PTCB E1 24DC/1-8A NO2
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Electronic circuit breaker
1388391
1-channel, electronic circuit breaker for protecting loads at 24 V DC against overload and short circuit. Easy potential distribution with components from the CLIPLINE complete terminal block system. With electronic interlock of the set nominal currents. The signal contact opens if the channel has been switched off manually or due to a fault. For installation on DIN rails.
Product details
| General | |
| Note | EN 50121-3-2: Railway applications - Electromagnetic compatibility - Part 3-2: Rolling stock – Apparatus |
| Connection for signal line tested in accordance with EN 61000-4-4 with 1 kV; if necessary, customer must provide appropriate protective measures | |
| Repeated hard short circuits can reduce the melting integral of the integrated backup fuse. | |
| Product type | Device circuit breakers |
| Product family | PTCB |
| Type | DIN rail module, one-piece |
| Number of positions | 1 |
| Insulation characteristics | |
| Protection class | III |
| Pollution degree | 2 |
| General | |
| Operating voltage | 18 V DC ... 30 V DC |
| Rated voltage | 24 V DC |
| Rated current IN | 24 A DC (Total current input) |
| 8 A DC (Rated current output) | |
| Rated current IN | 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 A DC (adjustable) |
| Rated current (pre-adjusted) | 4 A |
| Rated surge voltage | 0.5 kV |
| Tripping method | E (electronic) |
| Feedback resistance | max. 35 V DC |
| Required backup fuse | Only required if Imax of the power supply > the short-circuit switching capacity. Integrated failsafe element. |
| Short-circuit switching capacity | 300 A |
| Dielectric strength | max. 35 V DC (Load circuit) |
| Fuse | electronic |
| Efficiency | > 99 % |
| Closed circuit current I0 | typ. 12 mA |
| Power dissipation | typ. 0.3 W (No-load operation) |
| < 1.6 W (Nominal operation) | |
| Module initialization time | < 0.55 s |
| Waiting time after switch off of a channel | 5 s (at overload / short circuit) |
| Measuring tolerance I | ± 15 % |
| Temperature derating | 21 A (Total current at 60°C) |
| 24 A (Total current at 50°C) | |
| 7 A (Channel current at 60°C) | |
| 8 A (Channel current at 50°C) | |
| MTBF (IEC 61709, SN 29500) | 25641025 h (at 25 °C with 21 % load) |
| 10989010 h (at 40°C with 34.25% load) | |
| 1149425 h (at 55°C with 100% load) | |
| Voltage drop | 0.13 V (at 8 A) |
| Fail-safe element | 15 A DC |
| Contact switching type | without electrical isolation |
| Load circuit | |
| Shutdown time | ≤ 10 ms (for short circuit > 2.0 x IN) |
| 1 s (1.2 ... 2.0 x IN) | |
| Undervoltage switch-off | ≤ 17.8 V DC (active) |
| ≥ 18.8 V DC (inactive) | |
| Overvoltage switch-off | ≥ 30.5 V DC (active) |
| ≤ 29.5 V DC (inactive) | |
| Max. capacitive load | 25000 µF (Depending on the current setting and the short-circuit current available) |
| Indicator/remote signaling | |
| Connection name | Remote indication circuit |
| Switching function | N/O contact |
| Operating voltage | 0 V DC ... 30 V DC |
| Operating current | 100 mA DC |
| Main circuit IN+ | |
| Connection method | Push-in connection |
| Stripping length | 8 mm |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² |
| Conductor cross section AWG | 24 ... 12 |
| Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.2 mm² ... 2.5 mm² |
| Main circuit IN- | |
| Connection method | Push-in connection |
| Stripping length | 8 mm |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² |
| Conductor cross section AWG | 24 ... 12 |
| Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.2 mm² ... 2.5 mm² |
| Main circuit OUT | |
| Connection method | Push-in connection |
| Stripping length | 8 mm |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² |
