Fuse And Circuit Breaker Specifications - Danfoss VLT DriveMotor FCP 106 Operating Instructions Manual

Specifications

7.10 Fuse and Circuit Breaker Specifications

Overcurrent protection
Provide overload protection to avoid overheating of the cables in the installation. Overcurrent protection must always be
carried out according to local and national regulations. Fuses must be designed for protection in a circuit capable of
supplying a maximum of 100,000 A
circuit capable of supplying a maximum of 10,000 A
circuit breaker.
UL/Non UL Compliance
Use the circuit breakers or fuses listed in Table 7.15, to ensure compliance with UL or IEC 61800-5-1.
Circuit breakers must be designed for protection in a circuit capable of supplying a maximum of 10,000 A
480 V maximum.
In the event of malfunction, failure to follow the protection recommendation can result in damage to the frequency
converter.
1)
Power
Enclosure
[kW]
type
3x Rec. UL
380-480 V
CTI25M -
0.55
047B3146
CTI25M -
0.75
047B3147
MH1
CTI25M -
1.1
047B3147
CTI25M -
1.5
047B3148
CTI25M -
2.2
047B3149
CTI25M -
MH2 3.0
047B3149
CTI25M -
4.0
047B3150
MG03L202
Operating Instructions
(symmetrical), 480 V maximum. Circuit breakers must be designed for protection in a
rms
(symmetrical), 480 V maximum; or the value rated on the individual
rms
Circuit Breaker
Rec.
UL
Rec. Max.
Max. UL non- non-
RK5,
UL UL
RK1,
J, T,
CC
CTI25 CTI25
CTI25M - M - M -
6
047B3149 047B3 047B3
146 149
CTI25 CTI25
CTI25M - M - M -
6
047B3149 047B3 047B3
147 149
CTI25 CTI25
CTI25M - M - M -
6
047B3150 047B3 047B3
147 150
CTI25 CTI25
CTI25M - M - M -
6
047B3150 047B3 047B3
148 150
CTI25 CTI25
CTI25M - M - M -
6
047B3152 047B3 047B3
149 152
CTI25 CTI25
CTI25M - M - M -
15
047B3152 047B3 047B3
149 152
CTI25 CTI25
CTI25M - M - M -
15
047B3102 047B3 047B3
150 102
Danfoss A/S © Rev. 06/2014 All rights reserved.
Fuse
Maximum UL
Type
RK5 RK1 J T
6 6 6 6
6 6 6 6
10 10 10 10
10 10 10 10
20 20 20 20
25 25 25 25
30 30 30 30
(symmetrical),
rms
Rec. Max.
non-UL non-UL
CC gG gG
6 10 10
6 10 10
10 10 10
10 10 10
20 16 20
25 16 25
30 16 32
43
7 7