ECB 4C D24-10A-NO-R SALT 4-channel electronic circuit breaker 24V DC 10A

ECB 4C D24-10A-NO-R – 4-channel electronic circuit breaker from SALZ Automation

The ECB 4C D24-10A-NO-R is a 4-channel electronic circuit breaker from SALZ Automation for power distribution in 24 V DC systems. Each channel allows individual adjustment of the output current from 1 to 10 A. With normally open contact (N/O) and remote reset for fast recovery. DIN rail compatible according to EN 60715.

Input data

• Input nominal voltage: 24 VDC (18 … 30 VDC)
• Max. input current: 40 ADC (IN+ min. 1x6mm²)
• Current consumption (typ.): 10 A
• Efficiency (typ.): >99%
• Power loss: ≤0.6 W (no load) / ≤9.5 W (nominal operation)

Output data

• Output channels: 4
• Rated current: 1–10 ADC (adjustable per channel)
• Max. switching current: 1000 A
• Semiconductor type: MOSFET
• Fail-safe element: 13 ADC (per output channel)

Protection circuit

• Shutdown time: 0.01s (>1.5 In) / 2s (1.3–1.5 In) / 30s (1.1–1.3 In)
• Under-voltage shutdown: ≤18 VDC
• Over-voltage shutdown: ≥30 VDC
• Remote reset/disconnection: 12 … 30 VDC
• Module initialization time: 50ms – 1s
• Waiting time after shutdown: ≤10s (in case of overload/short circuit)
• Rated impulse voltage: 0.5 kV
• Quiescent current (Io): typ. 50 mA
• Measurement tolerance I: typ. 10% nominal current

Temperature derating

• 40°C: 40 ADC (35 ADC for UL 2367)
• 50°C: 30 ADC
• 60°C: 25 ADC
• 70°C: 20 ADC

Contact characteristics (Push-in)

• IN+: 0.25–4 mm² (with ferrule) / 0.25–6 mm² (without ferrule)
• IN-: 0.25–1.5 mm² (with ferrule) / 0.25–2.5 mm² (without ferrule)
• OUT: 0.25–1.5 mm² (with ferrule) / 0.25–2.5 mm² (without ferrule)
• NO: 0.25–1.5 mm² (with ferrule) / 0.25–2.5 mm² (without ferrule)

Mechanical data

• Dimensions: 94 x 37 x 96 mm (H x W x D, incl. DIN rail 7.5mm)
• Weight: 155 g
• Housing: PA 6.6
• DIN rail mounting according to EN 60715: Yes

Environmental conditions

• Protection class: IP20
• Ambient temperature (operation): -25 … 70 °C
• Ambient temperature (storage/transport): -40 … 80 °C
• Max. operating altitude: ≤2000 m (no derating) / 2000–4000 m (derating)
• Humidity (operating, non-condensing): 240h, 95% RH, 40°C
• Vibration: 5–24.9 Hz (amplitude 1.6 mm) / 24.9–150 Hz (4g) according to IEC 60068-2-6
• Impact: 30g (IEC 60068-2-27, Test Ea)
• Salt spray test: Parts 72h / whole product 48h
• Pollution degree: 2

Standards & Certifications

• Certification: CE
• Safety standard: EN 50178, GB 17701 / EN 60934
• EMC: EN 61000-6-2, EN 61000-2-3
• Overvoltage protection: GB/T 17626.5 Class II
• Temperature test: EN 60068-2-1
• Environmental tests: EN 60068-2-6
• RoHS: 2.0
• GTIN: 4262552160397
• MTBF (IEC61709, SN 29500) at 25°C: 1,000,000 h

Advantages at a glance

• 4 independent channels with individually adjustable rated current 1–10 A
• Efficiency >99% – minimal power loss
• Normally open contact (N/O) and remote reset
• Integrated fail-safe element (13 A per channel)
• Multi-stage shutdown characteristic for optimal protection
• LED status indicator per channel and DC OK indicator
• DIN rail compatible according to EN 60715
• Operating temperature -25 … 70°C, IP20

Typical applications

• Industrial automation & control technology
• 24 V DC power distribution in control cabinets
• Mechanical engineering & plant engineering
• Building automation