
// Model Specifications
WJD501R Compact PTC Heater Specifications
Review this model's specifications and prepare an inquiry with Wanjiada.
A compact PTC unit shown in blue and white source views. The WJD501R record distinguishes product size, inner-box dimensions and single-item weights.
- 500 W
- Heating power
- 220 V / 50 Hz
- Listed supply
- PTC
- Heating mode
Model selection checklist
Start with electrical compatibility and the intended heating requirement.
- Supply and power settings
- Review voltage and wattage. Confirm frequency and plug configuration for the destination market.
- Instructions and safety evidence
- Ask for exact-model operating instructions and required compliance documents; no generic protective-function claim is assumed.
// Model Parameters
Technical specifications
| Model | WJD501R |
|---|---|
| Heating mode | PTC |
| Listed voltage / frequency | 220 V / 50 Hz |
| Heating power | 500 W |
| Product dimensions (L × W × H) | 100 × 65 × 175 mm |
| Single-item inner box dimensions | 133 × 80 × 190 mm |
| Net weight (single item) | 0.4 kg |
| Gross weight (single-item inner box) | 0.48 kg |
Imperial measurements are approximate conversions. Packaging and final configuration are confirmed with the order.

Applications and compatibility
Compare the compact heater's footprint with your intended space. Obtain placement and clearance instructions; no room-coverage or wall-mounting rating is supplied.
Listed supply: 220 V / 50 Hz. Confirm plug, cable and operating instructions; no noise, energy-saving or safety-performance rating is established here.
Documents and ordering
Confirm colour, plug, package contents, MOQ, sample availability and charges, production lead time and delivery schedule with Wanjiada.
Before you place an order
- Model and market documents
- Request exact-model documents for your destination.
- Minimum order and samples
- Confirm MOQ, sample availability and charges.
- Packaging and delivery
- Agree packing, quantity and schedule in the quote.
// Model & Project Inquiries
Tell us which model you need
Ask about model selection, an order, OEM/ODM customization or a separate plastic molding project.

Files for your inquiry
Send supporting files separately to wanjiada@gdboost.com. Include the same model or project reference as your form submission.
- Model-selection information
- A photograph or layout of the intended space, its dimensions and the available electrical supply can help explain the requirement.
- Order or customization references
- Email any model list, packaging artwork or drawing relevant to your inquiry, using the same name and project reference.