The new Schneider NSC60E3060 molded case circuit breaker delivers robust 60A protection for residential and light commercial installations. With the part number NSC 60E 3060, this device combines proven Schneider engineering with clear status indicators and reliable tripping characteristics.
This article outlines key electrical, mechanical, and application details for the NSC60E3060. You will find specification highlights, installation considerations, and practical answers to common field questions.
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Rated Current | 60 | A | Standard breaking capacity at 480Vac |
| Poles | 3 | / | Three-pole for three-phase systems |
| Voltage Range | 400 | Vac | Typical application voltage |
| Tripping Curve | B | / | Magnetic setpoint suitable for general-purpose loads |
| Mounting Type | DIN | rail | 35 mm rail compatible with standard panels |
Electrical Performance and Ratings
Continuous Current and Short Circuit Protection
The NSC60E3060 is rated for 60A of continuous current, making it suitable for feeders and branch circuits where sustained loads stay within this limit. Its short-circuit interrupting capacity matches typical panel configurations in commercial environments.
Environmental and Mechanical Limits
Designed for indoor use, the breaker operates within standard temperature ranges found in panelboards. The DIN rail mount simplifies integration into existing enclosures while maintaining proper clearances for heat dissipation.
Installation and Application Guidelines
Suitable Wiring and Disconnect Practices
Use appropriately sized copper conductors per regional code, and ensure torque settings align with Schneider recommendations. Provide a clearly labeled main disconnect upstream to support safe maintenance procedures.
Coordination with Protection Devices
Coordinate with upstream breakers and downstream receptacles to achieve selective coordination. Time-current curves available from Schneider help verify that faults are isolated to the closest point.
Product Features and Benefits
- Standard 60A rating with magnetic trip for fast fault response
- Three-pole design for balanced three-phase loads
- Panel-ready DIN rail mounting for compact installations
- Clear test and reset positions for quick status checks
- Compliance with relevant UL and IEC standards
Technical Specifications and Dimensions
The table below consolidates core electrical and mechanical data for quick reference during schematics and layout planning.
| Specification | Details | Unit | Typical Range |
|---|---|---|---|
| Rated Current | Nominal | A | 60 |
| Frequency | Nominal | Hz | 50 / 60 |
| Short Circuit Rating | At 480Vac | kA | 50 |
| Poles | Configuration | / | 3 |
| Trip Curve | Magnetic setpoint | / | B |
| Enclosure | Material | / | Thermoplastic |
| Dimensions | Width, Depth, Height | mm | 35, 120, 100 (approx) |
Installation and Compliance
Code Adherence and Documentation
Verify local National Electrical Code or regional requirements before installation. Maintain accurate records of settings, test results, and maintenance to support audits and future modifications.
Field Use and Reliability
Operators benefit from clear position indicators and straightforward test procedures. Routine checks can reduce nuisance trips and support planned maintenance schedules that extend equipment life.
Proper enclosure ventilation, consistent torque values, and documented adjustments form the basis of long-term reliability. When in doubt, refer to Schneider Electric wiring diagrams for the exact variant of the NSC60E3060 you are using.
FAQ
Reader questions
Can the NSC60E3060 be used in a three-phase 400Vac system with a 60A load?
Yes, the breaker is rated for 60A continuous current and three-phase 400Vac systems, provided the wiring and panel capacity match the application.
What trip curve does the NSC 60E 3060 use, and is it suitable for motor loads?
This model uses a B trip curve, optimized for general-purpose loads. For motor inrush currents, consult the motor specifications and consider coordination studies.
How do I verify that the breaker is properly seated on the DIN rail?
Check the audible click when pushing the breaker into the rail and confirm that the front and rear clips are fully engaged before applying power.
What steps should I follow when testing the breaker during commissioning?
Perform a visual inspection, verify correct polarity, run a no-load test, then conduct a trip test using the test button while monitoring voltage and current.