| Standard Operating Temperature | 32°F to 120°F (0°C to 49°C) |
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| Humidity Range | 10 to 93% non-condensing |
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| Strobe Flash Rate | 1 flash per second |
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| Nominal Voltage | Regulated 12 VDC or regulated 24 DC/FWR1 |
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| Operating Voltage Range2 | 8 to 17.5 V (12 V nominal) or 16 to 33 V (24 V nominal) |
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| Operating Voltage Range (MDL3) | 8.5 to 17.5V (12 V nominal) or 16.5 to 33 V (24V nominal) |
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| Input Terminal Wire Gauge | 12 to 18 AWG |
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| Ceiling-Mount Dimensions (including lens) | 6.8" diameter × 2.5" high (173 mm diameter × 64 mm high) Ceiling-Mount Surface Mount Back Box Skirt Dimensions 6.9" diameter x 3.4" high (175 mm diameter x 86 mm high) (SBBCRL, SBBCWL) Notes: 1. Full Wave Rectified (FWR) voltage is a non-regulated, time-varying power source that is used on some power supply and panel outputs. 2. P, S, PC, and SC products will operate at 12 V nominal only for 15 a |
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| UL Max. Strobe Current Draw (mA RMS) | UL Max. Horn Current Draw (mA RMS) 8–17.5 Volts 16–33 Volts 8–17.5 Volts 16–33 Volts |
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| Candela | DC DC FWR Sound Pattern dB DC DC FWR |
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| Range | 30 153 63 86 Temporal Low 28 32 54 75 N/A 111 142 Non-Temporal High 43 47 54 95 N/A 134 164 Non-Temporal Low 29 32 54 115 N/A 158 191 3.1 KHz Temporal High 39 41 54 150 N/A 189 228 3.1 KHz Temporal Low 29 32 54 177 N/A 226 264 3.1 KHz Non-Temporal High 42 43 54 3.1 KHz Non-Temporal Low 28 29 54 |
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| Coded | High 43 47 54 3.1 KHz Coded High 42 43 54 8–17.5 Volts 16–33 Volts |
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| DC Input | 15cd 30cd 15cd 30cd 75cd 95cd 115cd 150cd 177cd |
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| Temporal High | 103 167 71 90 143 165 187 217 254 |
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| Temporal Low | 96 165 54 71 137 161 185 211 249 |
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| Non-Temporal High | 106 173 71 90 141 165 187 230 273 |
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| Non-Temportal Low | 95 166 54 71 124 161 170 216 258 16–33 Volts |
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| FWR Input | 15cd 30cd 75cd 95cd 115cd 150cd 177cd |
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| Switch | Volts Volts |
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| Position | Sound Pattern dB DC DC FWR AVDS868-02 • 12/01/2017 • Page 3 2.47" (62.7 mm) 1.37" (34.8 mm) 6.92" diam. 2.5" (173 mm) |
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| A0545-00 | A0546-00 |
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| Ceiling-Mount Horn Strobes | Ceiling Surface Mount Back Box |
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| A0494-01 | A0531-01 2-Wire Ceiling Mount Horn Strobes 4-Wire Ceiling Mount Horn Strobes |
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| with Ceiling Surface Mount Back Box | with Ceiling Surface Mount Back Box |
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| Ceiling Horn Strobes | Ceiling Strobes |
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| PC2RL | 2-Wire, Horn Strobe, Red SCRL Strobe, Red |
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| PC2WL | 2-Wire, Horn Strobe, White SCWL Strobe, White |
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| PC4RL | 4-Wire, Horn Strobe, Red SCWL-CLR-ALERT Strobe, White, ALERT |
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| PC4WL | 4-Wire, Horn Strobe, White Accessories |
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| TRC-2 | Universal Ceiling Trim Ring Red |
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| TRC-2W | Universal Ceiling Trim Ring White |
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| SBBCRL | Ceiling Surface Mount Back Box, Red |
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| SBBCWL | Ceiling Surface Mount Back Box, White ©2017 System Sensor. 3825 Ohio Avenue • St. Charles, IL 60174 Product specifications subject to change without notice. Visit systemsensor.com for current product information, including the latest version of this data sheet. |
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| Phone: 800-SENSOR2 • Fax: 630-377-6495 | AVDS868-02 • 12/01/2017 |
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