The Ceasefire SM-RM4307 is a UL listed SPDT pressure switch for Ceasefire automatic extinguishers, such as the M-Series units and the Mini Pro. Fitted to the extinguisher's pressure port, it turns a drop in cylinder pressure into an electrical signal for a control panel or other third-party device, so the unit becomes monitorable and its readiness can always be checked. The switch point is 5 bar (72.5 PSIG) on decreasing pressure, with normally closed and normally open contacts.
Key features
- SPDT switch with NC and NO contacts
- Switch point 5 bar (72.5 PSIG) on decreasing pressure
- Makes Ceasefire automatic extinguishers monitorable
- M10 brass fitting with deflator
- UL, RoHS and CE certified
Technical specifications
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Product code: SM-RM4307
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Contacts: SPDT, NC and NO
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Increasing activation: 130 PSIG ±9 PSIG (9 bar)
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Decreasing activation: 72.5 PSIG ±7 PSIG (5 bar)
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Maximum pressure: 290 PSIG
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Fitting: M10 with deflator, brass
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Body material: Plastic
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Electrical rating: 3A 240V AC / 28V DC
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Wire insulation: PVC
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O-ring: NBR-70 Shore, 7.8 x 1.9mm (provided with switch)
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Certification: UL, RoHS, CE
