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The Simplex 4098‑9789 smoke/heat detector base with LED output is a UL-listed TrueAlarm™ compatible base designed for addressable fire detection systems. Engineered to host Simplex analog sensor heads, this base provides integrated wiring for either a 2098‑9808 remote LED indicator or a 4098‑9822 unsupervised relay (with a separate 24 VDC supply). Featuring magnetic functional test capability, integral red LED status indicator (pulsing in standby, steady when in alarm or trouble), and DIP‑switch accessible addressing, it ensures precise location identification. Its durable locking anti‑tamper design mounts securely to a standard electrical outlet box. This subassembly operates reliably in ambient temperatures up to 100 °F and is available in Rev E (Mexico) or Rev D/E (China) versions. With.
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