Danfoss MBC pressure switches are used in industrial and marine applications where space and reliability are the most important features. MBCs are compact pressure switches, designed according to our block design to survive in the harsh conditions known from machine rooms onboard ships.
MBCs have high vibration resistance and MBC 5100 Pressure Switch features all common marine approvals. The fixed, but low differential guarantees accurate monitoring of critical pressures. MBV test valves can be delivered as standard option for MBC.
Features
- Designed for use in severe industrial, environments,
- High vibration stability
- Part of the Danfoss block system, consisting of MBC pressure controls, MBS pressure transmitters and MBV test valves
- MBC 5100 with all major ship approvals,
- High repeatability,
- Optimal compact design for machine building purposes
- Intended for alarm indication, shut down, control and diagnostics in many applications – motors, gears, thrusters, pumps, filters, compressors
Approvals
- EN 60947-1
- EN 60947-4-1
- EN 60947-5-1
- China Compulsory Certificate, CCC
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Specifications
Technical Data
Performance
| Repeatability | Bellows versions | ± 0.2 % FS (typ.) |
| ± 0.5 % FS (max.) | ||
| Diaphragm versions | ± 0.5 % FS (typ.) | |
| ± 1.0 % FS (max.) | ||
| Piston versions | ± 1.0 % FS (typ.) | |
| ± 1.0 % FS (max.) | ||
| Max. switch frequency | 10/min (0.16 Hz) | |
| Differential | See page 4 | |
| Permissible operating pressure | See page 4 | |
| Burst pressure | See page 4 | |
| Life time | Mechanical for diaphragm and bellows Mechanical for piston type | > 400,000 cycles |
| Electrical at max. contact load | >1 million cycles | |
| > 100,000 cycles | ||
Electrical specifications
| Switch | SPDT | |
| Contact load | AC 15 | 0.5 A, 250 V |
| DC 13 | 12 W, 125 V |
Environmental conditions
| Temperature | Operation | Bellows versions | -40 – 85 °C |
| Diaphragm versions | -10 – 85 °C | ||
| Piston versions | -40 – 85 °C | ||
| Bellows versions | -50 – 85 °C | ||
| Transport | Diaphragm versions | -50 – 85 °C | |
| Piston versions | -40 – 85 °C | ||
| Enclosure | IP65, EN 60529 | ||
| Vibration stability | Sinusoidal | 20 g, 25 – 2 kHz | EN 60068-2-6 |
| Piston type 4.4 g, 25 – 200 Hz | IEC 60068-2-27 | ||
Mechanical characteristics
| Pressure connection | Standard | G 1/4 female (ISO 228-1) or flange |
| Option | See specification form, page 4 | |
| Electrical connection | Plug | DIN 43650, Pg 9 / Pg 11 / Pg 13.5 |
| Wetted parts material | Housing |
Anodized AIMgSi1, AW-6082T6 |
| Stainless steel 1.4306 (18/8), acc. to EN10088-3 | ||
| Bellows | Stainless steel 1.4306 (18/8), acc. to EN10088-2 | |
| Diaphragm | FKM | |
| Piston | Stainless steel 1.4028 (3H13), acc. to EN10088-2 | |
| O-ring | NBR | |
| Hole plug (flange version) | Nickel plated brass or zinc plated steel | |
| Seal (piston version) | Turcon T05 | |
| Enclosure material | Housing | Anodized AIMgSi1, AW-6082T6 |
| Plug fixture | Glass filled polyamid, PA 6.6 | |
| Contact system | Silver (AG) microprofile | |
| Net weight | 0.25 kg | |
Download Datasheet : Danfoss MBC 5000 and MBC 5100 Heavy Duty Pressure Switch
Reference : danfoss.com