Contact Us
- 1289 Tanjialing West Road, Lanjiang Street, Yuyao City, Zhejiang Province, China
- humphreyzhu@nbc-relays.com
- +86-574-62824561

PCB Mounting Power Relay for Smart Meter
◆2500VAC is avaliable for dielectric strength between contact and coil
◆ Coil insulation grade Class F
◆ Contact form 1A,1B,1C available
◆ Dust-proof&Sealed type
◆ Complies with RoHS-Directive
Description
In recent years, we have actively introduced the refined management mode to promote the optimization and upgrading of 30 ampere automotive relay, solar relay switch, light signal relay quality, operation management and brand management. We will continue to exemplify the role of demonstration and drive, keeping in mind our economic and social responsibilities. No moving service is the lack of vitality of service, sincerity is the source of creating moving, only with sincerity, can we have meticulous service. Perfect after-sales service is our eternal pursuit, can cooperate with you is our wish. We believe that the improvement of the system and the establishment of the mechanism are particularly important in the process of staff ideological training and quality improvement.
1 Product introduction of 40 ampere pcb power relay
Product Features :
◆High load switching capability
◆2500VAC is avaliable for dielectric strength between contact and coil
◆ Coil insulation grade Class F
◆ Contact form 1A,1B,1C available
◆ Dust-proof&Sealed type
◆ Complies with RoHS-Directive
◆ Dimension: 32*27.2*28.5mm & 32*27.2*20.5mm
◆ It Can replace Omron's similar relay with model No. G7G/G8P
◆ It Can replace Hongfa's similar relay with model No. HF105F-5
Designation code for this model, choose correct model as you want pls.
NB902 E -12 S -S -A 4 W 4KV L T-105℃ X
1 2 3 4 5 6 7 8 9 10 11 12
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: Pin Form: A4:Normally open(4 pins), A5:Normally open(5 pins); B4:Normally close(4 pins), B5:Normally colse(5 pins); C5:SPDT(5 pins), C6:SPDT(6 pins).
8: W: white None: black 9: 4KV: Dielectric Strength between contact and coil 4000VAC none: Dielectric Strength between contact and coil 2500VAC
10: L: coil power consumption 600mW, none: 900mW 11: T-105℃: ambient temperature 105℃ none: normal ambient temperature
12: X: customer used code
Overview
After years of practice and exploration, we have gradually established a research and development system with the technology center as the main body, and the R & D team has gathered a large number of first-class technical talents in the product field at home and abroad. Serve the company's R & D, sales and after-sales service lines, and provide customers with solutions. We ensure product quality and safety to meet customers' consumption needs. Team spirit is the soul of an enterprise and the inexhaustible driving force for its sustainable development.
We are committed to accelerating product brand construction and expanding sales network. Our company culture itself is constantly innovating and developing, and the general recognition and active participation of employees are the characteristics of our company culture. We believe that as long as we continue to implement the company's core values, we will be able to achieve mutual benefit and win-win with customers and create a brilliant future!
2 Information diagram of 40 ampere pcb power relay
| Contact Rating | ||||
| Contact Form | 1A,1B,1C | |||
| Contact Material | AgCdO AgSnO2 | |||
| Contact Load Capacity | NB902 | NB902E | ||
| 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 | TUV | UL |
| Load | 30A/40A 240VAC 30VDC | 30A/40A 240VAC 30VDC | 30A/40A 277VAC 1.5HP 1HP 1/2 HP 240VAC TV-5 TV-15 |
| Coil Rating | ||||||||||||
| 900mw | 600mw | |||||||||||
| No. | Coil Voltage | Coil Resistance Ω±10% | Pick up (VDC) Max. (75% of Rated Voltage) | Drop out (VDC) Min.(10% of Rated Voltage) | No. | Coil Voltage | Coil Resistance Ω±10% | Pick up (VDC) Max. (75% of Rated Voltage) | Drop out (VDC) Min.(10% of Rated Voltage) | |||
| Rated | Max. | Rated | Max. | |||||||||
| 5 | 5 | 6.5 | 28 | 3.75 | 0.5 | 3 | 3 | 3.9 | 15 | 2.25 | 0.3 | |
| 6 | 6 | 7.8 | 40 | 4.5 | 0.6 | 5 | 5 | 6.5 | 42 | 3.75 | 0.5 | |
| 9 | 9 | 11.7 | 90 | 6.75 | 0.9 | 6 | 6 | 7.8 | 60 | 4.5 | 0.6 | |
| 12 | 12 | 15.6 | 160 | 9 | 1.2 | 9 | 9 | 11.7 | 135 | 6.75 | 0.9 | |
| 15 | 15 | 19.5 | 250 | 10.25 | 1.5 | 12 | 12 | 15.6 | 240 | 9 | 1.2 | |
| 18 | 18 | 23.4 | 360 | 13.5 | 1.8 | 15 | 15 | 19.5 | 375 | 10.25 | 1.5 | |
| 24 | 24 | 31.2 | 640 | 18 | 2.4 | 18 | 18 | 23.4 | 540 | 13.5 | 1.8 | |
| 48 | 48 | 62.4 | 2560 | 36 | 4.8 | 24 | 24 | 31.2 | 960 | 18 | 2.4 | |
| 110 | 110 | 143 | 13445 | 82.5 | 11 | 48 | 48 | 62.4 | 3840 | 36 | 4.8 | |
| 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.30.0g | ||
| Package | Sealed;Dust-proof type | ||
3 Size and circuitry of 40 ampere pcb power relay

Outline Dimensions

Bottom View Layout

Wiring Diagram(Bottom View)

Project Data
4.Frequently Asked Question
Q: Ningbo Baocheng accept OEM/ODM order?
A:Surely Baocheng accept OEM/ODM orders based on bulk quantity,what's more Baocheng own brand "Baocheng" itself,who has distributor all over the world
Q: Can I request to advance the shipment?
A: It should be depends on whether there is sufficient inventory in our warehouse.
We are adhering to rigorous process technology, inheriting the essence of the brand, using technological innovation and combining the company's independent innovation capabilities to create pure high-quality PCB Mounting Power Relay for Smart Meter. We strictly abide by the quality policy and assist in the implementation of continuous quality improvement. Since the products were put on the market, they have not only been loved and praised by domestic customers, but also exported to Southeast Asia and other countries and regions.
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