Overload Protection - Grundfos CRE Manual De Instrucciones

3 × 440-480 V, MLE Model K
Motor size
[hp]
15
20
25
30
Branch circuit short-circuit protection
For the USA
Integral solid state short-circuit protection does not provide branch circuit protection. Branch circuit protection
must be provided in accordance with the National Electrical Code and any additional local codes, or the
equivalent.
For Canada
INTEGRAL SOLID STATE SHORT-CIRCUIT PROTECTION DOES NOT PROVIDE BRANCH CIRCUIT
PROTECTION. BRANCH CIRCUIT PROTECTION MUST BE PROVIDED IN ACCORDANCE WITH THE
CANADIAN ELECTRICAL CODE, PART I.

Overload protection

Degree of overload protection provided internally by the drive, in percent of full-load current: 102 %.
Recommended
[A]
35
50
60
70
Maximum
Fuse type
[A]
RK1, Class J or T UL listed
60
fuse
RK1, Class J or T UL listed
80
fuse
RK1, Class J or T UL listed
80
fuse
RK1, Class J or T UL listed
80
fuse
541