Electrical Circuit Breaker

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Explosionproof Circuit Breakers

Enclosure Sizes Size 1 (15A-100A); size 2 (125A-200A); size 3 (225A-500A)
Electrical Rating 3 poles, 600 VAC
Breaker Trip Ranges 15A-500A, thermal magnetic (standard); electronic (optional)
Materials Body/cover – copper-free aluminum; clamp – anodized copper-free aluminum; external hardware – stainless steel; internal parts – galvanized steel
Temperature Range -25°C to 40°C (standard); -50°C to 40°C (optional); -25°C to 60°C (optional)
Enclosure AIC Rating 10kAIC at 600V (standard); 65kAIC at 480V and 35kAIC at 600V (optional)

The world's only clamped enclosure for hazardous areas.

One of the biggest challenges with enclosures located in hazardous areas is accessibility. To access internal components for preventative maintenance or troubleshooting, up to 70 bolts have to be loosened and then retightened, leading to extended periods of downtime and safety risks due to improperly torqued or missing bolts.

The clamped EBMX enclosure utilizes patented clamping technology to reduce downtime, increase safety and lower maintenance costs.

Applications:

Harsh and hazardous motor control environments, including refineries, chemical and petrochemical plants, corrosive process facilities, food and beverage, marine and mining
For service entrance, feeder or branch circuit protection for lighting, heating, appliance and motor circuits

FEATURES

Patented clamped enclosure design reduces opportunity for missing, stripped or broken bolts
Simple clamp actuation for user-friendly access to enter enclosure
65kAIC at 480V enclosure rating for high interrupting capacity applications
-50C to +60C temperature range for extreme environments
Thermal magnetic and electronic break trip option for short circuit and overcurrent protection
Side operated handle provides visual confirmation of proper operator alignment while cover is open and can be padlocked in either "ON" or "OFF" positions for OSHA compliance
Neoprene cover gasket provides NEMA 4X protection for hose down applications
Maximum wiring room compliance with National Electrical Code requirements allows for easy and safe installation
Rugged, corrosion-resistant, cast copper-free aluminum construction provides NEMA 4X protection
Semi-clamshell enclosure design, with an external flanged ground joint between body and cover, provides increased access to interior components
Minimum enclosure-to-enclosure spacing with little interference between the opened cover and adjacent enclosure
Pre-drilled mounting plate for simple breaker installation
Detachable tap-on mounting feet
Steel brackets supplied standard for lifting during installation
Bodies have top and bottom drilled and tapped entries for power and control conduits; removable reducers are supplied standard to accommodate smaller size conduits; all conduit entries are plugged