I. Features
1. Contact Form: Provides one normally open and one changeover contact form to meet different circuit design requirements.
2. Installation Characteristics: Uses standard printed circuit board pins for easy PCB mounting, suitable for automated assembly processes;
3. Packaging Options: Two packaging options are available: plastic-sealed and solder-resistant, to suit different environmental requirements.
4. Core Structure: Uses a single-coil or double-coil magnetic latching structure to ensure long-term state retention after power failure.
II. Core Functions and Applicable Scenarios
1. Core Function: Achieves zero-power circuit switching, provides automatic switching and signal isolation, and maintains the current state after the control power is switched off, suitable for long-term holding applications.
2. Smart Grid Field: Applicable to scenarios such as electricity metering and remote control switches, enabling low-power, precise control;
3. New Energy Field: Can be used in new energy equipment such as solar inverters, ensuring a stable circuit state.
4. Industrial and Home Fields: Suitable for industrial automation, smart homes, lighting control, and other scenarios;
5. Instrumentation Field: Applicable to the circuit control links of various instruments and meters. III. Utilizing Core Advantages
1. Zero Power Consumption Advantage: Maintains the current state after a power failure, achieving zero power consumption switching, suitable for low-power applications.
2. High Contact Switching Capacity: 15A contact switching load, suitable for medium and high-power control needs;
3. Flexible Installation and Selection: Ultra-small size, standard PCB pins, and multiple package options, suitable for dense installation and different environments;
4. Environmental Compliance: Complies with RoHS standards, meeting the requirements for environmentally friendly products;
5. Strong Scene Specificity: Particularly suitable for remote control and long-term maintenance scenarios, with outstanding versatility and practicality.
Contact Parameters
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Contact Configuration
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1A
|
1C
|
|
Contact Resistance
|
100mΩ (1A 6VDC)
|
|
Contact Material
|
AgSnO₂, AgCdO
|
|
Contact Load (Resistive)
|
10A 277VAC/28VDC
|
|
Maximum Switching Voltage
|
277VAC / 30VDC
|
|
Maximum Switching Current
|
15A
|
10A
|
|
Maximum Switching Power
|
2500VA
|
|
Mechanical Durability
|
1×10⁷ cycles
|
|
Electrical Durability
|
5×10⁴ cycles
|
|
Parameter
|
Specification
|
|
Insulation Resistance
|
100MΩ (500VDC)
|
|
Dielectric Withstand Voltage
|
Between Contact and Coil
|
1500VAC for 1min
|
|
Between Open Contacts
|
750VAC for 1min
|
|
Operate Time (at rated voltage)
|
≤5ms
|
|
Release Time (at rated voltage)
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≤5ms
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|
Shock
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Stability
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100m/s² (10g)
|
|
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Strength
|
1000m/s² (100g)
|
|
Vibration
|
10Hz~55Hz, 1.5mm double amplitude
|
|
Humidity
|
35%~85% RH
|
|
Temperature Range
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-40°C ~ 85°C
|
|
Terminal Type
|
PCB type
|
|
Weight
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Approximately 10g
|
|
Packaging Type
|
Plastic-sealed type, solder-resistant type
|
Notes:
(1) All the above values are initial values;
Shengyuan Relay
Coil Parameters
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Rated Coil Power
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Single Coil ≤550mW
|
|
Dual Coil ≤750mW
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Coil Specification Table 23℃
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Rated Voltage (VDC)
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Set/Reset Voltage (VDC)
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Pulse Width (ms)
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Dual Coil Resistance (Ω±10%)
|
Single Coil Resistance (Ω±10%)
|
|
5
|
≤3.80
|
≥50
|
47/47
|
45
|
|
6
|
≤4.50
|
≥50
|
100/100
|
100
|
|
9
|
≤6.80
|
≥50
|
227/237
|
225
|
|
12
|
≤9.00
|
≥50
|
193/305
|
310
|
|
18
|
≤13.5
|
≥50
|
900/900
|
900
|
|
24
|
≤18.0
|
≥50
|
1060/1370
|
1160
|
Safety Certifications
|
CQC
|
1A
|
10A 250VAC
15A 125VAC
10A 28VDC
|
|
1C
|
10A 250VAC
10A 28VDC
|
|
TUV
|
1A
|
7.5A 250VAC cos phi=1
7.5A 14VDC L/R=0ms
|
|
1C
|
7.5A 250VAC cos phi=1
7.5A 14VDC L/R=0ms
|
Ordering mark example
Relay model(1)CYA
Coil voltage 3 5 6 9 12 18 24 48VDC
Contact form 1A: One set of normally open 1C: One set of switching
Coil form 1S: single coil 2S: double coil
Contact material T: AgSnO2, None: AgCdO
Remarks: (1) In an environment containing harmful gases such as H2S, SO2, NO2, etc., it is recommended to use plastic-sealed products, and please conduct tests and confirmation in actual use; when overall cleaning is not required, it is recommended
It is recommended to give priority to flux-resistant products;
(2) This product is an environmentally friendly product. Please mark the corresponding feature number when ordering, where (551) indicates RoHS compliance (contacts contain cadmium), and (555) indicates RoHS compliance (contacts do not contain cadmium).
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