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Pressure Switch Infographic

Pressure Switches

Operating
Pressure Range

Sealed?

Max Amperage

Fitting Size

Number of Leads

PS-105R

85-105

Yes

Built-In 40 Amp Relay

1/8"

4

PS-120R

90-120

Yes

Built-In 40 Amp Relay

1/8"

4

PS-150R

110-150

Yes

Built-In 40 Amp Relay

1/8"

4

PS-200R

165-200

Yes

Built-In 40 Amp Relay

1/8"

4

PS-105

85-105

No

30 Amps

1/8"

2

PS-120

90-120

No

30 Amps

1/8"

2

PS-150

110-150

No

30 Amps

1/8"

2

PS-175

145-175

No

30 Amps

1/8"

2

PS-200

165-200

No

30 Amps

1/8"

2

PS-105S

85-105

Yes

30 Amps

1/8"

2

PS-120S

90-120

Yes

30 Amps

1/8"

2

PS-145S

110-145

Yes

30 Amps

1/8"

2

PS-175S-20

145-175

Yes

20 Amps

1/8"

2

PS-175S

145-175

Yes

30 Amps

1/8"

2

PS-200S

165-200

Yes

30 Amps

1/8"

2

Pressure Switches

Operating
Pressure Range

Sealed?

Max Amperage

Fitting Size

Number of Leads

PS-105R

85-105

Yes

Built-In 40 Amp Relay

1/8"

4

PS-120R

90-120

Yes

Built-In 40 Amp Relay

1/8"

4

PS-150R

110-150

Yes

Built-In 40 Amp Relay

1/8"

4

PS-200R

165-200

Yes

Built-In 40 Amp Relay

1/8"

4

PS-105

85-105

No

30 Amps

1/8"

2

PS-120

90-120

No

30 Amps

1/8"

2

PS-150

110-150

No

30 Amps

1/8"

2

PS-175

145-175

No

30 Amps

1/8"

2

PS-200

165-200

No

30 Amps

1/8"

2

PS-105S

85-105

Yes

30 Amps

1/8"

2

PS-120S

90-120

Yes

30 Amps

1/8"

2

PS-145S

110-145

Yes

30 Amps

1/8"

2

PS-175S-20

145-175

Yes

20 Amps

1/8"

2

PS-175S

145-175

Yes

30 Amps

1/8"

2

PS-200S

165-200

Yes

30 Amps

1/8"

2

Pressure Switches

Operating
Pressure Range

Sealed?

Max Amperage

Fitting Size

Number of Leads

PS-105R

85-105

Yes

Built-In 40 Amp Relay

1/8"

4

PS-120R

90-120

Yes

Built-In 40 Amp Relay

1/8"

4

PS-150R

110-150

Yes

Built-In 40 Amp Relay

1/8"

4

PS-200R

165-200

Yes

Built-In 40 Amp Relay

1/8"

4

PS-105

85-105

No

30 Amps

1/8"

2

PS-120

90-120

No

30 Amps

1/8"

2

PS-150

110-150

No

30 Amps

1/8"

2

PS-175

145-175

No

30 Amps

1/8"

2

PS-200

165-200

No

30 Amps

1/8"

2

PS-105S

85-105

Yes

30 Amps

1/8"

2

PS-120S

90-120

Yes

30 Amps

1/8"

2

PS-145S

110-145

Yes

30 Amps

1/8"

2

PS-175S-20

145-175

Yes

20 Amps

1/8"

2

PS-175S

145-175

Yes

30 Amps

1/8"

2

PS-200S

165-200

Yes

30 Amps

1/8"

2

Pressure Switches

Operating
Pressure Range

Sealed?

Max Amperage

Fitting Size

Number of Leads

PS-105R

85-105

Yes

Built-In 40 Amp Relay

1/8"

4

PS-120R

90-120

Yes

Built-In 40 Amp Relay

1/8"

4

PS-150R

110-150

Yes

Built-In 40 Amp Relay

1/8"

4

PS-200R

165-200

Yes

Built-In 40 Amp Relay

1/8"

4

PS-105

85-105

No

30 Amps

1/8"

2

PS-120

90-120

No

30 Amps

1/8"

2

PS-150

110-150

No

30 Amps

1/8"

2

PS-175

145-175

No

30 Amps

1/8"

2

PS-200

165-200

No

30 Amps

1/8"

2

PS-105S

85-105

Yes

30 Amps

1/8"

2

PS-120S

90-120

Yes

30 Amps

1/8"

2

PS-145S

110-145

Yes

30 Amps

1/8"

2

PS-175S-20

145-175

Yes

20 Amps

1/8"

2

PS-175S

145-175

Yes

30 Amps

1/8"

2

PS-200S

165-200

Yes

30 Amps

1/8"

2