Shanghai Shenglin R134A Clean Room Air Handing Unit

We strive to reflect the concept of combining modern design concepts, mature technical levels and professional and considerate services in our 110v 40a relay, 110v relay outlet, 50 amp relay 5 pin. With the hard-working dedication of our staff, practical work style, high quality service and rich experience in exhibition investment, we have enjoyed a good reputation at home and abroad. As always, we will strictly abide by the corporate tenet, be honest and respect customers, and sincerely look forward to cooperating with customers at home and abroad. We dare not slack in the slightest, and will continue to uphold the business philosophy of pursuing excellence, based on the market, and challenge ourselves.

1 Product Recommendation for 40 ampere ac power relay

Product Features:

◆High load switching capability 40A

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

◆ Coil insulation rank Class F

◆ Contact form 1A,1B,1C available

◆ Dust-proof&Sealed type

◆ Complies with RoHS-Directive

◆ Dimension: 50.2*27*28mm & 32*27.2*20mm

◆ Can be Used in intelligent home appliance, invert welding machine, communication, security, fire control, floor heating and new energy car...etc

Defining instruction

 

NB903  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

As a leading company in the industry, we not only adhere to strict product quality standards, but also minimize the negative impact on the environment in the whole process of product development and service provision. Our company always adheres to customer orientation, always adheres to technological innovation as the first productivity, and actively carries out industry university research cooperation. Our company adheres to strict quality management, good reputation and timely and thoughtful after-sales service, which has won the trust of customers at home and abroad.

We hope to cooperate with experienced companies to bring our products to the market faster and establish a high reputation. We operate professional brands because we have excellent quality and good performance. Innovative scientific and technological talents are the power source of enterprise development. The management mode of emphasizing coordination has become our unique competitive advantage and management mode.

2 Parameter form of 40 ampere ac power relay

Contact Rating
Contact Form	1A,1B,1C
Contact Material	AgCdO AgSnO2
Contact Load Capacity	NB903			NB903E
	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: 105
		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.34.0g
Package		Sealed;Dust-proof type

3 Size and circuit of 40 ampere ac power relay

Outline Dimensions

TOP View Layout

Wiring Diagram(Bottom View)

Engineering Data

4.Frequently Asked Question

Q: Are you manufacturer or trade company?

A: We are manufacturer.

Q: Can we visit your company ?

A: You are welcome, and pls inform us your trip as early as possible.

We can guarantee that our Shanghai Shenglin R134A Clean Room Air Handing Unit meets all the strict requirements for quality and safety, both tangible and intangible. Do a good job carefully, provide customers with more detailed support, and use our experience, hard work and care to provide follow-up users with professional quality management series and product development and testing project services. We are trying to realize the quantification of management responsibility, rigid management system, work assessment performance, staff behavior standardization.

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