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50A Miniature High Power Relay With Big Gap

50A Miniature High Power Relay With Big Gap

You can rest assured to buy 50A Miniature High Power Relay With Big Gap from our factory and we will offer you the best after-sale service and timely delivery.

● 50A switching capability
● Contact gap ≥ 1.8mm
● Strong anti-shock, anti-vibration and high reliability
● Product in accordance to IEC60335-1 available
● RoHS Compliant

Model:NT90W

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Product Description

As a professional high quality 50A Miniature High Power Relay With Big Gap manufacture, you can rest assured to buy 50A Miniature High Power Relay With Big Gap from our factory and we will offer you the best after-sale service and timely delivery.

Features

50A/60A switching capability.

Contact gap: 1.8mm.

Ideal for charger.

Applicable to inverter used for photovoltaic power generation systems.

Product in accordance to IEC 60335-1 available


Ordering Information

1 Part number: NT90W

2 Load: 50:50A 60:60A

3 Contact arrangement: A:1A C:1C

4 Enclosure: S: Wash tight E: Flux proof

5 Coil rated voltage(V): DC:5,6,9,12,15,18,24,48 6 Contact material S: AgSnO2

7 Contact gap: S:1.8mm; Nil: Standard gap

8 Coil power: Nill:2.25W; L:1.2W

9 W:335 compliant Nil:Standard


Contact Data

Contact Power 1.2W 2.25W
Contact Arrangement 1A SPSTNO) 1C(SPDT(B-M)) 1A(SPSTNO)
Contact Material AgSnO2 AgSnO2
Contact Rating(Resistive)

NO:50A,60A/277VAC
NC:35A/277VAC

50A/277VAC
35A/277VAC(S Gap)
40A/30VDC
Max. Switching Power 14400VA 1200W 13850VA
Max. Switching Voltage 280VAC 1200W 13850VA
Max. Switching Current 60A
Contact Resistance ≤30mΩ Item 4.12 of IEC61810-7
Operational Life Electrical 1×104 (NO:60A/277VAC,Resistive load, 65℃, 1s on 9s off)
2×104 (NO:50A/277VAC,Resistive load, 65℃, 1s on 9s off)
1×104 (NC:35A/277VAC,Resistive load, 65℃, 1s on 9s off)
3×104 (S Gap)(35A/277VAC,Resistive load, 85℃, 1s on 9s off)
Item 4.30 of IEC 61810 -7
Mechanical 1×106 Item 4.31 of IEC 61810-7


Coil Parameter

Dash numbers Rated voltage VDC Coil resistance
Ω±10%
Pick-up voltage V(max) (75% of rated voltage) Drop-out voltage V(min) (10%of rated voltage) Coil power W Operate time ms Release time ms
Rated Max
005-1200 5 6.5 20.8 3.75 0.5 1.2 ≤15 ≤10
006-1200 6 7.8 30 4.50 0.6
009-1200 9 11.7 67.5 6.75 0.9
012-1200 12 15.6 120 9.00 1.2
015-1200 15 19.5 187.5 10.25 1.5
018-1200 18 23.4 270 13.50 1.8
024-1200 24 31.2 480 18.00 2.4
048-1200 48 62.4 1920 36.00 4.8
012-2250 12 15.6 64 9.00 1.2 2.25 ≤15 ≤10
024-2250 24 31.2 256 18.00 2.4

After the energization time of 100 ms with rated voltage, the coil voltage can be reduced to 40%~50% of the rated voltage.


Characteristics

Insulation Resistance 1000MΩ min (at 500VDC) Item 4.11 of IEC 61810-7
Dielectric Strength

Between Contacts

50Hz 1500V 2500V(S Gap)

Item 4.9   of IEC 61810-7
Between Contact and Coil 50Hz 2500V 4000V*
Item 4.9   of IEC 61810-7
Shock Resistance Functional: 98m/s² Item 4.26 of IEC 61810-7
Destructive: 980m/s²
Vibration Resistance 10Hz~55Hz Double amplitude 1.5mm
Item 4.28 of IEC 61810-7
Terminals Strength 10N Item 4.24 of IEC 61810-7
Surge Voltage
(Between Coil & Contacts)
6kV(1.2/50 μs) Item 4.10 of IEC 61810-7
Ambient Temperature -55℃~85℃
Relative Humidity 5% to 85% Item 4.16 of IEC 61810-7
Mass 27g Item 4.7 of IEC 61810-7

* Please contact the sales representative if 4000V is required.


Safety Approvals

Safety approval UL&CUR TüV CQC
Load 50A/277VAC   40℃
35A/277VAC   85℃
35A,40A,50A/277VAC
35A,40A,50A/250VAC
50A/277VAC
40A/277VAC,250VAC
35A/277VAC,250VAC


Dimensions(mm)

CAUTION

In case of no tolerance shown in outline dimension: outline dimension ≤1mm tolerance should be ±0.2mm outline dimension >1mm and ≤5mm, tolerance should be ±0.3mm; outline dimension >5mm, tolerance should be ±0.4mm.


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