The HW-14FT-2Z small relay is a DPDT miniature relay built for modern electronics. It features a durable coil design, stable contact performance, and a compact body that saves PCB space. Unlike larger relays, small relays allow engineers and manufacturers to achieve precise switching functions without increasing device size or power consumption.
This model is frequently used in low voltage circuits, automation boards, control panels, and smart home devices. Its versatility makes it one of the most popular choices for customers looking for micro relays for automation and electronics projects.
Model Description
| HW | 14F | Optional | Optional | P | L | T | VDC |
| ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ |
①Enterprise code: Hangwang Electric
②Serial number: 14F
③Number of contact groups: 2
④Contact form: (Z-conversion type H-normally open type D-normally closed contact)
⑤Mounted type: P: PCB mounted type No letters: plug-in mounted
⑥Operating state: L: LED indicate No letters: no indicate
⑦Auxiliary function: T -Cover plate type G-mechanical indicate D/CR-Inhibitory protection
⑧Coil voltage: (DC: direct voltage AC: alternating voltage)
Contact parameters
| Contact form | 2Z,2H,2D |
| Contact load | 8A |
| Maximum switching voltage | 277VAC 8A 30VDC 8A |
| Contact material | Silver alloy |
Operating Coils
| Rated voltage V | DC12V | DC24V | DC48V | DC110V |
| Rated current(+10%)mA | 44 | 22 | 11 | 4.8 |
| Coil resistance(+10%)Ω | 272 | 1090 | 4363 | 22916 |
| Rated power consumption W | 0.53W | |||
| 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 | AC24V | AC220V |
| Rated current(+10%)mA | 83.3 | 41.6 | 9 | 4.5 |
| Coil resistance(+10%)Ω | 50 | 202 | 4278 | 17111 |
| Rated power consumption W | 1.0VA | |||
| 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 | ≥10⁵ times |
| Mechanical life | ≥10⁶ times |
| Coil voltage | DC: 6-220V AC: 6-380V |
| Suction time | ≤20ms |
| Release time | ≤10ms |
| Between the same pole contacts | 1200VAC/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 | 28.8 × 12.7 ×27mm |
| Weight | About 20g |
Product Size and Installation
Key Features of the HW-14FT-2Z Small Relay
Compact PCB mount design – saves board space and supports high-density layouts.
DPDT contact configuration – provides more switching flexibility than SPDT relays.
High insulation resistance – ensures safe and reliable operation.
Energy-efficient coil – optimized for long-term performance with reduced power usage.
Durable construction – built with high-quality materials for extended lifecycle.
Advantages of Using Small Relays
Why choose small relays like the HW-14FT-2Z?
Miniaturization – ideal for space-limited projects where every millimeter counts.
Cost-effective – affordable solution compared to solid-state alternatives.
Flexibility – compatible with consumer electronics, IoT devices, and industrial automation.
Reliability – proven mechanical endurance and stable contact switching.
Global demand – widely used by industrial relay manufacturers, electronics suppliers, and automation companies.
Applications
Small relays play a vital role in everyday devices and advanced systems:
Consumer appliances – air conditioners, microwaves, smart home controllers.
Industrial control – PLC modules, automation panels, test equipment.
Electronics projects – Arduino boards, Raspberry Pi relay modules, DIY kits.
Medical devices – compact healthcare equipment with low voltage control.
Automotive systems – used as micro relays in car electronics.
With the HW-14FT-2Z, customers can find a compact relay solution that adapts to both low-voltage electronics and industrial control requirements.
Installation & Maintenance
Installing the HW-14FT-2Z small relay is straightforward:
Confirm the coil voltage (5V, 12V, or 24V depending on model).
Mount securely on the PCB board.
Solder carefully to avoid overheating the relay.
Test functionality before integrating into the full system.
Maintenance is minimal. Small relays require periodic inspection for solder integrity and clean contact points, but no internal servicing is needed.
How to Choose the Right Small Relay
When selecting small relays for your project, consider:
Coil voltage compatibility – match with system design.
Contact type (SPDT or DPDT) – based on switching requirements.
Load capacity – ensure the relay supports your voltage and current needs.
Mounting style – choose PCB mount for compact electronics or socket mount for quick replacements.
Supplier reliability – source from trusted relay manufacturers to ensure consistent quality.
The HW-14FT-2Z stands out as a strong option for engineers who need a reliable miniature DPDT relay with wide application potential.
FAQ – Small Relays
Q1: What are small relays used for?
A: Small relays are mainly used in electronics, automation, home appliances, and industrial control boards.
Q2: Is the HW-14FT-2Z relay suitable for Arduino?
A: Yes, it is widely used in Arduino relay modules and Raspberry Pi projects.
Q3: What makes DPDT small relays different from SPDT relays?
A: DPDT offers two switching paths, providing more circuit flexibility.
Q4: Can small relays handle industrial applications?
A: Yes, compact relays like the HW-14FT-2Z are commonly used in automation panels and control systems.
Q5: Why choose miniature relays over solid-state relays?
A: Small electromagnetic relays are cost-effective, versatile, and reliable for both signal and load switching.
