5 Installation BECKHOFF Drive Technology
34 Version : 4.5 AX5000
5.2.1.3 External protection, UL-compliant
Integral solid state short circuit protection does not provide branch circuit protection. Branch
circuit protection must be provided in accordance with the Manufacture Instructions, National
Electrical Code and any additional local codes.
Suitable for use on a circuit capable of delivering not more than 18000 rms symmetrical
amperes, 480 V maximum, when protected by RK5 class fuses.
Single-phase
*) Mains fuses according to type “RK5” must be used.
Three-phase
*) Mains fuses according to type “RK5” must be used.
When protected by RK5 class fuses:
AX5112
Rated 20 A, min. 480 V
AX5118
Rated 35 A, min. 480 V
AX5125
Rated 45 A, min. 480 V
AX5140
5.2.1.4 Internal protection, UL-compliant
24 V - peripheral voltage