PWR-IE50W-AC-L – IE Switch Power Supply

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PWR-IE50W-AC-L

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List Price: $1257 $225
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Weight 0.6 kg
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PWR-IE50W-AC-L Description

Cisco PWR-IE50W-AC-L is a compact 50W industrial DIN-rail AC power supply that delivers a regulated 24–28V DC output at 2.1A for Cisco industrial Ethernet switches, routers, and edge devices. With 100–240V AC input (90–264V supported), 50/60Hz, and 88% typical efficiency, it provides stable power with a 20 ms holdup at full load. The unit integrates comprehensive protections (OVP/OCP/OTP/SCP) and operates from −20°C to +70°C with defined derating above 55°C and below −10°C. A slim IP20 design (30×75×89.5 mm, 0.18 kg) and high MTBF (2.26M hours) make it an excellent fit for control cabinets and space-constrained panels. Note: this “-L” variant is not approved for hazardous location installations.

Quick Specs

Parameter

Specification

Model

PWR-IE50W-AC-L

Output power

50W

Output voltage / current

24–28V DC, 2.1A

Holdup time (100% load)

20 ms

Rated nominal input (AC)

100–240V AC, 1.2A, 50/60Hz

Supported input range

AC 90–264V

Typical efficiency

88%

Inrush current (25°C)

<35A @115VAC, <70A @230VAC

Operating temperature

−20°C to +70°C (derating above 55°C; below −10°C)

Operating humidity

5–95% RH (non-condensing)

IP rating

IP20

Protections

OVP, OCP, OTP, SCP

Product Comparison

Parameter

PWR-IE50W-AC-L (AC)

PWR-IE65W-PC-AC (AC/High-DC capable)

PWR-IE170W-PC-DC (Low-DC)

Output power

50W

65W

170W

Output voltage / current

24–28V DC, 2.1A

54V DC, 1.2A

54V DC, 3.2A

Holdup time @100%

20 ms

10 ms

9–25.9 ms (depends on input)

AC rated nominal input

100–240V AC, 1.2A (50/60Hz)

100–240V AC, 1.4A (50/60Hz)

—

High-DC rated nominal input

—

125–250V DC, 1.0A

—

Low-DC rated nominal input

—

—

12–54V DC, 23A (nominal)

Supported input range

AC 90–264V

AC 90–264V / DC 106–300V

DC 10.8–60V

Typical efficiency

88%

85%

88%

Protections

OVP/OCP/OTP/SCP

OVP/OCP/OTP/SCP

OVP/OCP/OTP/SCP

Operating temperature

−20°C to +70°C

−40°C to +75°C

−40°C to +75°C

Derating

>55°C: −3.33%/°C; <−10°C: −2%/°C

No derating

No derating

IP rating

IP20

IP20

IP20

PoE/PoE+ support

No

Yes

Yes

Dimensions (W×H×D)

30×75×89.5 mm

66×148×118 mm

114×150×146 mm

Weight

0.18 kg

1.2 kg

1.67 kg

MTBF (Telcordia)

2,255,613 hrs

2,488,401 hrs

2,164,641 hrs

Hazardous locations

Not approved

Approved (C1D2/Zone 2)

Approved (C1D2/Zone 2)

Compatible Devices Table

Cisco Series

Compatible Models

Notes

Catalyst IE3100 Rugged Series

IE-3100-4T2S-E, IE-3100-8T2C-E, IE-3100-8T4S-E, IE-3100-18T2C-E, IE-3100-18T2C-CC-E

Supported as AC power supply option, suitable for non-PoE or light load scenarios

Catalyst IE3100 Rugged Series (PoE Models)

IE-3100-4P2S-E, IE-3100-8P2C-E, IE-3100-3P1U2S-E, IE-3100-6P2U2C-E

Compatible, but limited for low-power or non-PoE deployments (PoE models may require higher wattage PSUs for full budget)

