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NDB3-50 Series HMCB, Nader

Rated current In (A): 0.5A, 1A, 2A, 2.5A, 3A, 4A, 5A, 6A, 7A, 8A, 9A, 10A, 12A, 15A, 16A, 20A, 24A, 25A, 30A, 32A, 35A, 40A, 45A, 50A

Rated voltage Ue (V): DC80V, AC120/125/240/250/415V

Poles: 1P, 2P, 3P

Breaking capacity Icn: 1000A, 1500A, 2000A, 3000A, 5000A

Technical parameters:

Rated voltage (V) DC80V DC65V DC32V AC240V AC415V
Rated current (A) 1≤In≤30 30<In≤50 1≤In≤50 1≤In≤50 1≤In≤30 1≤In≤30 1≤In≤30 30<In≤50
Number of Poles 1P,2P 1P,2P 1P,2P 1P 2P,3P
Breaking capacity (A) 3C
(GB/T17701)
3000A 1500A / / 4000(L, K) 3000(R, I) 3000(L, K) 1500(R, I) 4000(L, K) 3000(R, I) 3000(L, K) 1500(R, I)
UL1077 3000, U1a 1500, U1a 3000, U1a 5000, U3 / / / /
UL489A 3000A / / / / / / /
UL489 / / / / / / / /
TUV/CE
(EN60934)
3000A 1500A / / / / / /
Rated voltage (V) AC250V AC 125/250 AC250 3φ AC120 AC120/240
Rated current (A) 1≤In≤30 30<In≤50 1≤In≤30 30<In≤50 1≤In≤30 30<In≤50 1≤In≤30 1≤In≤30
Number of Poles 1P 2P 3P 1P 2P,3P
Breaking capacity (A) 3C
(GB/T17701)
/ / / / / / / /
UL1077 5000, C1a
3000, U1a
1000, U1a 3000, U1a 2000, U3 5000, U1a 1000, U3
UL489A / / / / / / / /
UL489 / / / / / / 5000 /
TUV/CE
(EN60934)
/ / / / / / 5000 /
Power frequency withstand voltage (V) 3000V(Main circuit), 1000V(Auxiliary circuit)
Standards and Certificates ·CCC, TUV, CE
·GB/T 17701, IEC 60934, EN60934, UL1077, UL489A, UL489
Tripping Curve Z2, Z4, Z6, J2, J4, J6
Diameter of screw(mm) M3 (6-32UNC) screw (Applied torque: 0.5N.m)
M4 (8-32UNC) screw (Applied torque: 1.2N.m)
M5 (10-32UNF) screw (Applied torque: 2.0N.m)
Mounting method L, Q, M
Wiring method L: M5 screw (≤50A)
H: Solder-in/Q.C. tab (normal ≤30A, UL489≤20A)
C: Push-in stud (normal≤50A, UL489≤30A)
F: M5 screw with upturned lugs (normal≤50A, UL489≤30A)
E: 8-32UNC screw (normal≤30A, UL489≤20A)
G: 10-32UNFscrew (normal≤50A, UL489≤30A)
J: 8-32UNC screw with upturned lugs (normal≤30A, UL489≤20A)
K: 10-32UNF screw with upturned lugs (normal≤50A, UL489≤30A)
P: M4 screw (normal≤30A, UL489≤20A)
R: M4 screw with upturned lugs (normal≤30A, UL489≤20A)
Mechanical endurance 10000times
Electrical Life 6000times
Working conditions ·Operation temperature: -40℃~+85℃
·Humidity: ≤95%
·Altitude: ≤2000m
·Service place without explosive media, gas and dust which are corrosive and conductive.
·Be mounted free from rain and snow.

Tripping characteristic curve

Outline and installation dimension

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