Sensorwell
2455RA 05280007
2455A Series Heat Detection Thermostats
The 2450A Series are designed for use in both photoelectric and ionization type smoke detectors. The gold alloy contacts open or close on a temperature rise of 47 °C to 107 °C [117 °F to 225 °F]. They are epoxy sealed for long life and are available with or without heat collectors.
2455RA 05280007
Produkt Merkmale
Kenndaten
- Gold alloy contacts
- Epoxy-sealed cap
- Epoxy-sealed terminals
Anwendungsbereiche
- Fire alarms
- Smoke detectors
- Security devices
Technische Daten
Functional Properties
Close on rise
Reset Type
Automatic
Operating Temperature
47 °C to 107 °C [117 °F to 225 °F]
Amperage
3.0 A
Voltage
120 Vac
Open Temperature
32.2 °C [90 °F] min.
Open Tolerance
N/A
Close Temperature
55.8 °C [132.5 °F]
Close Tolerance
4.2 °C [7.5 °F]
Environmental Exposure Range
0 °C to 150 °C [32 °F to 302 °F]
Dielectric Strength
MIL-STD-202, Method 301; 2000 Vac 60 Hz - Terminal to Case
Insulation Resistance
MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
Contact Resistance
MIL-STD-202, Method 307; 0.050 Ohm
Housing Material
Phenolic, epoxy seal cap and terminals
Contact Material
WE -1 gold alloy cross point
Mounting
B247 1.5 in collector
Agency Approvals and Standards
UL
Comments
Heat detection
Series Name
2455RA