Catalyst IE3105 Rugged Series

IE-3105-8T2C-E, IE-3105-18T2C-E

Supported as 50W AC PSU; suitable where PoE demand is not required

Industrial Compute

Cisco Edge Compute Units

Conditional: only for platforms with ≤50W DC power requirement

Specifications

Parameter Specification Parameter Specification
Model PWR-IE50W-AC-L Form factor Industrial DIN-rail AC to DC power supply
Nominal output power 50W Output voltage / current 24–28V DC, 2.1A
Holdup time @100% load 20 ms Protections Over Voltage, Over Current, Over Temperature, Short Circuit
Rated nominal input (AC) 100–240V AC, 1.2A, 50/60Hz Supported input range AC 90–264V
Typical efficiency 88% Inrush current (25°C) <35A @115VAC, <70A @230VAC
Operating temperature −20°C to +70°C Derating guidance >55°C: −3.33%/°C; <−10°C: −2%/°C
Storage temperature −40°C to +85°C Operating humidity 5–95% RH (non-condensing)
IP rating IP20 Hazardous locations Not approved for hazardous location installations
Dimensions (W × H × D) 30 × 75 × 89.5 mm (1.18 × 2.95 × 3.52 in) Weight 0.18 kg (0.39 lb)
MTBF (Telcordia SR-332) 2,255,613 hours Cooling Fanless, natural convection
Safety / EMC (summary) EN/IEC 60950-1, EN/IEC 62368-1, CE, FCC Part 15B; see datasheet for full list Warranty Five-year limited hardware warranty

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Quality Certifications

Customer Reviews

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5.0
(3 reviews)
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    BB-8
    Posted on 25/06/2024
    Verified Buyer
    5.0

    (Thumbs up lighter) – Fast delivery!

    Site Engineer
    Posted on 14/02/2024
    Verified Buyer
    5.0

    Lite version fits our budget for non-critical monitoring nodes. Genuine part.

    Purchasing
    Posted on 12/12/2023
    Verified Buyer
    5.0

    We bought 50 for a rollout. All good.

Questions & Answers

  • What is Cisco PWR-IE50W-AC-L?

    PWR-IE50W-AC-L is a 50 W industrial AC power supply, often with conformal coating (“-L”) for enhanced environmental resilience. It powers rugged switches and IoT devices from standard AC mains.

  • When should I choose the “-L” variant?

    The “-L” coating helps in humid, dusty, or corrosive environments by protecting PCB surfaces. Choose this for coastal plants, wastewater facilities, or heavy-dust manufacturing.

  • What AC input does PWR-IE50W-AC-L accept?

    It typically supports wide-range 100–240 VAC. Confirm frequency tolerance and inrush behavior, especially when backed by generators or UPS systems.

  • Is it suitable for DIN-rail mounting?

    Yes. It’s designed for DIN-rail with compact depth for crowded cabinets. Maintain required side clearances to ensure airflow and easy serviceability.

  • Does it support overload protection?

    Yes. Expect built-in protections for overload, over-temperature, and short circuits with automatic recovery. Persistent trips indicate downstream faults needing remediation.

  • How do I size 50 W vs 65/170 W units?

    Sum your continuous load, include startup peaks, then add at least 20% margin. If you plan to add sensors or radios later, consider stepping up to 65–170 W models.

  • Can I run two in parallel for redundancy?

    Use approved redundancy modules or OR-ing diodes rather than just paralleling outputs. Feed separate AC sources for true path diversity.

  • What environmental certifications matter?

    Look for industrial EMC, shock/vibration, and temperature ratings. The “-L” option adds protection against moisture and contaminants.

  • Typical applications?

    Small IE switches, gateways, protocol converters, and sensor clusters in process control cabinets.

  • Any maintenance guidance?

    Inspect terminals, clean dust, verify output voltage under load, and plan periodic replacement in high-duty cycles to avoid unplanned downtime.

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Resources Downloads

  • PWR-IE50W-AC-L Datasheet

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