 
						 
					ECB NEMA-3R
| Panel Type | Description | 
|---|---|
| ECB NEMA-3R | Built to NEMA 3R standards, these panels provide protection against falling dirt, rain, sleet, and external ice formation, making them suitable for outdoor installations. | 
| Specification | Description | 
|---|---|
| Enclosure Type | ECB NEMA-3R | 
| Application | Suitable for outdoor installations | 
| Protection | Against falling dirt, rain, sleet, and external ice formation | 
| Design | Modular design for easy expansion and configuration | 
| Enclosure Feature | Gasketed enclosure for weather resistance | 
Technical Data
| General Information | |
| Product Name: | Panelboard ‑ NEMA Type 3R | 
| Standards: | UL 67, CSA C22.2 No. 29, NEMA PB-1 | 
| Enclosure Type: | NEMA 3R – Outdoor / Weather Resistant | 
| Mounting Type: | Surface Mount Only | 
| Application: | Outdoor Lighting and Power Distribution | 
| Main Type: | Main Lug / Main Breaker | 
| Panel Type: | Power / Lighting Distribution Panelboard | 
| Voltage Rating: | 120/240 V 1Φ 3W, 208Y/120 V 3Φ 4W, 480Y/277 V 3Φ 4W | 
| Bus Rating: | 100 A to 600 A | 
| Short Circuit Rating: | Up to 65 kAIC (breaker-dependent) | 
| Electrical Specifications | |
| Maximum Voltage: | 600 V AC | 
| Bus Material: | Electrolytic Copper (CU) (99.9 % purity) | 
| Main Breaker Frame Size: | Up to 600 A (depends on configuration) | 
| Branch Breaker Types: | Bolt-on | 
| Breaker Pole Options: | 1P, 2P, 3P | 
| Neutral: | Full-sized, insulated & isolated | 
| Ground Bar: | Optional | 
| Mechanical Specifications | |
| Enclosure Material: | 16–14 Gauge Steel | 
| Finish: | UV‑Resistant Baked Powder Coat (ANSI Gray 61 or Custom) | 
| Door: | Hinged Front Cover with Locking Provision and Drip Shield | 
| Knockouts: | Factory‑stamped for Conduit Entry – Rain‑Tight Seals | 
| Drainage: | Drip shield & weep holes (factory or field installed) | 
| Dimensions: | Varies by model | 
| Weight: | Approx. 50–110 lbs (depends on configuration/material) | 
| Environmental Condition | |
| NEMA Rating: | Type 3 – Rainproof, Ice‑Resistant, Outdoor Suitable | 
| Ambient Temperature: | ‑20 °C to +40 °C (without derating) | 
| Storage Temperature: | ‑30 °C to +70 °C | 
| Relative Humidity: | 5 % to 95 % (non‑condensing) | 
| Altitude: | ≤ 2000 m (no derating) | 
| Ingress Protection: | Drip Shielded, Ice‑Resistant Design | 
Available Accessories include: surge protection devices, sub-feed and feed-through lugs, ground and neutral bars, circuit directory labels, and keyed door locks for enhanced safety and system organization. Optional features such as metering sections, shunt trip breakers, and top/bottom feed conversions provide flexibility for a wide range of applications, including utility, commercial, and outdoor installations.
 
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