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European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880
Document No. D211-00-471-IS-SC-UL Issue A 26-07-2022 Sheet 3 of 3
Table 2 - Vertical Light Output Dispersion for Wall & Ceiling Mounting
Viewing Angle
% of Rating
Intensity (cd)
at 1Hz flash
rate
Intensity (cd)
at 1.33Hz flash
rate
Intensity (cd)
at 1.5Hz flash
rate
Intensity (cd)
at 2Hz flash
rate
0º
100
80.1
77.1
77.3
82.1
5º
90
72.1
69.4
69.5
73.9
10º
90
72.1
69.4
69.5
73.9
15º
90
72.1
69.4
69.5
73.9
20º
90
72.1
69.4
69.5
73.9
25º
90
72.1
69.4
69.5
73.9
30º
75
60.1
57.8
58.0
61.6
35º
75
60.1
57.8
58.0
61.6
40º
75
60.1
57.8
58.0
61.6
45º
75
60.1
57.8
58.0
61.6
50º
55
44.1
42.4
42.5
45.2
55º
45
36.0
34.7
34.8
37.0
60º
40
32.0
30.8
30.9
32.9
65º
35
28.0
27.0
27.0
28.8
70º
35
28.0
27.0
27.0
28.8
75º
30
24.0
23.1
23.2
24.6
80º
30
24.0
23.1
23.2
24.6
85º
25
20.0
19.3
19.3
20.5
90º
25
20.0
19.3
19.3
20.5
45º Compound
24
19.2
18.5
18.5
19.7
All light output ratings min. values as per UL 1971 / UL1638 / CAN/ULC-S526 at worst-case (min.) input voltage.
4) Electrical Ratings
4.1 Surge current for Fire Alarm system use
Table 3 - Surge Currents
Model
Nom. Voltage
Voltage Range
Flash Rate Setting
Init. Peak Surge
Current
Init. RMS Surge
Current
D2xB1LD3DC024
24Vdc
Regulated
(16-33Vdc)*
1Hz (60fpm)
1.18A
950mA
1.33Hz (80fpm)
1.22A
998mA
1.5Hz (90fpm)
1.2A
990mA
2Hz (120fpm)
1.22A
980mA
Table 3 - Surge currents at worst-case voltage in voltage range.
