Pin Assignments For Nac 2; X5 Nac 2 Class A And Nac 2-1 And Nac 2-2 Class B Terminal Block - Siemens FCI2011-U1 Mounting & Installation

Pin assignments for NAC 2

4

X5 NAC 2 class A and NAC 2-1 and NAC 2-2 class B terminal block

4 Pin assignments for NAC 2
4.1 X5 NAC 2 class A and NAC 2-1 and NAC 2-2 class B
Pin
4
3
2
1
8 | 14
Siemens Industry, Inc.
Building Technologies Division
terminal block
Designation Description
NAC2-1 (+) Positive feed for notification appliances for NAC 2 class A or NAC 2
NAC2-1 (-) Return feed for notification appliances for NAC 2 class A or NAC 2
NAC2-2 (+) Positive feed for notification appliances for NAC 2 class A or NAC 2
NAC2-2 (-) Return feed for notification appliances for NAC 2
Admissible cable cross-section: 1 x 12...18 AWG or 2 x 16...18 AWG
The jumpers must be set correctly for the class A/B selection.
Figure 3: Pin assignment for NAC circuit class A
Figure 4: Pin assignment for NAC circuit class B
* EOL resistance must be connected during non-use. EOL resistance: 2.4 kΩ, 0.5 W.
See also
2 X604, X605 and X606 NAC 2 class A/B selection jumper [➙ 10]
A6V10315036_d_en_--
2018-03-16