Square D RJF36160U41A Molded Case Circuit Breaker
- 1600A
- 3 Pole
- Unit Mount
Quantity
Square D RJF36160U41A - 1600A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Delivering 1600A of capacity, the RJF36160U41A is a high-amperage PowerPacT R-Frame breaker optimized for commercial facilities requiring precise microprocessor-based sensing. The 3-pole, 600VAC unit-mount configuration ensures proper fitment within Square D Power-Style switchboards and QED switchboards. It includes a Micrologic 3.0A trip unit with an ammeter, providing adjustable LI functions. The breaker is 80% rated and delivers 65kAIC at 480V.Specifications
| Brand | Square D |
|---|---|
| Series | RJF |
| Amperage | 1600A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 640-1600A |
|---|
| Frame Type | R |
|---|---|
| Terminal Type | Busbar Connection |
| For Use With | QED Switchboards, Model 6 Motor Control Centers, Power-Style Switchboards |
| Wire Gauge | 3/0 AWG to 750 kcmil, Aluminum/Copper |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 3.0A |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Lug Kits, Communication Module |
|---|---|
| Accessories | Lugs Not Included, Micrologic 3.0A Trip Unit (Factory Installed) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, 80% Rated, True RMS Sensing |
Product FAQs
5 answersDoes the RJF36160U41A include lugs for cable connection?
No, this unit mount breaker does not include lugs. It is configured for a bolt-on busbar connection out of the box. If your installation requires cable connections, you must source the appropriate R-frame lug kits separately.
What does the U41A suffix indicate on this Square D breaker?
The U41A suffix designates a MicroLogic 3.0A electronic trip unit. This specific trip unit provides adjustable Long-Time and Instantaneous (LI) protection and includes an integrated ammeter for local current monitoring.
Does the RJF36160U41A plug into an I-Line panelboard?
No, this is a unit mount breaker designed for direct bolt-on busbar connections. It is not compatible with I-Line distribution panels, which require a different mounting bracket configuration.
Can the trip settings on the RJF36160U41A be adjusted in the field?
Yes, the MicroLogic 3.0A electronic trip unit allows licensed electricians to adjust the Long-Time and Instantaneous trip functions to coordinate with specific system loads and fault current calculations.
What safety advantage does the integrated ammeter provide?
The ammeter on the MicroLogic 3.0A trip unit allows facility personnel to monitor real-time phase currents. This helps identify unbalanced loads or potential overloads before they exceed the breaker limits and cause an unexpected power outage.
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