50A Miniature High Power Relay With Flanged Mounting

Model:NT90TP 50A

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● 50A switching capability
● Small size,light weight
● Max.switching power of 12000VA
● Heavy contact load
● RoHS Compliant
CAD

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Product Description

Features

50A contact switching capability.

Available for DC Coil 1.2W and 1.5W.

2.7VA available for AC Coil.

Suitable for automobile, machine, electronic equipment, air conditioner and household appliances applications.

Ordering Information

1 Part number: NT90TP

2 Load: 50:50A

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; AC:24,110,220,240,277

6 Contact material: S: AgSnO₂

7 Resist heat class: F: 155℃

8 Coil power: .9:0.9W Nil:1.5W,2.7VA

Contact Data

Contact Arrangement		1A(SPSTBNO) 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 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	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	37g	Item 4.7 of IEC 61810-7

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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Tel

+86-574-87483123
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sales@forward-relays.com

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