datasheet

3Expected 11-09-2026

₹21,448.17

₹18,354.60

₹18,353.66

Min.: 1
Mult.: 1

Battery Packs REPLACEMENT PART FOR G4 CONTROLLERS

G4BATT32
Opto 22
Shipping Restricted

Mfr. Part No.
G4BATT32

Mouser Part No
94-G4BATT32

Opto 22

Battery Packs REPLACEMENT PART FOR G4 CONTROLLERS

Datasheet

Shipping Restricted

I/O Modules G4 AC Input 190-280 VAC/VDC, 24 VDC Logic

G4IAC24A
Opto 22
1: ₹3,321.87
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
G4IAC24A

Mouser Part No
94-G4IAC24A

Opto 22

I/O Modules G4 AC Input 190-280 VAC/VDC, 24 VDC Logic

Datasheet

Non-Stocked Lead-Time 4 Weeks

₹3,321.87

₹3,066.55

₹2,923.06

₹2,906.28

View

Min.: 1
Mult.: 1

I/O Modules G4 DC Output 5-200 VDC, 5 VDC Logic

G4ODC5A
Opto 22
1: ₹3,945.24
Non-Stocked Lead-Time 2 Weeks

Mfr. Part No.
G4ODC5A

Mouser Part No
94-G4ODC5A

Opto 22

I/O Modules G4 DC Output 5-200 VDC, 5 VDC Logic

Datasheet

Non-Stocked Lead-Time 2 Weeks

₹3,945.24

₹3,353.55

₹2,850.38

Min.: 1
Mult.: 1

I/O Modules G4 100 Ohm Platinum RTD Analog Input

G4AD10
Opto 22
1: ₹37,285.05
Non-Stocked

Mfr. Part No.
G4AD10

Mouser Part No
94-G4AD10

Opto 22

I/O Modules G4 100 Ohm Platinum RTD Analog Input

Datasheet

Non-Stocked

₹37,285.05

₹36,719.44

₹36,315.04

Min.: 1
Mult.: 1

I/O Modules G4 4 to 20 mA Analog Input

G4AD3
Opto 22
1: ₹42,813.41
Non-Stocked

Mfr. Part No.
G4AD3

Mouser Part No
94-G4AD3

Opto 22

I/O Modules G4 4 to 20 mA Analog Input

Datasheet

Non-Stocked

₹42,813.41

Min.: 1
Mult.: 1

I/O Modules G4 Type K Thermocouple Analog Input

G4AD8
Opto 22
1: ₹44,249.32
Non-Stocked

Mfr. Part No.
G4AD8

Mouser Part No
94-G4AD8

Opto 22

I/O Modules G4 Type K Thermocouple Analog Input

Datasheet

Non-Stocked

₹44,249.32

Min.: 1
Mult.: 1

I/O Modules G4 4-20 mA Analog Output

G4DA3
Opto 22
1: ₹40,083.24
Non-Stocked

Mfr. Part No.
G4DA3

Mouser Part No
94-G4DA3

Opto 22

I/O Modules G4 4-20 mA Analog Output

Datasheet

Non-Stocked

₹40,083.24

₹39,350.85

Min.: 1
Mult.: 1

Ethernet Development Tools Ethernet I/O Upgrade for B4 Brain

G4EB2
Opto 22
1: ₹90,146.99
Non-Stocked

Mfr. Part No.
G4EB2

Mouser Part No
94-G4EB2

Opto 22

Ethernet Development Tools Ethernet I/O Upgrade for B4 Brain

Datasheet

Non-Stocked

₹90,146.99

Min.: 1
Mult.: 1

I/O Modules G4 DC Input 10-32 VDC, 5 VDC Logic with Manual/Auto Switch

G4IDC5MA
Opto 22
1: ₹6,031.54
Non-Stocked

Mfr. Part No.
G4IDC5MA

Mouser Part No
94-G4IDC5MA

Opto 22

I/O Modules G4 DC Input 10-32 VDC, 5 VDC Logic with Manual/Auto Switch

Datasheet

Non-Stocked

₹6,031.54

₹5,823.75

₹5,696.09

₹5,583.35

View

Min.: 1
Mult.: 1

I/O Modules G4 AC Output 24-280 VAC, 15 VDC Logic

G4OAC15A
Opto 22
1: ₹3,439.27
Non-Stocked

Mfr. Part No.
G4OAC15A

Mouser Part No
94-G4OAC15A

Opto 22

I/O Modules G4 AC Output 24-280 VAC, 15 VDC Logic

Datasheet

Non-Stocked

₹3,439.27

₹3,302.30

₹3,210.98

₹3,134.58

View

Min.: 1
Mult.: 1

I/O Modules G4 AC Output 24-280 VAC, 5 VDC Logic, with manual/auto switch

G4OAC5AMA
Opto 22
1: ₹5,897.36
Non-Stocked

Mfr. Part No.
G4OAC5AMA

Mouser Part No
94-G4OAC5AMA

Opto 22

I/O Modules G4 AC Output 24-280 VAC, 5 VDC Logic, with manual/auto switch

Datasheet

Non-Stocked

₹5,897.36

₹5,037.31

₹4,890.09

View

Min.: 1
Mult.: 1

I/O Modules G4 AC Output 12-140 VAC, 5 VDC Logic with Manual/Auto Switch

G4OAC5MA
Opto 22
1: ₹6,094.90
Non-Stocked

Mfr. Part No.
G4OAC5MA

Mouser Part No
94-G4OAC5MA

Opto 22

I/O Modules G4 AC Output 12-140 VAC, 5 VDC Logic with Manual/Auto Switch

Datasheet

Non-Stocked

₹6,094.90

₹5,489.23

₹5,349.46

₹5,240.44

₹4,666.45

Min.: 1
Mult.: 1