We source directly from Eaton - 100% genuine, new-in-box certified parts.
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Eaton / Cutler-Hammer
90A, 3P, trip unit, fixed thermal & adjustable magnetic, CSA
The Eaton JT3090FA is a molded case circuit breaker trip unit from the Series G family, designed for integration into J-K frame breakers. This 3-pole unit is rated for 90 A and supports systems up to 600 V. It features fixed long-time (thermal) and adjustable instantaneous (magnetic) protection functions. Compact in design, the JT3090FA offers robust overload and short-circuit protection for industrial and commercial applications. CSA approved, it is a reliable accessory for Eaton's molded case circuit breakers.
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton |
|---|---|
| Model | JT3090FA |
| Series | Series G |
| Product Type | Thermal-Magnetic Trip Unit |
| Frame Size | JG |
| Compatible Breaker Frame | J-K Frame |
| Amperage | 90 A |
| Poles | 3-pole |
| Protection Type | Thermal-Magnetic |
| Protection Functions | LI – Long-Time and Instantaneous |
| Magnetic Trip Range | 450–900 A |
| Voltage Rating | 600 V AC (NEMA), 415 V AC (IEC) |
|---|---|
| Insulation Voltage (Ui) | 750 V AC |
| Impulse Withstand Voltage (Uimp) | 8 kV (main), 4 kV (aux) |
| Operating Temperature Range | -20°C to +70°C |
| Trip Type | Fixed Thermal, Adjustable Magnetic |
| Conductor Size Range (Solid/Stranded) | 50–150 mm² |
| Tightening Torque (Main) | 20 Nm |
| Short-Circuit Capacity (DC @ 250 V) | 42 kA (2 poles in series) |
| Auxiliary Voltage Rating | 230/400/600 V AC; 125/250 V DC |
| Auxiliary Current Rating | 6/3/0.25 A (AC), 0.5/0.15 A (DC) |
| Endurance (Operating Cycles) | 10,000 operations |
| Switching Frequency | 240 operations/hour |
| Dimensions (HxWxD) | 2.75 × 4.13 × 3.57 in |
| Weight | 1.0 lb |
| Certifications | CSA Approved, IEC 60947-2 |
Doing business with KM Parts has been a game-changer for our company. Their vast inventory and prompt same-day shipping have significantly minimized our downtime. The team's expertise and willingness to go the extra mile have made them an invaluable partner in our industrial automation needs.
We only sell authorized Eaton/Moeller parts. No knock-offs, no used parts, all warrantied. As the largest authorized stocking USA distributor representing Eaton/Moeller, we’re here to help your company run smoothly, with the best parts available, at competitive pricing, and with minimal downtime.
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