Apollo Series 65 Conventional Heat Detector
Summary
The Apollo Series 65 Heat Detectors provide reliable temperature monitoring for fire detection applications where smoke detectors may be unsuitable. These detectors utilise advanced thermistor technology to accurately monitor ambient temperature changes and provide early warning of potential fire hazards.
Available in multiple variants (A1R, BR, CR, and CS), the Series 65 range offers flexible solutions for different environmental conditions, with operating temperatures ranging from -20°C to +80°C depending on the model. The detectors feature a robust white polycarbonate construction with IP54 rating and are certified to multiple international standards including CPR, LPCB, VdS, and VNIIPO.
Designed for two-wire monitored supply systems, these detectors are polarity insensitive and feature a wide operating voltage range of 9V to 33V. The Series 65 is ideal for environments that are dirty or smoky under normal circumstances, making them perfect for industrial facilities, kitchens, warehouses, and other challenging locations where traditional smoke detectors would generate false alarms.
Choosing a Heat Detector
- Are temperatures in excess of 65 °C likely in normal operation?
- Yes →
- Are sudden increases in heat likely in normal operation?
- Yes → USE CS
- No → USE CR
- Are sudden increases in heat likely in normal operation?
- No →
- Does the room have a maximum temperature greater than 50 °C?
- Yes →
- Are sudden increases in heat likely in normal operation?
- Yes → USE BS
- No → USE BR
- Are sudden increases in heat likely in normal operation?
- No →
- Are sudden increases in heat likely in normal operation?
- Yes →
- Is the detector likely to be at or below freezing in normal operation?
- Yes → USE A1S
- No → USE A2S
- Is the detector likely to be at or below freezing in normal operation?
- No → USE A1R
- Yes →
- Are sudden increases in heat likely in normal operation?
- Yes →
- Does the room have a maximum temperature greater than 50 °C?
- Yes →
Maximum application temperature
| Detector type | Max. application temperature |
|---|---|
| A1R, A1S, A2S | 50 °C |
| BR, BS | 65 °C |
| CR, CS | 80 °C |
Features
- Ideal for environments that are dirty or smoky under normal circumstances
- Can be used for applications where smoke detectors are unsuitable
- Wide operating voltage range of 9V to 33V
- Two wire monitored supply, polarity insensitive
- Available in standard and flashing LED versions
- Multiple temperature class options: A1R (-20°C to +50°C), BR (-20°C to +65°C), CS/CR (-20°C to +80°C)
- Dual thermistor network with rate of rise detection (A1R, BR, CR variants)
- Single thermistor network option for static temperature monitoring (CS variants)
- Red LED alarm indicator
- Remote indicator connection capability
- IP54 rated protection
- Compact dimensions: 100mm diameter x 42mm height
- Lightweight at just 80g
- Moulded self-extinguishing white polycarbonate case
- Certified to CPR, LPCB, VdS, VNIIPO, SBSC, FG, and BOMBA standards
- EMC Directive 2014/30/EU compliant
- Construction Products Regulation 305/2011/EU compliant
FAQ
What is the difference between the A1R, BR, CR, and CS variants?
The variants differ in their maximum operating temperatures and detection methods. A1R is suitable for temperatures up to 50°C, BR up to 65°C, and CR/CS up to 80°C. The A1R, BR, and CR models use dual thermistor networks with rate of rise detection, whilst CS variants use a single thermistor for static temperature monitoring.
Can these detectors be used in dusty or smoky environments?
Yes, the Series 65 Heat Detectors are specifically designed for environments that are dirty or smoky under normal circumstances, where smoke detectors would be unsuitable and may cause false alarms.
What voltage range do the detectors operate on?
The Series 65 Heat Detectors have a wide operating voltage range of 9V to 33V DC, making them compatible with most fire alarm control panels.
How does the rate of rise detection work?
In A1R, BR, and CR variants, a pair of matched negative temperature coefficient thermistors are used, with one exposed to ambient air and one thermally insulated. When temperature increases rapidly, the resistance ratio changes and triggers an alarm if it exceeds the factory preset level.
Are remote indicators supported?
Yes, the detectors include a remote indicator connection that acts as a current sink to the negative line, limited to 17mA, allowing external alarm indication.
What certifications do these detectors hold?
The Series 65 Heat Detectors are certified to multiple international standards including CPR, LPCB, VdS, VNIIPO, SBSC, FG, and BOMBA. They also comply with EMC Directive 2014/30/EU and Construction Products Regulation 305/2011/EU.
What is the IP rating of these detectors?
The Series 65 Heat Detectors are designed to IP54, providing protection against dust and water splashes from any direction.
Specifications
Specifications are given at 23°C and 50% relative humidity unless stated otherwise.
- Supply Wiring : 2 wire monitored supply, polarity insensitive
- Supply Voltage : 9 to 33V
- Ripple Voltage : 2V peak to peak maximum at 0.1Hz to 100kHz
- Quiescent Current : 45μA at 24V, 40μA at 9V
- Switch-on Surge Current : as per Quiescent Current
- Alarm Voltage : 6 to 28V
- Alarm Current : 52mA at 24V, 17mA at 9V
- Alarm Indicator : Red LED
- Design Alarm Load : 420Ω in series with a 2V drop
- Holding Voltage : 6V
- Holding Current : 10mA
- Min. Voltage Required To Light Alarm Indicator : 12V
- Remote Output Characteristics : Remote is a current sink to the negative line limited to 17mA
- Storage Temperature Range : -30°C to +120°C
- Operating Temperature : -20°C to +90°C (no icing)
- Humidity : 0% to 95% relative humidity
- Atmospheric Pressure : Unaffected
- IP Rating : 23D in accordance with BS EN 60529
- Dimensions : 100 x 42 mm ( 100 x 50 mm in base)
- Weight : 80g (131g in base)
- Materials : White polycarbonate detector housing rated V-0 in accordance with UL 94, nickel-plated stainless steel terminals
Downloads
- Datasheet (Adobe PDF)
