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50 Ampere Flange Cover Relay
1. Product Presentation of 50 ampere flange cover relay Product Features ◆High load switching capability 50A ◆2500VAC/4000VAC 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...
Description
1. Product Presentation of 50 ampere flange cover relay
Product Features
◆High load switching capability 50A
◆2500VAC/4000VAC 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: 50.2*27*28mm & 32*27.2*20mm
◆ It Can replace Omron's similar relay with model No. G7G/G8P
◆ It Can replace Hongfa's similar relay with model No. HF105F-4
Definition way: see following introduction pls.
| NB903 | -12 | S | -S | -A | L | T-105℃ | Φ3.1 | X |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
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1: Relay Model 2: Coil rated voltage 3: package S: Sealed, D: dust proof.
4: Contact Material: S:AgSnO2 C:AgCdO 5: Contact Form: A:Normally Open B:Normally Close C:SPDT(NO&NC)
6: L: Height of shell 20.5mm None:Height of shell 28.5mm 7: T-105℃: ambient temperature 105℃ none: normal ambient temperature
8: Φ3.1: Quick terminal hole dia. 3.1mm None: Quick terminal hole dia. 1.6mm 9: X: customer used code
2. Information sheet of 50 ampere flange cover relay
Contact Rating | ||
Contact Form | 1A,1B,1C | |
Contact Material | AgCdO AgSnO2 | |
Contact Load Capacity | NB903 | |
| NO: 50A/240VAC,30VDC 50A 277VAC 40A 240VAC, 30VDC, TV-15 NC: 40A 277VAC | ||
Switching Power Max. | 12000VA | |
Switching Voltage Max. | 30VDC/277VAC | |
Switching Current Max. | 50A | |
Contact Resistance Max. | 50mΩ(1A ,24VDC) | |
Life expectancy | Electrical | 105
|
Machanical | 10 7 | |
Safety Certification | |||
Approval | CQC | TUV | UL |
Load | NO/NC:50/40A 240VAC 30VDC | 40A 240VAC 30VDC | NO/NC:50/40A 277VAC TV-15 |
Coil Rating | |||||||||||
900mw | 1200mw | ||||||||||
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. | ||||||||
005 | 5 | 6.5 | 28 | 3.75 | 0.5 | 005 | 5 | 6.5 | 28 | 3.75 | 0.5 |
006 | 6 | 7.8 | 40 | 4.50 | 0.6 | 006 | 6 | 7.8 | 40 | 4.50 | 0.6 |
009 | 9 | 11.7 | 90 | 6.75 | 0.9 | 009 | 9 | 11.7 | 90 | 6.75 | 0.9 |
012 | 12 | 15.6 | 160 | 9.00 | 1.2 | 012 | 12 | 15.6 | 160 | 9.00 | 1.2 |
015 | 15 | 19.5 | 250 | 10.25 | 1.5 | 015 | 15 | 19.5 | 250 | 10.25 | 1.5 |
018 | 18 | 23.4 | 360 | 13.50 | 1.8 | 018 | 18 | 23.4 | 360 | 13.50 | 1.8 |
024 | 24 | 31.2 | 640 | 18.00 | 2.4 | 024 | 24 | 31.2 | 640 | 18.00 | 2.4 |
048 | 48 | 62.4 | 2560 | 36.00 | 4.8 | 048 | 48 | 62.4 | 2560 | 36.00 | 4.8 |
110 | 110 | 143 | 13445 | 82.50 | 11 | 110 | 110 | 143 | 13445 | 82.50 | 11 |
Technical Rating | |||
Insulation Resistance | Min.1000MΩ(500VDC) | IEC 60255-5 | |
Dielectric Strength | Between Contacts | 1500VAC, 50/60Hz 1min | IEC 60255-5 |
Between Coil&Contact | 2500VAC/4000VAC 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℃ | |
Relative Humidity | 85% RH , 40℃ | IEC 68-2-3 test Ca | |
Weight | Approx.33.0g | ||
Package | Sealed;Dust-proof type | ||
3. Size and electrocircuit of 50 ampere flange cover relay
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| Outline Dimensions |
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| TOP View Layout |
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Wiring Diagram(Bottom View) |
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Engineering Data |
4. Frequently Asked Question
Q: Can we cooperate with Baocheng ask for agent or exclusive agency?
A: It depend on your annual order quantity and other condition, we can talk together.
Q: Are there any special requirements for OEM purchases?
A. Yes, we require proof of trademark registration in order to print or emboss your trademark onto the product or packaging.
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