Phoenix PTCB E1 Series — Electronic Circuit Breakers
The Phoenix PTCB E1 Series is a compact and precise electronic circuit breaker family designed to provide reliable protection for 24 V DC control circuits. With adjustable current ranges and single-channel configurations, the PTCB E1 modules simplify circuit protection while ensuring stable system performance and fast diagnostics.
Available Models
| Part Number | Model | Description |
|---|---|---|
| 1471917 | PTCB E1 48DC/1-6A NO | 48 V DC, adjustable 1–6 A, normally open, single-channel breaker |
| 1135734 | PTCB E1 24DC/8A SI-R | 24 V DC, fixed 8 A, resettable, screw-in type |
| 2909910 | PTCB E1 24DC/8A NO | 24 V DC, 8 A, normally open version |
| 1135740 | PTCB E1 24DC/6A SI-R | 24 V DC, 6 A, resettable, screw connection |
| 2909908 | PTCB E1 24DC/6A NO | 24 V DC, 6 A, normally open version |
| 1135745 | PTCB E1 24DC/4A SI-R | 24 V DC, 4 A, resettable with manual reset function |
| 2909906 | PTCB E1 24DC/4A NO | 24 V DC, 4 A, standard version |
| 2909904 | PTCB E1 24DC/3A NO | 24 V DC, 3 A, single-channel, compact width |
| 1135749 | PTCB E1 24DC/2A SI-R | 24 V DC, 2 A, resettable, for precise load protection |
| 2909903 | PTCB E1 24DC/2A NO | 24 V DC, 2 A, normally open version |
| 1135751 | PTCB E1 24DC/1A SI-R | 24 V DC, 1 A, resettable, suitable for sensor circuits |
| 2909902 | PTCB E1 24DC/1A NO | 24 V DC, 1 A, standard normally open type |
| 1135752 | PTCB E1 24DC/1-8A SI-R | 24 V DC, adjustable 1–8 A, resettable, flexible protection |
| 2908262 | PTCB E1 24DC/1-8A NO | 24 V DC, 1–8 A adjustable, normally open |
| 1135753 | PTCB E1 24DC/1-4A SI-R | 24 V DC, adjustable 1–4 A, resettable model |
| 2908261 | PTCB E1 24DC/1-4A NO | 24 V DC, adjustable 1–4 A, standard NO model |
| 2909909 | PTCB E1 24DC/1-3A NO | 24 V DC, adjustable 1–3 A, single-channel version |
| 1441495 | PTCB E1 24DC/0.1-0.63A NO | 24 V DC, adjustable 0.1–0.63 A, for low-current protection |
Key Features
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Compact 6 mm Width – Saves up to 50% panel space.
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Adjustable Current Range – Configurable versions from 0.1 A up to 8 A.
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Precision Electronic Trip – Ensures fast and selective shutdown of faulted circuits.
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Status Indication – LED and remote signaling outputs for monitoring.
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Plug-in Design – Easy replacement and wiring via COMBICON connectors.
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Screw or Push-in Terminals – Flexible connection options to suit all cabinet types.
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Compatibility – Perfectly fits into Phoenix QUINT and TRIO power distribution systems.
Applications
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Control cabinets and machine automation
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Process instrumentation loops
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Building automation and HVAC control
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Modular power distribution systems
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Sensor and actuator supply lines
Why Choose Phoenix PTCB E1
The Phoenix PTCB E1 combines the simplicity of single-channel design with advanced electronic protection, offering selective protection for 24 V DC loads and quick fault isolation.
It is ideal for modern, space-saving, and maintenance-friendly industrial installations.