Eaton / Cutler-Hammer HLD3300 Molded Case Circuit Breaker
- 300A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer HLD3300 - 300A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for heavy-duty power distribution, the Eaton HLD3300 is a 3-pole, 300A molded case circuit breaker. It delivers dependable long-time and instantaneous (LI) overcurrent protection for commercial and industrial applications. The breaker is designed to mount into Eaton Series C panelboards, switchboards, and motor control centers. Featuring a fixed thermal-magnetic trip and a high interrupting capacity of 65 kAIC at 480VAC, this L-Frame MCCB ensures reliable system safety.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | HLD |
| Amperage | 300A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC, 25kA @ 250VDC |
| Frame Type | L |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | (2) 3/0 AWG - 350 kcmil |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Line and Load Terminals |
| Standards | HACR, NEMA AB 1, UL 489, IEC 60947-2 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, HACR Rated, Reverse Feed, Interchangeable Trip Unit |
Product FAQs
5 answersWhat equipment is the Eaton HLD3300 designed to fit?
This L-Frame breaker is engineered for installation in Eaton Series C panelboards, switchboards, and motor control centers.
What is the wire capacity for the HLD3300 lugs?
The standard feed-thru lugs accept two conductors per phase, accommodating wire sizes from 3/0 AWG up to 350 kcmil.
Is the HLD3300 suitable for direct current systems?
Yes, this thermal-magnetic breaker is rated for use in 250VDC systems, providing up to 25kAIC of interrupting capacity for DC applications.
Are the trip settings on the HLD3300 adjustable?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip functions are factory-set and cannot be adjusted in the field.
Does this breaker plug into a panelboard bus?
No, the HLD3300 is a unit-mount breaker. It must be bolted into place and hardwired using its feed-thru lug connections rather than plugging directly into a busbar.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
- WWWilliam W.Rated 5 out of 5 stars9/22/19Breaking up is hard to do
Great Buy ! Showroom condition. Shipped Fast !!!