©Johnstone Supply eCatalog 216

REFRIGERATION & AIR CONDITIONING Commercial Pressure Controls

Dual Pressure Controls • Suitable for R12, R22, and R502 refrigerants • SPST switch is actuated by both high and low pressure sides • Automatic reset on low side

• 120/240VAC — 24 FLA; 144 LRA; maximum resistive load 24A; maximum pilot duty 720VA • B11-573 and B11-574 have convertible manual/automatic reset feature on the high side

Each

Order # Mfg. #

Cut-In PSI

Cutout PSI 100 to 250 150 to 450 150 to 450 150 to 450 150 to 450

Pressure Range PSIG

Diff. PSIG 50 Fixed 70 Fixed 70 Fixed 70 Fixed

Conn. Size

B10-557

O12-1506 12" to 50

5 to 35

36" Cap. w/ Flare Nut 36" Cap. w/ Flare Nut 48" Cap. w/ Flare Nut 48" Cap. w/ Flare Nut 36" Cap. w/ Flare Nut

585.00 485.00 555.00 459.00 559.00

B10-565 O12-1549 10" to 100

Up to 100 Low; 450 High 70 Fixed

B11-573 B11-574 B14-262

O12-4833 12" to 50 O12-4834 10" to 100 O12-1502 12" to 50

5 to 35 10 to 40 5 to 35

Dual Pressure Controls • For air conditioning and refrigeration applications • Fail-safe double bellows protect against leaks (high pressure) • Visible snap action contacts with manual trip “Finger Tip Test” for contact operation • Wide screen with large readable scale • Adjustable by standard refrigeration wrench • Suitable for most refrigeratants

• 120/240VAC — 24 FLA; 144 LRA; maximum resistance load 24A; maximum pilot duty 720VA • B14-750 and B14-751 feature convertible manual/automatic reset operations and fail safe bellows Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Switch Action Pressure Range PSIG SPST 10 to 60 and 100 to 465 SPST 10 to 60 and 100 to 465

Diff. PSIG Conn. Size

Low Range PSIG}

Low Pressure Diff. PSIG

High Range PSIG

Fitting Size

Capillary Length

Each

Order #

Mfg. #

Application Reset Type

Length

B14-746

060-5247 Dual Pressure Auto

60 1/4" Male Flare Conn. 60 36" Cap. w/ Flare Nut 60 1/4" Male Flare Conn. 60 36" Cap. w/ Flare Nut 60 1/4" Male Flare Conn. 60 36" Cap. w/ Flare Nut

6" to 108 10 to 60 100 to 465 — 1/4" Flare

345.00

B14-747

060-5248 Dual Pressure Auto

6" to 108 10 to 60 100 to 465 36"

1/4" 36"

395.00

B14-748

060-5249 Dual Pressure Auto/Manual SPST 10 to 60 and 100 to 465 060-5250 Dual Pressure Auto/Manual SPST 10 to 60 and 100 to 465 060-5253 Dual Pressure Convertible SPDT 10 to 60 and 100 to 600 060-5254 Dual Pressure Convertible SPDT 10 to 60 and 100 to 600

6" to 108 10 to 60 100 to 465 — 1/4" Flare

349.00

B14-749

6" to 108 10 to 60 100 to 465 36"

1/4" 36"

399.00

B14-750

6" to 108 10 to 60 100 to 600 — 1/4" Flare

355.00

B14-751

6" to 108 10 to 60 100 to 600 36"

1/4" 36"

409.00

Pressure Controls • Pressure Switches for use in residential air conditioning and commercial refrigeration/air conditioning applications • OEM approved design • Factory set, hermetically sealed sensor • Compact and lightweight for direct mounting • Tamper-proof construction • RoHS compliant Specifications: • Electrical rating: 5.8FLA@115VAC ; 2.9FLA@230VAC • 1/4" diameter female flare pressure port

• B18-788 and B18-789 includes capillary tube connection • B18-796 includes conduit clamp for 3/8" flexible metal conduit • B18-811 includes 1/4" male spade terminals • B18-784 , B18-811 , B18-792 and B18-791 are compatible with R410A • B18-805 and B18-801 include SPDT switch with heavy duty electrical contacts (high current capacity) Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Order #

Mfg. #

Application

Reset Type

Switch Action

Cut-In PSI

Cutout PSI

B18-775 B18-776 B18-777 B18-778 B18-779 B18-780 B18-782 B18-783 B18-784 B18-785 B18-786 B18-787 B18-788

P100AP-351C Fan Cycling P100AP-352C Fan Cycling P100AP-359C Fan Cycling P100AP-3C Fan Cycling P100AP-362C Fan Cycling P100AP-4C Fan Cycling P100AP-354C Fan Cycling P100AP-200C Fan Cycling P100AP-332C Fan Cycling P100DA-35C High Pressure P100DC-3C High Pressure P100DA-1C High Pressure P100DA-100C High Pressure

Auto Auto Auto Auto Auto Auto Auto Auto Auto

SPST, Make on Rise SPST, Make on Rise SPST, Make on Rise SPST, Make on Rise SPST, Make on Rise SPST, Make on Rise SPST, Make on Rise SPST, Make on Rise SPST, Make on Rise

120 170 215 225 240 250 275 275 400

75

65.00 65.00 59.00 65.00 59.00 69.00 65.00 65.00 65.00

110 165 150 195 170 210 195 300 350 375 410 415

Manual Manual Manual Manual

SPST, N.C., Lockout High Manual SPST, N.C., Lockout High Manual SPST, N.C., Lockout High Manual SPST, N.C., Lockout High Manual

109.00 115.00

95.00

89.00 continued on next page

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