50A Miniature High Power Relay

Model:NT90 50A

● 50A switching capability
● Low coil power consumption 0.9W
● High dielectric strength type available
● Plastic sealed and flux proofed types available
● Heavy contact load
● Strong anti-shock, anti-vibration and high reliability
● RoHS Compliant

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Product Description

Features

50A contact switching capability.

The temperature rise is <80K under 70℃ .

Terminal width 1.8mm and 3.3mm available.

PC board mounting available.

PV power, UPS power, charger, electric car, electric equipment,air conditioner, etc.

Ordering Information

1 Part number: NT90

2 Terminal: R:without Pin 6 Nil:with Pin 6 W:3.3mm

3 Load: 50:50A

4 Contact arrangement: A:1A C:1C

5 Enclosure: S: Wash tight E: Flux proof

6 Coil rated voltage(V): DC:5,6,9,12,15,18,24,48; AC:24,110,220,240,277

7 Contact material: S: AgSnO2

8 Resist heat class: F:155℃

9 Coil Power(W): .9:0.9W NIL:1.5W,2.7VA

Contact Data

Contact Arrangement		1A(SPSTNO) 1C(SPDT(B-M))
Contact Material		AgSnO₂
Contact Rating(Resistive)		NO:50A/240VAC; NC:35A/240VAC Motor Load 2HP 250VAC TV-8
Max. Switching Power		12000VA
Max. Switching Voltage		280VAC	Max. Switching Current: 50A
Contact Resistance		≤30mΩ	Item 4.12 of IEC61810-7
Operational Life	Electrical	3×10⁴ 50A/277VAC,Resistive load,40 ,1s on 9s off) 6×10³ 50A/277VAC,Resistive load,85 ,1s on 9s off)	Item 4.30 of IEC 61810 -7
	Mechanical	1×10⁷	Item 4.31 of IEC 61810-7

Coil

Operational Life	DC	AC
Operational Life	0.9W 1.5W	2.7VA

Coil Parameter

DC 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
Dash numbers	Rated	Max	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
005-900	5	6.5	28	3.75	0.5	0.9	≤15	≤10
006-900	6	7.8	40	4.50	0.6
009-900	9	11.7	90	6.75	0.9
012-900	12	15.6	160	9.00	1.2
015-900	15	19.5	250	10.25	1.5
018-900	18	23.4	360	13.50	1.8
024-900	24	31.2	640	18.00	2.4
048-900	48	62.4	2560	36.00	4.8
005-1500	5	6.5	16.7	3.75	0.5	1.5	≤15	≤10
006-1500	6	7.8	24	4.50	0.6
009-1500	9	11.7	54	6.75	0.9
012-1500	12	15.6	96	9.00	1.2
015-1500	15	19.5	150	10.25	1.5
018-1500	18	23.4	216	13.50	1.8
024-1500	24	31.2	384	18.00	2.4
048-1500	48	62.4	1536	36.00	4.8

CAUTION:

1.The use of any coil voltage less than the rated coil voltage will compromise the operation of the relay.

2.Pickup and release voltage are for test purposes only and are not to be used as design criteria.

Coil Parameter

AC Coil Parameter
Dash numbers	Coil voltage VDC		Rated current mA	Coil resistance Ω± 10%	Pick-up voltage V(max) (75% of rated voltage)	Drop-out voltage V(min) (10% of rated voltage)	Coil power VA	Operate time ms	Release time ms
Dash numbers	Rated	Max	Rated current mA	Coil resistance Ω± 10%	Pick-up voltage V(max) (75% of rated voltage)	Drop-out voltage V(min) (10% of rated voltage)	Coil power VA	Operate time ms	Release time ms
024AC-2700	24	28.8	112.5	96	18	7.2	2.7VA	___	___
110AC-2700	120	132	22.5	2320	90	36
220AC-2700	220	264	12.3	9500	165	66
240AC-2700	240	288	11.3	11600	180	72
277AC-2700	277	332	9.7	15600	208	83

Characteristics

Insulation Resistance	1000MΩ min (at 500VDC)	Item 4.11 of IEC 61810-7
Dielectric Strength
Between Contacts	50Hz 1500V	Item 4.9 of IEC 61810-7
Between Contact and Coil	50Hz 2500V 4000V (Without Pin 6) *	Item 4.9 of IEC 61810-7
Shock Resistance	Functional: 98m/s² 11ms	Item 4.26 of IEC 61810-7
Shock Resistance	Destructive: 980m/s² 11ms	Item 4.26 of IEC 61810-7
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
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	NO: 50A/240VAC,277VAC 85℃ NC: 35A/240VAC,277VAC 40℃	NO:50A/240VAC 40℃ NC:35A/240VAC 40℃	NO:50A/240VAC 40℃ NC:35A/240VAC 40℃

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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Contact Info

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Address

NO.11, 125 Lane, Qi-Wen Road, Haishu District, Ningbo, Zhejiang, China, 315012
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E-mail

sale@electrocasas.com

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