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Call Us Toll-Free: (877) 268-3700 | sales@grossautomation.com
TYPE MS450 - MS497 | MANUAL MOTOR PROTECTORS

TYPE MS45(X)

  • Suitable for use with 3-phase motors up to 40 HP @ 480V
  • 14 Setting ranges from 11 to 50 amps

TYPE MS49(X)

  • Suitable for use with 3-phase motors up to 75 HP @ 480V
  • 22 Setting ranges from 11 to100 amps
OVERLOAD TRIPPING CLASS 10
FLA
Adjustment
Range
Horsepower Ratings Catalog Number Catalog Number
(UL 508E)
Single-Phase Three-Phase
115V 230V 200-
208V
230V 460V 575V
Type MS450
11 – 16 1 3 5 5 10 15 MS450-16 MS450-16E
14 – 20 1.5 3 5 7.5 15 20 MS450-20 MS450-20E
18 – 25 2 5 7.5 10 20 25 MS450-25 MS450-25E
22 – 32 3 5 10 10 25 30 MS450-32 MS450-32E
28 – 40 3 7.5 15 15 30 40 MS450-40 MS450-40E
36 – 45 5 7.5 15 15 30 40 MS450-45 MS450-45E
40 – 50 5 10 15 20 40 50 MS450-50 MS450-50E
MS495
28 – 40 3 7.5 15 15 30 40 MS495-40 MS495-40E
36 – 50 5 10 15 20 40 50 MS495-50 MS495-50E
45 – 63 5 15 20 25 50 60 MS495-63 MS495-63E
57 – 75 7.5 15 25 25 60 75 MS495-75 MS495-75E
70 – 90 10 20 30 30 75 100 MS495-90 MS495-90E
80 – 100 10 25 40 40 75 100 MS495-100 MS495-100E
MS497
11 – 16 1 3 5 5 10 15 MS497-16 MS497-16E
14 – 20 1.5 3 5 7.5 15 20 MS497-20 MS497-20E
18 – 25 2 5 7.5 10 20 25 MS497-25 MS497-25E
22 – 32 3 5 10 10 25 30 MS497-32 MS497-32E
28 – 40 3 7.5 15 15 30 40 MS497-40 MS497-40E
36 – 50 5 10 15 20 40 50 MS497-50 MS497-50E
45 – 63 5 - 20 25 50 60 MS497-63 MS497-63E
57 – 75 7.5 - 25 25 60 75 MS497-75 MS497-75E
70 – 90 10 - 30 30 75 100 MS497-90 MS497-90E
80 – 100 10 - 30 40 75 100 MS497-100 MS497-100E
OVERLOAD TRIPPING CLASS 20
FLA
Adjustment
Range
Horsepower Ratings Catalog Number Catalog Number
(UL 508E)
Single-Phase Three-Phase
115V 230V 200-
208V
230V 460V 575V
Type MS451
11 – 16 1 3 5 5 10 15 MS451-16 MS451-16E
14 – 20 1.5 3 5 7.5 15 20 MS451-20 MS451-20E
18 – 25 2 5 7.5 10 20 25 MS451-25 MS451-25E
22 – 32 3 5 10 10 25 30 MS451-32 MS451-32E
28 – 40 3 7.5 15 15 30 40 MS451-40 MS451-40E
36 – 45 5 7.5 15 15 30 40 MS451-45 MS451-45E
40 – 50 5 10 15 20 40 50 MS451-50 MS451-50E
MS496
28 – 40 3 7.5 15 15 30 40 MS496-40 MS496-40E
36 – 50 5 10 15 20 40 50 MS496-50 MS496-50E
45 – 63 5 15 20 25 50 60 MS496-63 MS496-63E
57 – 75 7.5 15 25 25 60 75 MS496-75 MS496-75E
70 – 90 10 20 30 30 75 100 MS496-90 MS496-90E
80 – 100 10 25 40 40 75 100 MS496-100 MS496-100E