Meltric DSN, DS, DB Selection Guide
Product Selection Guide
Product Selection Guide
DSN DS DB
Product
20 30 60 20 30 60 100C 100 200 20 60 100
BRANCH CIRCUIT DISCONNECT SWITCH RATINGS (A.C. ONLY)
Amperage
20A 30A 60A 20A 30A 60A 100A 100A 200A 30A 60A 100A
Max VAC
480V 600V 600V 600V 600V 600V 600V 600V 480V 600V 600V 600V
MOTOR CIRCUIT DISCONNECT SWITCH RATINGS – HORSEPOWER (A.C. ONLY)
120V 1Ø
.5 hp 1 hp 2 hp .5 hp .75 hp 2 hp 2 hp – – 1.5 hp 3 hp 7.5 hp
240V 1Ø
1 hp 3 hp 3 hp 1.5 hp 2 hp 3 hp 3 hp – – 3 hp 7.5 hp 10 hp
208V 3Ø
2 hp 5 hp 7.5 hp 3 hp 3 hp 7.5 hp 7.5 hp – – 7.5 hp 15 hp 30 hp
240V 3Ø
2 hp 5 hp 7.5 hp 1.5 hp 3 hp 7.5 hp 7.5 hp – – 7.5 hp 15 hp 30 hp
480V 3Ø
5 hp 10 hp 20 hp 5 hp 10 hp 20 hp 20 hp – – 10 hp 30 hp 60 hp
600V 3Ø
– 15 hp 20 hp 7.5 hp – 25 hp 25 hp – – 10 hp 30 hp 60 hp
SHORT CIRCUIT CLOSING & WITHSTAND RATINGS (A.C.ONLY)
S.C.Rating
100kA 100kA 100kA 100kA 100kA 100kA 100kA 65kA 65kA 100kA 100kA 100kA
Fuse Type
RK1 RK1 RK1 RK1 RK1 RK1 RK1 RK5 RK5 RK1 RK1 RK1
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Product Selection Guide
Fuse Size
35A 125A 110A 80A 125A 250A 250A 100A 200A 125A 250A 250A
NON-LOAD BREAK PLUG & RECEPTACLE RATINGS FOR DIRECT CURRENT
Amperage
20A 30A 60A 20A 30A 60A 100A 100A 200A 30A 60A 100A
Max VDC
250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V
CASING MATERIALS
Standard
Poly Poly Poly Poly Poly
Poly/
Metal
Poly/
Metal
Poly/
Metal
Metal Metal Metal Metal
ENVIRONMENTAL RATINGS
NEMA
4X 4X 4X 3R 3R 3R 3R 3R 3R – – –
IP
66+67 66+67 66+67 54/55 54/55 54/55 54/55 54/55 54/55 67 67 67
Temp Max
140° 140° 140° 140° 140° 140° 140° 140° 140° 140° 140° 140°
Temp Min
-40° -40° -40° -40° -40° -40° -40° -40° -40° -40° -40° -40°
OPTIONAL AUXILIARY CONTACTS
Max
Number
– 2 4 2 4 3 3 5 5 2 2 4
A@120VAC
– 6A 6A 6A 6A 6A 6A 3A 3A 6A 6A 6A
A@240VAC
– 3A 3A 3A 3A 3A 3A 1.5A 1.5A 3A 3A 3A
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