Fast Track to a Quote
Certification | Testing
Factory CertifiedRefund guarantee
24h refund guaranteeSecure Payment
PayPal Verified
LW Power Supply PS-302D
Payment Methods

Need a Same-Day Quote?
Need help confirming model compatibility?
100% Original
Genuine OEM PartsFast Delivery
Shipped via FedEx / DHL / UPS12-Month Warranty
Worry-Free CoverageSecure Packaging
Safe & Reliable5,000+ Global Suppliers
Trusted by Professionals
Professional Model-Matching System
Send us your model numbers or nameplate details.
We will match your request with our 5,000+ verified suppliers and issue a quotation.
Cross-Reference Brands
Feature:
power supply linear
Signal channel output
Digital meter show the voltage and current values
Voltage/current adjust knob with rough and meticulous adjustable
Light and compact design
Deal for educational laboratories, safe for students to use
Constant voltage and constant current operation (C.C and C.V. can be converted automatically)
Low ripple and noise
Affordable and easy to operate
Have current limitation protection
Specifications:
[power supply linear]
Model: PS-302D
Input voltage: 220 V/110V+/-10% 50/60Hz (setting switch at the back)
Output voltage: 0-30V (actually we will make 0-32V for you)
Output current: 0-2A
Operating Temperature: 0 to 40 degree celsius
Relative humidity: <80%
Storage Temperature:-10 to 70 degree celsius
Relative humidity: <70%
Constant voltage state:
Voltage stability: <0.01%+3mV
Load stability :< 0.01%+5mV
Recovery time :< 100uS
Ripple & noise : <1.0mVrms
Temperature coefficient: < 300PPM/0C
Constant current state:
Current stability: < 0.2%+3mA
Load stability :< 0.2%+3mA
Ripple & noise :< 3mArms
Appearance size: length 285mm* width 128mm* height 145mm (excluding protruding parts)
Why Global Buyers Choose O&Kmarts
- Access to a wide range of SKUs across multiple brands and series
- One RFQ connects you to 5,000+ global supplier quotes
- Better availability for urgent and hard-to-find parts
- Faster global delivery via FedEx / DHL / UPS
- Easier access to rare and high-value models
- Flexible sourcing for individual parts or complete solutions
- Lower MOQs and more adaptable buying options
- Multi-brand procurement in one order
- OEM replacement and alternative model solutions available
- Fewer intermediaries, ensuring more competitive pricing
Why Global Buyers Choose O&Kmarts
- Limited to fast-moving SKUs only
- Limited local market availability
- Inventory frequently fails to meet urgent demand
- Long replenishment cycles, often taking weeks
- Rarely stock high-value compressors (e.g. Copeland YHV119)
- Frequently require bundled purchases
- Rigid and difficult MOQ negotiations
- Limited brand selection
- Minimal or no customization capability
- Higher local distribution and markup costs
Top Questions from OKmarts Buyers
Q: How are long-term component supply risks handled if our factory relies heavily on a specific part sourced from your platform?
A: We offer supply chain buffering and safety stock agreements for industrial clients. By sharing your annual procurement forecast, we can pre-allocate inventory in our warehouses to guarantee a continuous, predictable supply and protect your production lines from market shortages.
Q: Are the products listed on OKmarts sourced from the gray market or unauthorized liquidation stock?
A: No. Unlike surplus liquidation brokers who sell unpredictable, unvetted excess inventory, OKmarts builds strategic partnerships directly with active factory supply chains and authorized distribution channels. This ensures that every component is fully traceable, factory-fresh, and covered by standard manufacturer liability frameworks.
Q: How can a first-time international buyer verify that OKmarts is a legitimate entity and not a fraudulent website?
A: OKmarts operates under a legally registered corporate entity with verifiable business registration records, global tax compliance IDs, and physical warehouse infrastructure. We can provide corporate bank references, Dunn & Bradstreet (D-U-N-S) numbers, and customer references from established industrial firms in your region to validate our commercial legitimacy before you transfer funds.
Related Products
Q&A
Q: Are there customer reviews available for products?
A: Yes, we encourage customers to share their feedback and reviews on our platform. You can find customer reviews and ratings on the product pages, which provide valuable insights into the product's quality and performance.
Q: Does the platform have a shopping cart feature?
A: Yes, we offer a shopping cart feature where you can add multiple items for convenient one-time checkout or to compare prices and features of different products.
Q: How can I contact customer support for assistance?
A: You can easily reach our customer support team through various channels such as live chat, email, or phone. The contact information can be found on our website's footer or in your user account section. We're here to help you with any inquiries or issues you may have.







