It is used to isolate low-power control signals from higher-power circuits and is commonly applied in industrial controls, motor control, HVAC systems, lighting, heating equipment, robotics, and control panels.
For buyers seeking a China manufacturer, factory, supplier, exporter, or distributor, this model is well suited to bulk procurement, panel integration, and project-based sourcing, while the wider JQX-38F-3Z family is commonly offered with multiple coil-voltage options and OEM/ODM support for custom or private-label programs.
Product features:
- Heavy-duty 40A switching capacity for demanding control tasks.
- 3-contact design for more flexible switching logic in equipment and panels.
- PCB-mountable structure that supports compact assembly and stable installation.
- Available family options include multiple AC/DC coil voltages for broader sourcing and application needs.
Model Description
| HW | 38F | 3 | Optional | P | D | VDC |
| ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ |
①Enterprise code: Hangwang Electric
②Serial number: 38F
③Number of contact groups: 3
④Contact form: (Z-conversion type H-normally open type D-normally closed contact)
⑤Mounted type: P: PCB mounted type No letters: plug-in mounted
⑥Auxiliary function: D/CR-Inhibitory protection
⑦Coil voltage: (DC: direct voltage AC: alternating voltage)
Contact parameters
| Contact form | 3Z,3H,3D |
| Contact load | 40A |
| Maximum switching voltage | 28VAC 40A 240VDC 40A |
| Contact material | Silver alloy |
Operating Coils
| Rated voltage V | DC12V | DC24V | DC110V | DC220V |
| Rated current(+10%)mA | 208 | 83.3 | 22.7 | 11.3 |
| Coil resistance(+10%)Ω | 57.6 | 104 | 4846 | 19469 |
| Rated power consumption W | 1.5W | |||
| Pick-up voltage（max）V | Less than 75% | |||
| Drop-out voltage (min) V | 10% or more | |||
| Allowable voltage(max) V | Rated voltage ×110% | |||
| Rated voltage V | AC12V | AC24V | AC110V | AC220V |
| Rated current(+10%)mA | 500 | 250 | 54.5 | 27.2 |
| Coil resistance(+10%)Ω | 8.4 | 33.6 | 706 | 2830 |
| Rated power consumption W | 2.5VA | |||
| Pick-up voltage（max）V | Less than 80% | |||
| Drop-out voltage (min) V | 30% or more | |||
| Allowable voltage(max) V | Rated voltage ×110% | |||
Product Technical Parameters
| Contact resistance | ≤100mΩ |
| Electrical life | ≥5×10⁴times |
| Mechanical life | ≥1×10⁶ times |
| Coil voltage | DC: 6-220V AC: 6-380V |
| Suction time | ≤25ms |
| Release time | ≤15ms |
| Between the same pole contacts | 1000VAC/1min(Leakage current 1mA) |
| Between opposite pole contacts | 1500VAC/1min(Leakage current 1mA) |
| Between contact and coil | 2500VAC/1min(Leakage current 1mA) |
| Insulation resistance | ≥100MΩ(500VDC) |
| Ambient temperature | -25°C ~ +55°C |
| Ambient humidity | 35% ~ 80%RH |
| Atmospheric pressure | 86 ~ 106KPa |
| Impact resistance | 10G (Sine wave half pulse: 11ms) |
| Vibration resistance | 10-55Hz (Double amplitude: 1.5mm) |
| Dimensions | 55.5 × 38.2×42mm |
| Weight | About 130g |
Product Size and Installation
FAQ
What is the HW-38F-3Z-P relay accessory power product mainly used for?
It is mainly used for switching and controlling higher-power loads through lower-power control circuits in applications such as industrial controls, HVAC, motor control, lighting, heating, robotics, and electrical panels.
What contact form and load capacity does this relay offer?
Public references for the HW/JQX-38F-3Z type show a 3PDT configuration with contact capacity up to 40A at 250VAC or 28VDC under resistive load conditions.
Is this model suitable for distributors, contractors, and panel builders needing PCB installation?
Yes. The JQX-38F series includes PCB terminal versions, which makes this type practical for equipment assembly, panel production, and electrical integration work.
Can a manufacturer or supplier provide OEM, ODM, or private-label service for this relay accessory power model?
Chinese relay factories and suppliers commonly support OEM, ODM, branding, packaging customization, and large-volume export programs for B2B customers
What coil voltages are commonly available in this relay family for wholesale or project sourcing?
Public JQX-38F-3Z listings show AC/DC coil options including 6V, 12V, 24V, 36V, 48V, 110V, and 220V, with some versions also listing 380VAC.
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