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Model 1151EIS ionisation smoke detectors use state-of-the-art sensing chambers and SMD circuitry for maximum
reliability. These detectors are designed to afford open area protection and are for use in hazardous areas
where potentially explosive atmospheres are likely to arise (confirm classification of equipment required with
your responsible authority). 1151EIS detectors are designed to be used with compatible panels only and must
be used in conjunction with a compatible zener barrier or galvanic isolator.
Each detector has remote LED annunciator capabilility as well as two integral alarm LEDs to provide local visual
indication of detector status. Once the detector senses a fire, it latches in alarm and remains in this condition
until it is reset by a momentary power interruption.
Model 1151EIS smoke detectors include a tamper feature that prevents removal from the base without the use
of a tool. In addition, these detectors can be tested by activating an internal reed switch with a test magnet.
This test simulates smoke in the detector and performs a full check of the operating circuitry.
FEATURES:
■ Low profile design
■ Low current draw
■ Remote LED option
■ Two alarm LEDs providing 3600 visibility
■ Stable performance in high air velocities
■ Removable cover for ease of maintenance
■ Simple plug-in installation
■ Compatible with standard B401 mounting
base
■ Built-in test switch
■ Tamper-resistant
■ Suitable for use in Zone 0 environments
■ Approved for use with Zener safety barriers or
galvanic isolators
■ BASEEFA approval to EEx ia IIB T5
■ Tested and approved to EN54 Part 7
--------------------------------------------
SPECIFICATIONS
Electrical
Operating Voltage: 15 to 32VDC
Standby Current (maximum): 30μA at 24VDC
Latching alarm reset by momentary power interruption
Environmental
Operating Temperature Range: –10°C to 55°C
Operating Humidity Range: 10% to 93% Relative Humidity
IP Ratings: On application
Intrinsic Safety Rating: EEx ia IIB T5
Mechanical
Height: 43mm
Diameter: 101mm
Weight: 110g (excluding base)
Product Range
Compatible bases: B401, B401DG
FEATURES:
■ Low profile design
■ Low current draw
■ Remote LED option
■ Two alarm LEDs providing 3600 visibility
■ Stable performance in high air velocities
■ Removable cover for ease of maintenance
■ Simple plug-in installation
■ Compatible with standard B401 mounting
base
■ Built-in test switch
■ Tamper-resistant
■ Suitable for use in Zone 0 environments
■ Approved for use with Zener safety barriers or
galvanic isolators
■ BASEEFA approval to EEx ia IIB T5
■ Tested and approved to EN54 Part 7
--------------------------------------------
SPECIFICATIONS
Electrical
Operating Voltage: 15 to 32VDC
Standby Current (maximum): 30μA at 24VDC
Latching alarm reset by momentary power interruption
Environmental
Operating Temperature Range: –10°C to 55°C
Operating Humidity Range: 10% to 93% Relative Humidity
IP Ratings: On application
Intrinsic Safety Rating: EEx ia IIB T5
Mechanical
Height: 43mm
Diameter: 101mm
Weight: 110g (excluding base)
Product Range
Compatible bases: B401, B401DG