Honeywell 804905 IQ8MCP Addressable Electronic Module (with Isolator, External Detector Line)
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Honeywell 804905
The Honeywell 804905 is an addressable electronic module for IQ8MCP manual call points, designed for use in esserbus and esserbus-PLus (powered loop) systems; it includes an integrated loop short-circuit isolator and alarm latching function, and can also operate as a conventional manual call point without a bus connection. It supports a maximum of 10 conventional detectors and 500 m of cable with an external D-line.
Addressable and IQ8MCP Compatible
Addressable module for IQ8MCP manual call points; compatible with esserbus and esserbus-PLus systems.
Integrated Loop Isolator
The module includes an integrated isolator that isolates loop short circuits and an alarm latching function.
External D-line Support
A maximum of 10 conventional detectors can be connected via the external D-line; the cable length is a maximum of 500 m.
Connection, Test, and Indication
Pluggable connection terminals, test function with service key, and LED indicators (green operation, red alarm, fault indication) are available.
Technical Specifications
Operating Voltage : 8 - 42 V DC
Standby Current : 45 µA (at 19 V DC)
Alarm Current : 18 mA (without communication pulse); 12 - 24 mA depending on voltage
Loop Protocol : esserbus; can also be used as a conventional manual call point without bus connection
Dimensions : W 133 mm × H 133 mm × D 36 mm
Weight : Approx. 236 g (in housing)
Material : PC-ASA plastic
Operating Temperature : -20 °C ~ +70 °C
Protection Class : IP 44 (in housing); IP 55 (with accessory)
Features : Addressable, integrated loop isolator, alarm latching, external D-line support
LED Indicators : Green operation, red alarm, fault indication
Test : Test function with service key
Scope of Delivery : Electronic module only; electronic module and call point housing must be ordered separately (e.g., 804900 / 804901)
Approvals : EN 54-11 (Type B), VdS approved, DoP-20489130701
Shipping & Return Terms
Fast Shipping: 24-hour delivery within North Cyprus · 3–5 business days between Türkiye and North Cyprus
Returns: 14-day no-questions-asked returns · In original packaging, unused
Warranty: All products are distributor approved and carry a 24-month warranty.
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