View larger
Images are for illustrative purposes only. Please refer to data sheet for details
PTCB E1 24DC/8A NO 2909910 PHOENIX CONTACT Single-channel electronic circuit breaker for protecting 24 V DC ..
PTCB E1 24DC/8A NO
2909910
PHOENIX CONTACT
1 Pcs.
Single-channel electronic circuit breaker for protecting 24 V DC loads against overload and short circuit. Simple potential distribution using components from the CLIPLINE complete terminal block system. With fixed nominal current. For installation on DIN rails.
Electronic switch for protection of single-channel equipment to protect consumers in 24 V DC in case of overload and short circuit. Easy potential distribution with the components of the CLIPLINE complete terminal block system. With fixed rated current. For installation on DIN rails.
Automation > Device circuit breaker
Over Current Protection
Product condition, packaging, certifications and applicable manufacturer warranty terms are confirmed with the quotation.
Request a Quote
Pricing and availability are confirmed for each enquiry. Send this part and we will reply with price and lead time.
Request QuoteProduct Overview
Phoenix Contact part number PTCB E1 24DC/8A NO is a single-channel electronic circuit breaker engineered to protect 24 V DC circuits from overloads and short circuits. Industrial installations rely on these modular protective components to safely limit current spikes and isolate individual loads without disrupting the broader power distribution layout. Pricing, availability and lead time are confirmed per enquiry through an RFQ.
- Number of poles (EF001391): 1
- Width (EF000008): 6.2 mm
- Height (EF000040): 105.8 mm
- Depth (EF000049): 55.6 mm
- Operating voltage (EF000111): 30 V
- Nominal current (EF000001): 24 A
- Active current limitation x IN (EF011922): 0
- Fuse type (EF011923): Electronic
- Fail safe element (EF011924): 15 A
- Switch-off time (EF011925): 0.01 ms
- Max. capacitive load (EF011926): 0.025 µF
- With remote signalling contact (EF000422): Yes
- Ambient temperature during operating (EF007515): -30 °C
More info
▲Key Commercial Data
| Orderkey | 2909910 |
|---|---|
| Packing unit | 1 pc |
| Catalog page | Page 379 (C-4-2019) |
| GTIN | 4055626408774 |
| Weight per Piece (excluding packing) | 40.000 g |
| Custom tariff number | 85363010 |
| Country of origin | DE (Germany) |
Back to top
Back to top
Back to top
Back to top
Back to top
Back to top
Back to top
Back to top
Back to top
Back to top
Ambient conditions
| Ambient temperature (operation) | -30 °C ... 60 °C |
|---|---|
| Ambient temperature (storage/transport) | -40 °C ... 70 °C |
| Humidity test | 96 h, 95 % RH, 40 °C |
| Altitude | ≤ 3000 m up to 52 °C (amsl (above mean sea level)) |
| ≤ 4000 m up to 46 °C (amsl (above mean sea level)) | |
| 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) | |
| Degree of protection | IP20 |
General
| Flammability rating according to UL 94 | V-0 |
|---|---|
| Mounting type | DIN rail: 35 mm |
| Color | traffic grey A RAL 7042 |
| Number of positions | 1 |
| Protection class | III |
| Type | DIN rail module, one-piece |
Electrical data
| Fuse type | electronic |
|---|---|
| Rated surge voltage | 0.5 kV |
| 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) | |
| Measuring tolerance I | ± 15 % |
| Feedback resistance | max. 35 V DC |
| Fail-safe element | 15 A DC |
| 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 | 1 s |
| Waiting time after switch off of a channel | 5 s (at overload / short circuit) |
| 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) | |
| Tripping method | E (electronic) |
| Required backup fuse | not required, integrated failsafe element |
| Dielectric strength | max. 35 V DC (Load circuit) |
| Voltage drop | 0.13 V (at 8 A) |
| 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 60°C with 100% load) | |
| Shutdown time load circuit | ≤ 10 ms (for short circuit > 2.0 x IN) |
| 1 s (1.2 ... 2.0 x IN) | |
| Undervoltage shutdown load circuit | ≤ 17.8 V DC (active) |
| ≥ 18.8 V DC (inactive) | |
| Surge voltage shutdown load circuit | ≥ 30.5 V DC (active) |
| ≤ 29.5 V DC (inactive) | |
| Max. capacitive load load circuit | 35000 µF (Depending on the available short-circuit current) |
Remote indication contact
| Connection name | Remote indication circuit |
|---|---|
| Switching function | N/O contact |
| Stripping length | 10 mm |
| Conductor cross section solid | 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 |
| DC operating voltage | 0 V DC ... 30 V DC |
| DC operating current | 100 mA DC |
Signaling
| Channel LED off | off (Channel switched off) |
|---|---|
| Channel LED green | lit (Channel switched on) |
| Channel LED yellow | lit (Channel switched on, channel load > 80% ) |
| flashing (Programming mode active) | |
| 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) |
Connection data
| Connection name | Main circuit IN+ |
|---|---|
| Connection method | Push-in connection |
| Stripping length | 10 mm |
| Conductor cross section solid | 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 |
| Connection name | Main circuit IN- |
| Connection method | Push-in connection |
| Stripping length | 10 mm |
| Conductor cross section solid | 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 |
| Connection name | Main circuit OUT |
| Connection method | Push-in connection |
| Stripping length | 10 mm |
| Conductor cross section solid | 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 |
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 |
Environmental Product Compliance
| REACh SVHC | Lead 7439-92-1 |
|---|---|
| China RoHS | Environmentally Friendly Use Period = 50 |
| For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration” |
Classifications
eCl@ss
| eCl@ss 4.0 | 27141100 |
|---|---|
| eCl@ss 4.1 | 27141100 |
| eCl@ss 5.0 | 27141100 |
| eCl@ss 5.1 | 27141100 |
| eCl@ss 6.0 | 27141100 |
| eCl@ss 7.0 | 27141116 |
| eCl@ss 8.0 | 27141116 |
| eCl@ss 9.0 | 27141116 |