BM45 | Diaphragm Pressure Switch

The BM45 provides simple, low-cost point level control with proven, lasting reliability. Diaphragm Pressure Switch is designed for use in bins containing non-hazardous, free-flowing dry materials, the BM45 operates by sensing material pressing against the diaphragm switch. When the switch is pressed, it activates a sensitive micro-switch that can be wired to an alarm to start or stop a process or alert to high, medium or low levels in bins. The BM45 is offered in six different models including standard, heavy-duty neoprene, or heavy-duty silicone diaphragm material and either internal or external mounting options.

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Switch Ratings: 15 Amps @125, 250 or 480 VAC, 1/8 HP @ 125 VAC, ¼ HP @ 250 VAC, 1/2 Amp @ 125 VDC, 1/4 Amp @ 250 VDC

Operating Temp: -40°F to +300°F (-40°C to +149°C)

Housing Enclosure: Die cast aluminum

Mounting: Internal or external, 16 gauge galvanized mounting plate

• Rugged construction and simple design
• Die-cast aluminum housing
• Very economical point level detection
• Neoprene or silicone diaphragm material
• Internal or external mount
• Multiple voltages

• Reliable point level detection for free flowing dry materials
• Used in bins, vessels and some plugged chute applications
• Material density from 20 lb./cu. ft.
• Feed, seed, grain, food, rubber, plastics, light powders, granules, and many other materials