Industrial Automation
PTCB E1 48DC/1-6A NO - Electronic circuit breaker


Notes | General Note: Repeated hard short circuits can reduce the melting integral of the integrated backup fuse. This device is not a switching device acc. to UL508 |
Product properties | Product family: PTCB Type: DIN rail module, one-piece Number of positions: 1 Data management status Article revision: 01 Insulation characteristics Protection class: III Pollution degree: 2 |
Electrical properties | General Operating voltage: 30 V DC ... 56 V DC Rated voltage: 48 V DC Rated current IN: 20 A DC (Total current input) 6 A DC (Rated current output) 1 / 2 / 3 / 4 / 5 / 6 A DC (adjustable) Rated current (pre-adjusted): 4 A Rated surge voltage: 0.5 kV Tripping method: E (electronic) Feedback resistance: max. 60 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. 60 V DC (Load circuit) Fuse: electronic Efficiency: > 99 % Closed circuit current I0: typ. 10 mA Power dissipation: typ. 0.5 W (No-load operation) < 2.3 W (Nominal operation) Module initialization time: < 350 ms Waiting time after switch off of a channel: 5 s (at overload / short circuit) Measuring tolerance I: ñ 15 % Temperature derating: 12 A (Total current at 60 °C) 20 A (Total current at 30 °C) 6 A (Channel current at 60 °C) 4 A (Channel current at 30 °C) MTBF (IEC 61709, SN 29500): 18684603 h (at 25 °C with 21 % load) 6612007 h (at 40 °C with 34.25% load) 1140836 h (at 30 ° C with 100 % load) Voltage drop: 0.3 V (at 6 A) Fail-safe element: 15 A DC Load circuit Shutdown time: ââ°¤ 10 ms (For short circuit > 3.0 x IN) ââ°¤ 50 ms (with overload >2.0 x IN) ââ°¤ 1 s (with overload 1.5â⬦2.0 x IN) ââ°¤ 4 s (with overload 1.1â⬦1.5 x IN) Undervoltage switch-off: ââ°¤ 28.5 V DC (active) ââ°¥ 29.5 V DC (inactive) Overvoltage switch-off: ââ°¥ 56.5 V DC (active) ââ°¤ 55.5 V DC (inactive) Max. capacitive load: 10000 õF (Depending on the current setting and the available short-circuit current, e.g., 3 mF at 48 V DC and 0.1 ohm cable) Indicator/remote signaling Connection name: Remote indication circuit Switching function: N/O contact Operating voltage: 0 V DC ... 56 V DC Operating current: 100 mA DC |
Connection data | 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: 10 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 |
Signaling | 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) Channel LED red-yellow: flashing (Overtemperature) |
Dimensions | Dimensional drawing: https://caas.phoenixcontact.com/caas/v1/stable/media/154592/full/b1500?format=jpg Width: 6.2 mm Height: 105.8 mm Depth: 55.6 mm (incl. DIN rail 7.5 mm) |
Material specifications | Color: gray (RAL 7042) Material: PBT Flammability rating according to UL 94: V-0 |
Mechanical properties | Mechanical data Open side panel: No |
Environmental and real-life conditions | Ambient conditions Degree of protection: IP20 Ambient temperature (operation): -30 °C ... 60 °C Ambient temperature (storage/transport): -40 °C ... 70 °C Altitude: ââ°¤ 3000 m up to 52 °C (amsl) ââ°¤ 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 ñ0.35 mm; in accordance with IEC 60068-2-6, Test Fc) 59.6 Hz â⬦ 150 Hz (Acceleration 5g; in accordance with IEC 60068-2-6, Test Fc) 5 Hz â⬦ 100 Hz (Resonance search 4g; resonance frequency 4g; 90 min in accordance with DNV GL Class B) |
Approvals | UL approval Identification: UL/C-UL Listed UL 508 UL Recognized UL 2367 |
Standards and regulations | Standards/specifications: EN 61000-6-2 EN 61000-6-3 EN 60068-2-78 EN 50178 EN 60068-2-6 EN 60068-2-27 EN 60068-2-30 Note: EMC ââ¬Ã¢ Immunity for industrial areas EMC ââ¬Ã¢ Emission for residential, business and commercial properties and small operations Environmental influences ââ¬Ã¢ Moisture and heat, constant Equipping power installations with electronic equipment Environmental influences ââ¬Ã¢ Vibrations (sinusoidal) Environmental influences ââ¬Ã¢ Shocks Environmental influences ââ¬Ã¢ Part 2ââ¬Ã¢30: Tests ââ¬Ã¢ Test Db: Damp heat, cyclical |
Mounting | Mounting type: DIN rail: 35 mm |
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