HST Electrical
NDB3-50 Series HMCB, Nader

Nader

NDB3-50 Series HMCB, Nader

Model: NDB3-50

Key specifications

  • 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)DC80VDC65VDC32VAC240VAC415V
Rated current (A)1≤In≤3030<In≤501≤In≤501≤In≤501≤In≤301≤In≤301≤In≤3030<In≤50
Number of Poles1P,2P1P,2P1P,2P1P2P,3P
Breaking capacity (A)3C
(GB/T17701) 		3000A1500A//4000(L, K) 3000(R, I)3000(L, K) 1500(R, I)4000(L, K) 3000(R, I)3000(L, K) 1500(R, I)
UL10773000, U1a1500, U1a3000, U1a5000, U3////
UL489A3000A///////
UL489////////
TUV/CE
(EN60934)		3000A1500A//////
Rated voltage (V)AC250VAC 125/250AC250 3φAC120AC120/240
Rated current (A)1≤In≤3030<In≤501≤In≤3030<In≤501≤In≤3030<In≤501≤In≤301≤In≤30
Number of Poles1P2P3P1P2P,3P
Breaking capacity (A)3C
(GB/T17701) 		////////
UL10775000, C1a
3000, U1a		1000, U1a3000, U1a2000, U35000, U1a1000, 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 CurveZ2, 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 methodL, Q, M
Wiring methodL: 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 endurance10000times
Electrical Life6000times
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.

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