Mitsubishi FR-D720-5.5K

135
∗ Select a UL and cUL certified fuse with Class T fuse equivalent cut-off speed or faster with the appropriate rating for
branch circuit protection, or a UL489 molded case circuit breaker (MCCB) in accordance with the table below.
∗ Maximum allowable rating by US National Electrical Code. Exact size must be chosen for each installation.
∗ When using the electronic thermal relay function as motor overload protection, set the rated motor current in Pr. 9
Electronic thermal O/L relay. (Refer to page 41)
∗ Short circuit current ratings
 100V class
Suitable For Use in A Circuit Capable of Delivering Not More Than 5 kA rms Symmetrical Amperes, 132V Maximum.
 200V class
Suitable For Use in A Circuit Capable of Delivering Not More Than 5 kA rms Symmetrical Amperes, 264V Maximum.
 400V class
Suitable For Use in A Circuit Capable of Delivering Not More Than 5 kA rms Symmetrical Amperes, 528V Maximum.
FR-D720-K(C) 0.1 0.2 0.4 0.75 1.5 2.2 3.7 5.5 7.5 11 15
Rated fuse voltage(V) 240V or more
Fuse maximum
allowable rating
(A)∗
Without power factor
improving reactor
15 15 15 20 30 40 60 70 80 150 175
With power factor
improving reactor
15 15 15 20 20 30 50 60 70 125 150
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
15 15 15 15 20 25 40 60 80 110 150
FR-D740-K(C) 0.4 0.75 1.5 2.2 3.7 5.5 7.5 11 15
Rated fuse voltage(V) 480V or more
Fuse maximum
allowable rating
(A)∗
Without power factor
improving reactor
6 1015203040708090
With power factor
improving reactor
6 1010152535607090
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
15 15 15 15 20 30 40 50 70
FR-D720S-K 0.1 0.2 0.4 0.75 1.5 2.2
Rated fuse voltage(V) 240V or more
Fuse maximum
allowable rating
(A)∗
Without power factor
improving reactor
15 20 20 30 40 60
With power factor
improving reactor
15 20 20 20 30 50
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
15 15 15 20 25 40
FR-D710W-K 0.1 0.2 0.4 0.75
Rated fuse voltage(V) 115V or more
Fuse maximum
allowable rating
(A)∗
Without power factor
improving reactor
20 20 40 60
With power factor
improving reactor
20 20 30 50
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
15 15 25 40