Description
EATON PL9-C20/2 Miniature Circuit Breaker – 2‑Pole, C‑Curve 20 A Protection for DIN‑Rail Panels
The EATON PL9-C20/2 is a compact, two‑pole miniature circuit breaker designed for dependable branch‑circuit protection in control cabinets and distribution boards. It’s the kind of MCB you pick when you need a C‑curve characteristic at 20 A for motor and mixed‑load applications, without giving up space or serviceability. From my experience, the PL9 line balances robust trip performance with clean DIN‑rail installation, so panel builders can standardize quickly and avoid surprises during commissioning.
Order Placement Process & Guarantees
- Warranty: 365 days
- Delivery time: typically 1 week for in‑stock items; no more than one month at the latest
- Payment terms: 50% advance payment; full payment prior to delivery
- Express delivery: FedEx, UPS, DHL
Key Features
- 2‑Pole, 20 A C‑Curve – Suitable for circuits with moderate inrush currents (motors, control transformers, mixed loads).
- DIN‑Rail Mount (35 mm) – Fast snap‑on installation for IEC/EN 60715 rails, easy retrofits in existing panels.
- Rated for 230/400 V AC – Common European three‑phase and single‑phase configurations are supported.
- Breaking Capacity – Typically up to 10 kA under IEC/EN 60898‑1 conditions, providing solid fault protection in many cases.
- Clear ON/OFF Indication – Positive toggle feedback helps during commissioning and lockout/tagout routines.
- Accessory‑Ready – Accepts standard clip‑on auxiliaries like shunt trips, auxiliary contacts, and comb busbar systems (series dependent).
- Screw‑Clamp Terminals – Reliable connection for copper conductors, sized for typical control and distribution wiring.
- Standards Compliance – Designed for IEC/EN 60898‑1 application profiles used across building and light‑industrial panels.
Technical Specifications
| Brand / Model | EATON PL9-C20/2 (xPole PL9 series) |
| HS Code | 8536.20 (Automatic circuit breakers) |
| Rated Current / Tripping Curve | 20 A, Curve C (medium inrush tolerance) |
| Rated Voltage / Frequency | 230/400 V AC, 50/60 Hz |
| Breaking Capacity (Icn) | Typically up to 10 kA (IEC/EN 60898‑1) depending on regional variant |
| Poles / Modules | 2 poles; 2 DIN modules (approx. 35 mm total width) |
| Dimensions & Weight | Width ~35 mm; height ~80–85 mm; depth ~70–75 mm (typical for PL series) |
| Operating Temperature | Typically −25 °C to +55 °C (ambient); apply derating at higher temps |
| Signal Input/Output Types | Power line/load terminals only (no signal I/O) |
| Communication Interfaces | None (optional auxiliary contacts available in series) |
| Installation Method | 35 mm DIN rail (EN 60715); screw‑clamp terminals; top/bottom feed |
| Standards | IEC/EN 60898‑1 (household and similar installations) |
Application Fields
You’ll typically see the PL9‑C20/2 in small distribution boards, machine control panels, HVAC units, packaging lines, and general facility sub‑circuits. It fits well where two‑pole isolation is preferred—either for two‑phase loads or where a switched neutral is required by site standards. One panel builder told me they swapped this into a mixed‑brand board without re‑drilling, which saved them a service call and a return visit.
Advantages & Value
- Reliable tripping profile – C‑curve behavior that aligns with most control and light‑motor circuits.
- Broad compatibility – Works with common DIN busbar combs and auxiliary blocks in the Eaton ecosystem.
- Compact footprint – Only two modules wide, which helps keep cabinets slimmer and reduces enclosure costs.
- Serviceability – Clearly marked terminals and a sturdy toggle; easy to identify and replace during maintenance.
- Procurement confidence – Stable availability and a straightforward part code that buyers and technicians recognize.
Installation & Maintenance
- Cabinet & Rail: Mount on 35 mm DIN rail; keep adequate spacing for ventilation, particularly above 40 °C ambient.
- Wiring: Use copper conductors sized for the 20 A rating and local code; tighten terminals to the manufacturer’s torque guidance.
- Protection Coordination: For motor circuits, coordinate with contactors/overloads; for selective protection, review upstream breaker I²t.
- Safety: De‑energize before work. Apply lockout/tagout procedures; verify with a suitable tester.
- Routine Checks: Inspect for discoloration or loosened conductors; exercise the toggle periodically; keep dust away from the mechanism.
- Thermal Conditions: Derate in elevated ambient temperatures or when multiple devices are ganged tightly; follow Eaton’s thermal curves.
Quality & Certifications
- Conformity: IEC/EN 60898‑1
- Markings: CE
- Material & Environment: RoHS compliant
- Manufacturer’s Policy: Standard warranty practices apply; we provide 365‑day warranty coverage on supply
You might notice that specs can vary slightly by region or production batch—if you need a documented breaking capacity for a particular short‑circuit level, tell me your network data (voltage, Ik, and installation category) and I’ll confirm the matching PL9 variant before shipment.
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