Single Pole 10A /250VAC Power Relay

Model:NT73-3

● 1 Form A,1 Form B and 1 Form C contact arrangement
● Plastic sealed and flux proofed types available
● Dielectric strength of 4000 V between coil and contacts
● RoHS Compliant

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Product Description

Features

Superminiature, High power.

Low coil power consumption.

PC board mounting.

Suitable for automation control, telecommunication equipment, household electrical appliances and machinery electrical facilities.

Ordering Information

1 Part number: NT73-3

2 Contact arrangement A:1A B:1B C:1C

3 Enclosure: S:Wash tight NIL:Flux proof

4 Contact current 5:5A 7:7A 10:10A 12:12A 15:15A 20:20A

5 Coil rated voltage(V): DC:3,5,6,9,12,18,24,36,48

6 Coil power 0.36:0.36W 0.45:0.45W 0.6:0.6W 0.8:0.8W

7 Resistance heat Class NIL:130℃ F:155℃

Contact Data

Contact Arrangement		1A(SPSTNO) 1B(SPSTNC) 1C(SPDT(B-M))
Contact Material		AgSnO₂
Contact Rating(Resistive)		5A,10A/250VAC; 7A,16A/277VAC;12A,20A/125VAC; 15A/250VAC(1A) TV-8
		Motor Load NO:1HP(AFLA)125VAC,250VAC 20A/125VAC NC:1/2HP(AFLA)125VAC,250VAC 20A/125VAC
Max. Switching Power		4450VA
Max. Switching Voltage		277VAC	Max. Switching Current: 20A
Contact Resistance		≤100mΩ	Item4.12 of IEC61810-7
Operational Life	Electrical	10⁵ 5×10⁴(1C) 1×10⁴(15A/250VAC 85℃ )	Item 4.30 of IEC 61810 -7
	Mechanical	1×10⁷	Item 4.31 of IEC 61810-7

CAUTION:

1) For the intermediate current, it only applies to the room temperature.

Coil Parameter

Dash numbers	Coil voltage VDC		Coil resistance Ω± 10%	Pick-up voltage VDC(max) (75%of rated voltage )	Drop-out voltage VDC(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 VDC(max) (75%of rated voltage )	Drop-out voltage VDC(min) (10% of rated voltage)	Coil power W	Operate time ms	Release time ms
003-360	3	3.9	25	2.25	0.3	0.36	≤15	≤10
005-360	5	6.5	69	3.75	0.5
006-360	6	7.8	100	4.50	0.6
009-360	9	11.7	225	6.75	0.9
012-360	12	15.6	400	9.00	1.2
018-360	18	23.4	900	13.5	1.8
024-360	24	31.2	1600	18.0	2.4
036-360	36	46.8	3600	27.0	3.6
048-360	48	62.4	6400	36.0	4.8
003-450	3	3.9	20	2.25	0.3	0.45	≤15	≤10
005-450	5	6.5	55.6	3.75	0.5
006-450	6	7.8	80	4.50	0.6
009-450	9	11.7	180	6.75	0.9
012-450	12	15.6	320	9.00	1.2
024-450	24	31.2	1280	18.0	2.4
048-450	48	62.4	5120	36.0	4.8
003-600	3	3.9	15	2.25	0.3	0.60	≤15	≤10
005-600	5	6.5	42	3.75	0.5
006-600	6	7.8	60	4.50	0.6
009-600	9	11.7	135	6.75	0.9
012-600	12	15.6	240	9.00	1.2
024-600	24	31.2	960	18.0	2.4
048-600	48	62.4	3840	36.0	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.

Dash numbers	Coil voltage VDC		Coil resistance Ω± 10%	Pickup voltage VDC(max) (75%of rated voltage )	Drop-out voltage VDC(min) (10% of rated voltage)	Coil power W	Operate time ms	Release time ms
Dash numbers	Rated	Max.	Coil resistance Ω± 10%	Pickup voltage VDC(max) (75%of rated voltage )	Drop-out voltage VDC(min) (10% of rated voltage)	Coil power W	Operate time ms	Release time ms
003-800	3	3.9	11	2.25	0.3	0.80	≤15	≤10
005-800	5	6.5	31	3.75	0.5
006-800	6	7.8	45	4.50	0.6
009-800	9	11.7	101	6.75	0.9
012-800	12	15.6	180	9.00	1.2
024-800	24	31.2	720	18.0	2.4
048-800	48	62.4	2880	36.0	4.8

Characteristics

Insulation Resistance	250MΩ min (at 500VDC)	Item 7 of IEC 61810-7
Dielectric Strength
Between Contacts	50Hz 1000V	Item 4.9 of IEC 61810-7
Between Contact and Coil	50Hz 2500V Surge Voltage:4kV	Item 4.9 of IEC 61810-7
Shock Resistance	98m/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	5N	Item 4.24 of IEC 61810-7
Ambient Temperature	-45℃~85℃
Relative Humidity	5% to 85%	Item 4.16 of IEC 61810-7
Mass	11.5g	Item 4.7 of IEC 61810-7

Safety Approvals

Safety approval	UL&CUR	TüV	VDE	CQC
Load	16A/277VAC;10A/250VAC;TV-8 NO:1HP(16AFLA)125VAC,250VAC;20A/125VAC NC:1/2HP(9.8AFLA)125VAC,250VAC;20A/125VAC	NO:15A/250VAC	NO:10A/250VAC NC:7A/250VAC	10A/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.

Reference Data

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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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