| Conductor cross section AWG | 24 ... 12 |
| Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.2 mm² ... 2.5 mm² |
| Remote indication circuit | |
| Connection method | Push-in connection |
| Stripping length | 8 mm |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² |
| Conductor cross section AWG | 24 ... 14 |
| Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.2 mm² ... 2.5 mm² |
| Channel LED off | off (Channel switched off) |
| Channel LED yellow | lit (Channel switched on, channel load > 80% ) |
| flashing (Programming mode active) | |
| Channel LED green | lit (Channel switched on) |
| Channel LED red | lit (Channel switched off, over- or undervoltage active) |
| ON temporarily (Channel switched off, 5 s cool-down phase, overload or short-circuit release) | |
| flashing (Channel switched off, ready to be switched back on, overload or short-circuit release) | |
| flashing quickly (Channel switched off, external voltage at the output, possible installation error) |
| Dimensional drawing |
|
| Width | 6.2 mm |
| Height | 105.8 mm |
| Depth | 55.6 mm (incl. DIN rail 7.5 mm) |
| Color | gray (RAL 7042) |
| Material | PBT |
| PBT | |
| Flammability rating according to UL 94 | V-0 |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -30 °C ... 60 °C |
| Ambient temperature (storage/transport) | -40 °C ... 70 °C |
| Altitude | ≤ 3000 m up to 52 °C (amsl) |
| ≤ 4000 m up to 46 °C (amsl) | |
| Humidity test | 96 h, 95 % RH, 40 °C |
| Shock (operation) | 30g (IEC 60068-2-27, Test Ea) |
| Vibration (operation) | 10 Hz ... 59.6 Hz (Amplitude ±0.35 mm; in accordance with IEC 60068-2-6, Test Fc) |
| 59.6 Hz ... 150 Hz (Acceleration 5g; in accordance with IEC 60068-2-6, Test Fc) | |
| 5 Hz ... 100 Hz (Resonance search 4g; resonance frequency 4g; 90 min in accordance with DNV GL Class B) | |
| UL approval | |
| Identification | UL/C-UL Listed UL 508 |
| UL Recognized UL 2367 | |
| UL/C-UL Listed ANSI/UL 121201 Class I, Division 2, Groups A, B, C, D; T4 (Hazardous Location) | |
| DNV GL | |
| Identification | Shipbuilding approval |
| Corrosive gas test | |
| Identification | ISA S71.04.2013 G3 Harsh Group A |
| Shipbuilding data | |
| Temperature | A |
| Humidity | B |
| Vibration | B |
| EMC | B |
| Enclosure | A |
| Standards/specifications | EN 61000-6-2 |
| Note | EMC – Immunity for industrial areas |
| Standards/specifications | EN 61000-6-3 |
| Note | EMC – Emission for residential, business and commercial properties and small operations |
| Standards/specifications | EN 60068-2-78 |
| Note | Environmental influences – Moisture and heat, constant |
| Standards/specifications | EN 50178 |
| Note | Equipping power installations with electronic equipment |
| Standards/specifications | EN 60068-2-6 |
| Note | Environmental influences – Vibrations (sinusoidal) |
| Standards/specifications | EN 60068-2-27 |
| Note | Environmental influences – Shocks |
| Standards/specifications | EN 60068-2-30 |
| Note | Environmental influences – Part 2–30: Tests – Test Db: Damp heat, cyclical |
| Standards/specifications | EN 61373 |
| Note | Railway applications - Rolling stock equipment - Shock and vibration tests |
| Standards/specifications | EN 45545-2 |
| Note | Railway applications - Fire protection on railway vehicles - Part 2: Requirements for fire behavior of materials and components |
| Mounting type | DIN rail: 35 mm |
Your advantages
Simple application setup due to bridging option to CLIPLINE complete terminal block system
More space in the control cabinet: narrowest protection on just 6 mm width
Flexible use and reduction of inventory due to adjustable amp values on each device for wide range of applications
Individual setup for suitable protection, exactly according to your requirements