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Datasheet generated 2026-10-07
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Danfoss MBC 5100-5651-1CB04 heavy-duty block-type pressure switch, 40 bar to 400 bar, SPDT, G1/4, Pg 11 plug

Danfoss · Sensors & Instrumentation · Pressure Switches · Denmark · danfoss.com
Part Number
061B510266  ·  HS 9026.20
Danfoss MBC 5100-5651-1CB04 heavy-duty block-type pressure switch, 40 bar to 400 bar, SPDT, G1/4, Pg 11 plug

Danfoss MBC 5100-5651-1CB04 heavy-duty block-type pressure switch, genuine OEM code number 061B510266. Single-pressure switch from the Danfoss MBC block system for demanding industrial and marine environments — engine, compressor and pump supervision, hydraulic power units, lube-oil and cooling-water pressure monitoring. Piston (stainless steel) sensing element, regulation range 40 bar to 400 bar with 20 bar to 50 bar differential at the min/max setting. SPDT single-pole changeover contact. G 1/4 in female (ISO 228-1) pressure connection; DIN 43650-A / EN 175301-803-A plug, Pg 11. Anodized aluminium housing, IP65 enclosure, ambient -40 °C to 85 °C. Max. working pressure 600 bar (8700 psig), burst 1200 bar. EAN 5702423212767.

Technical Specifications

BrandDanfoss
Part number (code number)061B510266
Type designationMBC 5100-5651-1CB04
ProductMBC 5100 heavy-duty block-type pressure switch
CategorySensors & Instrumentation — Pressure Switches
Sensing elementPiston
Regulation (setting) range40 bar to 400 bar
Differential at min/max setting20 bar to 50 bar
Resetfixed differential (see datasheet)
Contact systemSPDT (single-pole changeover)
Contact ratingAC15=0.5 A, 250 V DC13=12 W, 125 V
Pressure connectionG 1/4 in female (ISO 228-1)
Electrical connectionDIN 43650-A / EN 175301-803-A plug, Pg 11
Max. working pressure600 bar (8700 psig)
Max. test pressure600 bar
Burst pressure1200 bar
Enclosure ratingIP65 (EN 60529)
Ambient temperature-40 °C to 85 °C
Housinganodized AlMgSi1 (AW-6082T6) aluminium; plug fixture glass-filled PA 6.6
Wetted sensing elementstainless steel piston sensor
EAN5702423212767
HS code9026.20

Properties

MaterialStainless steel piston sensor; anodized AlMgSi1 aluminium housing; IP65 enclosure
Pressure ratingmax. working pressure 600 bar (8700 psig); test 600 bar; burst 1200 bar
Temperature range-40 °C to 85 °C ambient
IP ratingIP65
Standard sizeG 1/4 in female (ISO 228-1)
Thread standardG 1/4 in female (ISO 228-1)
MOQ1

Compatibility

MBC 5100 is part of the Danfoss MBC block system; the plain (C-type) pressure connection is the standard direct connection. Piston (stainless steel) element suits media compatible with stainless steel (air, neutral gases, oil, water). Distinct from other MBC codes by range × sensing element × pressure connection × plug entry — verify the full type designation MBC 5100-5651-1CB04.

Standards

Approvals

Attached Documents