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MIX-5251RB Heat detector



Product Description

Mircom’s low profile addressable plug-in smoke and heat detectors with integral communications provide features that surpass conventional detectors. Sensitivity is continuously monitored and reported to the panel where the desired detector sensitivity can be programmed. Point ID capability allows each detector’s address to be set with decade address switches, providing exact detector locations for selective maintenance when chamber contamination reaches an unacceptable level.

Model MIX-5251RB provides both 135°F fixed and rate-of-rise thermal detection. These thermal detectors provide cost effective, intelligent property protection in a variety of applications.

Additional information

Features and Benefits

• Sleek, low profile design
• Detectors are equipped with a built-in analog communications module
• Smoke detectors are available with photoelectric or ionization technology
• Photoelectric detectors are available with additional fixed temperature detection
• Heat detectors are available as fixed temperature or fixed temperature with rate-of-rise detection
• Dual LEDs indicate communications and activate steady when in alarm
• Low profile base provides easy interchangeability
• Low standby current
• Rotary address switches
• Magnetic test feature
• Superior EMI protection
• Sealed against dirt, insects, and back pressure
Voltage Range
15 – 32 volts DC peak
Standby Current
300 uA@ 24 VDC (one communication every 5 sec. with LED enabled)
Photo/Photo with Thermal:
300 uA@ 24 VDC (one communication every 5 sec. with LED enabled)
LED Current (max.)
6.5 mA@ 24 voe (on)
2.0 inches (51 mm)
6.1 inches (155 mm) installed in 821OLP Base
4.1 inches (104 mm) installed in 8501 Base
Shipping Weight
Heat: 4.8 oz. (136 g)
Photo/Photo with Heat: 5.2 oz. (147 g) Ion: 5.4 oz. (153 g)
Operating Humidity Range
10°/o – 93°/o noncondensing
Thermal Ratings
Fixed Temperature Setpoint: 135°F (57°C) Rate of Rise Detection: 15°F/min. (8.3°C/min.)
High Temperature: 190°F (88°C)
Operating Temperature Range
Ion/Photo:32°F to 120°F (0°C to 49°C)
Photo with Thermal: 32°F to 100°F(0°C to 38°C) Thermal: -4°F to 100°F (-20°C to 38°C)
High Temperature: -4°F to 150°F (-20°C to 66°C)
UL Listed Velocity Range
Ion: 0 -1200 fpm (0 – 6.1 m/sec)
Photo/Photowith Thermal: 0 – 4000 fpm (0 – 20 m/sec)
(suitable for installation in ducts)