OPTOTRONIC OTi 55W 120-277 2A0 DIM-1 AUX Constant Current Programmable Compact LED Driver (*2743W4 / 57357)
OPTOTRONIC OTi 55W 120-277 2A0 DIM-1 AUX Constant Current Programmable Compact LED Driver (*2743W4 / 57357)
OPTOTRONIC OTi 55W 120-277 2A0 DIM-1 AUX Constant Current Programmable Compact LED Driver (*2743W4 / 57357)
Product Overview
- 55W Programmable LED Driver in Compact Housing – Set output current from 700mA to 2000mA (1mA steps), with a 1000mA default. Ideal for office and retail lighting: downlights, troffers, wall wash, and in-grade fixtures.
- Smooth Dimming to 1% with Dim-to-Off – Provides architectural-grade dimming via isolated 0–10V interface. Includes synchronized ON/OFF timing, soft start, and full dimming interface protection.
- Offline Programmable with OEM Features – Configure without AC power. Features include Constant Lumen Maintenance, End-of-Life Indication, and LED Thermal Foldback at 100ºC for long-term reliability.
- 12V, 20V, 24V AUX Output Support – Optional auxiliary output powers sensors or control accessories. Perfect for integrating advanced lighting control components.
- Compact, Compliant, and Easy to Install – Standard 5.0" x 2.4" x 1.1" housing with universal 120–277V input. UL Class 2 output, UL Listed (E333135), FCC Class A, IP20 rated, dry & damp location approved.
| Brand: | eldoLED |
|---|---|
| Color: | White |
| Manufacturer: | eldoLED |
| Part Number: | J43RDLZ |
| Isin: | IURJ3BIIW6CZ |
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Product Overview
- 55W Programmable LED Driver in Compact Housing – Set output current from 700mA to 2000mA (1mA steps), with a 1000mA default. Ideal for office and retail lighting: downlights, troffers, wall wash, and in-grade fixtures.
- Smooth Dimming to 1% with Dim-to-Off – Provides architectural-grade dimming via isolated 0–10V interface. Includes synchronized ON/OFF timing, soft start, and full dimming interface protection.
- Offline Programmable with OEM Features – Configure without AC power. Features include Constant Lumen Maintenance, End-of-Life Indication, and LED Thermal Foldback at 100ºC for long-term reliability.
- 12V, 20V, 24V AUX Output Support – Optional auxiliary output powers sensors or control accessories. Perfect for integrating advanced lighting control components.
- Compact, Compliant, and Easy to Install – Standard 5.0" x 2.4" x 1.1" housing with universal 120–277V input. UL Class 2 output, UL Listed (E333135), FCC Class A, IP20 rated, dry & damp location approved.
| Brand: | eldoLED |
|---|---|
| Color: | White |
| Manufacturer: | eldoLED |
| Part Number: | J43RDLZ |
| Isin: | IURJ3BIIW6CZ |
OPTOTRONIC OTi 55W 120-277 2A0 DIM-1 AUX Constant Current Programmable Compact LED Driver (*2743W4 / 57357)
The OPTOTRONIC OTi 55W 120-277 indoor compact programmable LED drivers are exclusive to North America. All of these highly efficient constant current drivers dim to 1% with unique architectural grade features—such as Dim to Off, Vaux Output and Synchronized ON/OFF Timing—to meet the tough demands of your lighting projects. Our 55W compact LED drivers’ programmable output current range (700-2000mA)—coupled with their universal input voltage range (120-277V)—provides you with a highly efficient and flexible drive solution for indoor lighting. Perfect for downlights, in-grade fixtures, recessed troffer and wall wash lighting for your office and retail applications.Features:
- Architectural-grade features include: True 1% dimming, Synchronized ON/OFF and dimming control, DIM to OFF, Dimming interface protection
- Custom programmable with 1mA resolution to perfectly match LED load and maximize performance
- Integrated OEM programmable features include: Constant lumen maintenance, End-of-life indication, LED thermal protection, Soft start
- Programming does not require powering up or connecting the power supply to AC line voltage
- Available optional auxiliary output to power 12V, 20V, and 24V low power applications
- Familiar standard industry housing – 5.0" x 2.4" x 1.1" (L x W x H)
- Wide output current and voltage range
- Universal Input Voltage: 120-277Vac 50/60Hz, 347Vac 50/60Hz
- UL Class 2 output for safe operation
Specifications:
- Ambient Operating Temperature: -30ºC to 45ºC
- Max. Case Temperature (Tc): 90ºC Max, 75 ºC (50kHrs)
- Max. Storage Temp: 75ºC
- Max. Relative Humidity (%): 85% non-condensing
- Transient Protection: NEMA SSL 1 - 2010, Non-Roadway 2.5KV
- UL Environmental Rating: Dry & Damp
- UL File number: E333135
- IP Rating: IP20
- EMI Compliance: FCC Part 15 Class A
- Sound Rating: Class A
Input:
- Input Voltage (VAC): 120V-277V (+/- 10%)
- Frequency Range (Hz): 50 – 60 Hz (+/- 5%)
Output:
- Output Current (mA): 700-2000mA (1mA step), 1000mA default
- Output Voltage (VDC): 10-55VDC
- Output Ripple Current: <20% @ 2000mA
- Max. Output Power (W): 55W³
- LED Power-Up Time: < 0.5sec CA T-24 Compliant
- Load Regulation: <3%
- Line Regulation: <3%
- Over Voltage Protection: Yes, non-latching
- Over Load Protection: Yes, non-latching
- Output Short-Circuit Protection: Yes, non-latching
- Over Temperature Protection: Foldback to 50% at 100ºC
Dimming:
- Dimming Control: 0 – 10V (Isolated)
- Dimming Range: 1-100%
- Dimming Type: Current Reduction
- Dimming Input Isolation: 2.5kV
- Source/Sink Current: 0.2mA (max)
- Dim-to-Off OFF/ON: 0.7V/1V
- Dim-to-Off Standby Power: < 1W
- Dimming Interface Protection: Yes, 120-277Vac
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
| Shipping Method | Estimated Delivery | Cost |
|---|---|---|
| Free Shipping (US) | 5–10 business days | Free, available on eligible items |
| Standard Shipping (US to US by Item) | 5–10 business days | $5.95 for the first item, $3.00 each additional |
| Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $5.95, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
| Extended Delivery (Ships from Overseas Warehouse) | 10–20 business days | $14.50 for the first item, $2.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
- Email: support@ibspot.com
- Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
- The item must be unused, in the same condition as received, and in its original packaging.
- A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
- Perishable goods (for example, food, flowers, newspapers, magazines)
- Intimate or sanitary goods
- Hazardous materials or flammable liquids/gases
- Gift cards
- Downloadable software
- Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
- Books with obvious signs of use
- Opened CDs, DVDs, software, or vinyl records
- Items not in their original condition, damaged, or missing parts not due to our error
- Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We will provide a free return shipping label.
If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
- In-store returns are refunded to the original form of payment or issued as a gift card.
- Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
- 5–7 business days for the return to reach our Returns Center.
- An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
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