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Phoenix Contact CBM E8 24DC/0.5-10A NO-R Circuit Breaker (2905744)

Device circuit breaker CBM – startup and signaling

Phoenix Contact CBM E8 24DC/0.5-10A NO-R Circuit Breaker (2905744)

Name: Phoenix Contact CBM E8 24DC/0.5-10A NO-R Circuit Breaker (2905744)
SKU: CBM E8 24DC/0.5-10A NO-R
Price: 327.69 GBP
Availability: InStock

£327.69 inc VAT

In Stock · Delivered in 3–5 Working Days

Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.

Technical SpecificationsPhoenix Contact

Model	CBM E8 24DC/0.5-10A NO-R
Product Type	Electronic Circuit Breaker
Total Rated Current (Max)	80 A (with dual 6 mm² IN+)
Series	CBM
Part Number	Phoenix Contact 2905744
Channel Re-enable Delay (After Trip)	10 s
Stripping Length	10–18 mm
Output Current (Per Channel)	0.5 / 1 / 2 / 4 / 6 / 10 A (adjustable)
Input Voltage Range	18–30 V DC
Reset Input Voltage Range	7–30 V DC

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SKU: CBM E8 24DC/0.5-10A NO-R Category: Power Supplies Tags: 2905744, CBM E8 24DC/0.5-10A NO-R Brand: Phoenix Contact

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Phoenix Contact CBM E8 24DC/0.5-10A NO-R Circuit Breaker (2905744)

The Phoenix Contact CBM E8 24DC/0.5-10A NO-R is a compact multi-channel electronic circuit breaker with active current limitation , designed for protecting up to eight 24 V DC loads from overloads and short circuits. With adjustable channel currents from 0.5 to 10 A , integrated fail-safe elements , and DIN rail mounting , it is the ideal solution for reliable load protection in industrial automation and control systems.

Technical Specifications

Model	CBM E8 24DC/0.5-10A NO-R
Part Number	Phoenix Contact 2905744
Product Type	Electronic Circuit Breaker
Series	CBM
Number of Channels	8
Rated Voltage	24 V DC
Input Voltage Range	18–30 V DC
Output Current (Per Channel)	0.5 / 1 / 2 / 4 / 6 / 10 A (adjustable)
Total Rated Current (Max)	80 A (with dual 6 mm² IN+)
Output Characteristic	Electronic current limiting
Short-Circuit Switching Capacity	300 A
Shutdown Time	0.02 s (> 1.3 × IN)
Switch-On Delay	0.1 s per channel
Efficiency	> 99%
Power Dissipation	1.2 W (No-load) 17.2 W (Nominal operation) MTBF (IEC 61709): 1,304,293 h @ 25°C 858,501 h @ 40°C 440,048 h @ 60°C
MTBF (IEC 61709)	17.2 W (Nominal operation) MTBF (IEC 61709):

Electrical Characteristics

Feedback Voltage Resistance	≤ 35 V DC
Undervoltage Cutoff	≤ 17.8 V DC
Overvoltage Cutoff	≥ 30.5 V DC
Max Capacitive Load	75,000 μF
Reset Input Voltage Range	7–30 V DC
Reset Trigger	Falling edge, min. 50 ms pulse
Channel Re-enable Delay (After Trip)	10 s
Active Current Limiting	2.0 × IN (0.5–1 A) 1.5 × IN (2–10 A)

Signaling & Indicators

Green	Normal operation
Yellow	Load > 80%
Red	Overload/short-circuit or voltage fault
Flashing States	Programming, reset, or tripping status
Green	Voltage in range
Yellow	Undervoltage
Red	Overvoltage
N/O Contact	0–30 V DC
Switching Current	1–100 mA DC
Status Output Voltage	24 V DC (max. 20 mA)
LED Indicators (per channel)	Green: Normal operation Yellow: Load > 80% Red: Overload/short-circuit or voltage fault Flashing States: Programming, reset, or tripping status
DC OK LED	Green: Voltage in range Yellow: Undervoltage Red: Overvoltage
Remote Signaling	N/O Contact: 0–30 V DC Switching Current: 1–100 mA DC Status Output Voltage: 24 V DC (max. 20 mA)

Mechanical & Connection Data

Mounting Type	DIN rail, 7.5 mm
Housing Material	PC, PA 6.6, PBT-FR17, POM
Protection Class	III
Pollution Degree	2
Degree of Protection	IP20
Color	Light gray (RAL 7035), gray (RAL 7042)
Dimensions (W × H × D)	41 × 130 × 121 mm
Weight	~380 g
Connection Method	Push-in terminals
Main IN+	0.75–16 mm² (AWG 20–4)
IN- / OUT / Signaling	0.2–2.5 mm² (AWG 24–12)
Stripping Length	10–18 mm
Tightening Torque	~0.5–0.6 Nm

Environmental Conditions

Operating Temp	-25°C to +70°C (startup at -40°C)
UL Temp Limit	Up to 65°C
Storage Temp	-40°C to +80°C
Altitude	≤ 6000 m
Humidity	95% RH, 240 h
Shock (IEC 60068-2-27)	30g / 18 ms
Vibration (IEC 60068-2-6)	5–24.9 Hz: ±1.6 mm 24.9–150 Hz: 4g

Frequently Asked Questions

How can I check whether CBM E8 24DC/0.5-10A NO-R is the correct replacement?

Check the breaker frame, trip unit, number of poles, current rating and breaking capacity against your existing installation or the relevant manufacturer datasheet.

How quickly can CBM E8 24DC/0.5-10A NO-R be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight	0.38 kg

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CBM-E8-24DC-0.5-10A-NO-R-Datasheet.pdf

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Phoenix Contact CBM E8 24DC/0.5-10A NO-R Circuit Breaker (2905744)