Simplex 4008-9101 Installation, Programming And Operating Instructions page 23

NAC ratings
The panel is rated Special Application for 2A maximum per
NAC with Simplex 4901 and 4906 TrueAlert & TrueAlert
Multi-Candela Notification Appliances.
For all other UL-Listed Notification Appliances, NACs are
rated regulated 24 VDC at 1.5 A maximum each. Maximum
4906-
9101
9102
9103
9104
9127
9128
9129
9130
9151
9154
9153
All other regulated 24 VDC synchronized notification
appliances require the use of their associated, listed external
synchronization module. Notification Circuit rating is 1.5 A
maximum, 1.35 A maximum strobe load per power supply.
Use the UL-rated operating current to determine maximum
number of appliances allowed per NAC.
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Table 2-3 NAC Ratings
15Cd
Rated Max. # per Rated
Current NAC Current
0.060 33 0.094
0.075 26 0.125
0.060 33 0.094
0.075 26 0.125
0.075 26 0.116
0.086 23 0.132
0.075 26 0.116
0.086 23 0.132
0.060 33 0.094
0.075 26 0.125
0.060 33 0.094
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Chapter 2. Installation/System Checkout
allowed strobe load on either the main or expansion power
supply is 1.35 A. The balance of the 3 A capacity can be
auxiliary loads or audible notification appliances.
Synchronization of strobes across all NACs in a system is
UL-Listed for the Simplex models noted in the table below.
See the table below for maximum number allowed of each
appliance per NAC.
30Cd 75Cd
Max. # Rated
per NAC Current
21 0.186
16 0.233
21 0.186
16 0.233
17 0.221
15 0.250
17 0.221
15 0.250
21 0.186
16 0.233
21 0.186
2-7
110Cd
Max. # per Rated Max. # per
NAC Current
10 0.252
8 0.316
10 0.252
8 0.316
9 0.285
8 0.320
9 0.285
8 0.320
10 0.252
8 0.316
10 0.252
NAC
7
6
7
6
7
6
7
6
7
6
7