Professional Speaker Equipment PRO Audio Power Control Replay Sequence Controller

We thinks what clients think, the urgency of urgency to act from the interests of a client position of theory, allowing for 110v relay outlet, 12v changeover relay, self powered relay. We support our purchasers with ideal premium quality products and substantial level company. We take quality as the foundation, development as the driving force, honesty and pragmatism as the basis, and bring value to customers as our responsibility to realize the long-term stable development of our company.

1 Product Survey of ac pcb relay

Product Features :

◆High load switching ability:40A

◆2500VAC is acceptable for isolation strength between contact and coil

◆ Coil insulation level Class F

◆ Dust-proof&Sealed type

◆ Agree with RoHS-Directive

◆ Dimension: 32*27.2*28.5mm & 32*27.2*20.5mm

◆ Its a kind of PCB and Quick terminal AC relay

Model Name principle indication, see below.

 

NB901  E  -220  S  -S  -A  L  T-105℃  Φ3.1  X

 1      2   3   4  5   6   7    8        9   10

1:  Relay Model  2： NO max load 30A, none: 40A  3: Coil rated voltage  4: package S: Sealed, D: dust proof.

5:  Contact Material: S:AgSnO2  C:AgCdO  6:  Contact Form:   A:Normally Open  B:Normally Close  C:SPDT(NO&NC)

 

7: L: Height of shell 20.5mm None:Height of shell 28.5mm    8: T-105℃: ambient temperature 105℃   none: normal ambient temperature

9: Φ3.1: Quick terminal hole dia. 3.1mm None: Quick terminal hole dia. 1.6mm   10:  X: customer used code

Overview

Our Ac Pcb Relay has a beautiful appearance and adopts a high-quality shell with high strength, high temperature resistance, corrosion resistance and good flame retardancy. Silver alloy contact has good conductivity and long service life. Reliable pull in, which can effectively reduce open circuit and short circuit. We focus on the production of relays for many years, fully automated production equipment and professional R & D personnel to escort the quality.

Our Ac Pcb Relay has high-grade material shell, exquisite and beautiful, high strength, high temperature resistance, corrosion resistance, strong flame retardancy and long service life. Silver alloy contact has good conductivity and long service life. Reliable pull in, which can effectively reduce open circuit and short circuit. Our relays are cost-effective. We have complete models and technical support.

2 Figure form of ac pcb relay

Contact Rating
Contact Form	1A,1B,1C
Contact Material	AgCdO AgSnO2
Contact Load Capacity	NB901			NB901E
	40A 240VAC/30VDC 40A 277VAC 1.5HP 1HP 240VAC TV-5 TV-15			30A/20A 240VAC/30VDC 30A 277VAC 1HP 1/2HP 240VAC TV-5
Switching Power Max.		1200W 11000VA
Switching Voltage Max.		30VDC/277VAC
Switching Current Max.		40A
Contact Resistance Max.		50mΩ(1A ,24VDC)
Life expectancy		Electrical	40A: 2x104 30A: 2x104
		Machanical	10 7

Safety Certification
Approval	CQC	UL
Load	40A 240VAC 30VDC	40A 277VAC 1.5HP 240VAC, TV-5

Coil Rating
Coil Voltage		Coil Resistance Ω±10%	Pick up (VDC) Max. (75% of Rated Voltage)	Drop out (VDC) Min.(10% of Rated Voltage)
Rated	Max.
24	31.2	120	18	7
110	143	2360	83	33
120	156	3040	90	36
220	286	13490	165	66
240	312	13490	180	72
277	360	15000	208	83

Technical Rating
Insulation Resistance		Min.1000MΩ(500VDC)	IEC 60255-5
Dielectric Strength	Between Contacts	1500VAC, 50/60Hz 1min; Max 4000 VAC	IEC 60255-5
	Between Coil&Contact	2500VAC 50/60Hz Min;	IEC 60255-5
Operate Time		≤15ms
Release Time		≤10ms
Shock Resistance		Operation extremes 10G Damage limits 100G	IEC 68-2-27 test Ea
Vibration Resistance		10Hz～55Hz double amplitude 1.5mm	IEC 68-2-6 test Fc
Ambient Temperature		﹣55℃～85℃;﹣55℃～105℃
Relative Humidity		85% RH , 40℃	IEC 68-2-3 test Ca
Weight		Approx.26.0g
Package		Sealed;Dust-proof type

3 Dimension and electrocircuit of ac pcb relay

Outline Dimensions

Bottom View Layout

Wiring Diagram(Bottom View)

Engineering Data

4.Frequently Asked Question

Q: Do you have a export licence?

A: Yes.

Q: What is your frequent used payment term?

A: Normally customer should pay 50% of contract, then we start production. Before shipment customer should pay balance of order.

We adapt to the market demand, carry out processing technology transformation and adjust the Professional Speaker Equipment PRO Audio Power Control Replay Sequence Controller structure. Our web-site shows the latest and complete information and facts about our merchandise list and company. We use new technology, new varieties and other scientific and technological knowledge and market information to improve the scientific and technological content of our products and open up a wider market channel.

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