061B100966, Danfoss, Block-type differential pressure switch, MBC 5100 series, SPDT, IP65 enclosure, 1-6 bar, low pressure diaphragm (.5 - 25 bar), .5A at 250V (AC 15) or 12W at 125V (DC 13), Pg 11 plug (DIN 43650 A), G 1/4 female with flange connection. MBC 5100-2231-1DB04 MBC pressure switches are used in marine applications where space and reliability are the most important features. MBCs are compact pressure switches, designed according to our new block design to survive in the harsh conditions known from machine rooms onboard ships.MBCs have high vibration resistance and feature all commonly marine approvals. The fixed, but low differential guarantees accurate monitoring of critical pressures.