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Important Notes - ABB HM/A 1.1 Manual

Fire alarm systems

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TECHNICAL DATA
Technical data
Operating voltage
Contact load of switch S2
Dimensions (W x H x D)
Connection
Cable entry point
Top and bottom
rear wall
Weight
Degree of protection
Rel. humidity
Ambient temperature

IMPORTANT NOTES

The Manual Call Points are built using high-quality
electronic components and materials that provide
excellent resistance to environmental conditions.
We nevertheless recommend replacing the Manual
Call Points after 10 years of continuous operation in
order to lower the risk of limited functionality due to
external influences. Ensure that these Manual Call
Points are used only with compatible Fire Alarm
Control Panels. Fire detection systems must be
checked and maintained at regular intervals in order
to ensure that they function properly.
Observe the national procedural rules and other in-
ternationally recognized fire protection technology
standards. A corresponding risk analysis should
first be performed to determine the required proj-
ect planning criteria and then updated on an ongo-
ing basis.
10 – 30 V DC (supplied by the zone)
< 25 V AC / 2 A or
< 60 V DC / 2 A
126 x 126 x 35 mm
Screw terminals
Max. 1.5 mm²
2 pcs. M20 x 1.5 mm
2 pcs. 24 x 10 mm
420 g
IP43
5 – 95% (non condensing)
-20 to +60 °C (continuous operation, without icing)
-25 to +70 °C (max. 12 hours)
HM/A 1.1, HM/A 2.1 | 9AKK107991A0084 EN Rev. A 5

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This manual is also suitable for:

Hm/a 2.1