MEAN WELL ICL-16 series: DIN Rail AC Inrush Current Limiter - ICL-16R

Description

MEAN WELL ICL-16R is a DIN rail AC inrush current limiter for 180–264 VAC systems. It limits capacitive-load starting current to the specified 23 A while carrying 16 A continuously. An integrated bypass relay and thermal fuse support operation within the stated 2,500 µF load and set-up-time-dependent switching limits.

Product Datasheet

Download MEAN WELL ICL-16 Datasheet (PDF)

The ICL-16 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation.

Model and Application

Product function AC inrush current limiter for the start-up of capacitive loads and power supplies; not an AC/DC converter or a regulated DC power supply.
Exact configuration ICL-16R: R identifies the DIN rail, rail-mounted type.
Current ratings 23 A inrush limiting current and 16 A continuous AC current. The series number does not replace the separate 23 A inrush specification.
Operating principle Internal limiting resistor and integrated bypass relay, controlled electronically; not a simple NTC-only limiter.

The module reduces capacitive-load starting current to help avoid unintended circuit-breaker tripping. It can allow multiple downstream power supplies on one AC line, subject to the total current, capacitance and switching-cycle limits. Breaker coordination must be checked for the actual installation.

AC Electrical Ratings

Input voltage 180–264 VAC.
AC line frequency 47–63 Hz.
Inrush limiting current 23 A.
Continuous rated current 16 A continuous.
AC input power reference 3,680 VA at 230 VAC (16 A × 230 VAC). This apparent-power reference is not a DC output-wattage rating.
Module input consumption Less than 1.5 W at 264 VAC, 50 Hz input.
Allowed capacitive load 2,500 µF maximum.

Choose the number and type of downstream power supplies using their aggregate input current, input capacitance and start-up characteristics. The application drawing does not specify a universal maximum number of power supplies or a model-independent breaker size.

Relay Timing and Permitted Switching Cycles

Power-on limiting interval, TON 300 ±50 ms.
Internal relay release time 500 ±50 ms.
Power-supply set-up time below 250 ms 1 limiting cycle per 5 minutes.
Power-supply set-up time from 250 to 350 ms 1 limiting cycle per minute.
Power-supply set-up time above 350 ms 5 limiting cycles per minute, with more than 1,500 ms per cycle.

Use the row matching the connected power supply’s set-up time. The relay timing values do not override the corresponding permitted cycle rate.

Protection and AC Wiring

Internal protection A thermal fuse provides overload and fire protection.
Line path The limiting resistor and bypass relay are in the L path; the block diagram shows a continuous N path.
Application connection Connect the AC source through the circuit breaker to the marked input. Connect the marked output L and N to the corresponding AC inputs of the downstream power supplies.
Installation boundary The circuit breaker and downstream power supplies in the application example are external system components; no quantity of these components is included by the diagram.

The thermal fuse is not described as an automatically resetting protection. Follow the installation instructions and identify the marked INPUT and OUTPUT before connecting the unit; keep all continuous-current, capacitance and cycle limits within specification.

Dimensions, Terminals and Installation

Dimensions, W × H × D 35 × 90 × 54.5 mm; drawing tolerance ±1 mm.
Additional drawing clearances The side drawing also marks a 58.4 mm overall extent and vertical reference dimensions of 63.65 mm and 45.15 mm. Use the complete drawing to check installation space.
Case ICL-16R.
Mounting DIN rail TS35/7.5 or TS35/15.
Input terminals Pin 1: AC/L input; pin 2: AC/N input.
Output terminals Pin 3: AC/L output; pin 4: AC/N output.

Use the supplied unit’s installation instructions for terminal tightening and mounting details not specified in this drawing. No terminal torque or additional complete mounting-kit order code is supplied in the reviewed ICL-16 pages. The rail specification identifies the mounting interface; the drawing does not establish that a rail is supplied with the product.

Environment and Altitude

Working ambient temperature −30 to +70°C.
Working humidity 20–90% RH, non-condensing.
Storage temperature −40 to +85°C.
Temperature coefficient ±0.03%/°C over 0–50°C, as listed.
Vibration 10–500 Hz, 2 G, 10 minutes per cycle, 60 minutes each along X, Y and Z; mounting compliance with IEC60068-2-6.
Operating altitude Up to 5,000 m.
Overvoltage category III according to IEC62368-1, for altitude up to 5,000 m.
Pollution degree 2.
High-altitude temperature allowance Above 2,000 m, apply the catalogue’s fanless ambient-temperature reduction of 3.5°C per additional 1,000 m.

Apply ambient, altitude, current and switching-cycle conditions together. No additional numerical temperature/load curve is specified in these ICL-16 pages.

Safety and EMC

Listed safety approval LVD BS EN/EN62368-1 approved.
Conducted and radiated emissions BS EN/EN55032, Class B for each.
Harmonic current BS EN/EN61000-3-2, Class A.
Voltage flicker BS EN/EN61000-3-3 is listed; no numerical test level is provided.
Immunity framework BS EN/EN55035 and BS EN/EN61000-6-2.
Electrostatic discharge BS EN/EN61000-4-2: Level 3, 8 kV air; Level 2, 4 kV contact; criterion A.
Radiated susceptibility BS EN/EN61000-4-3, Level 3, criterion A.
EFT / burst BS EN/EN61000-4-4, Level 3, criterion A.
Surge BS EN/EN61000-4-5, Level 4, 2 kV L–N, criterion A.
Conducted immunity BS EN/EN61000-4-6, Level 3, criterion A.
Magnetic field BS EN/EN61000-4-8, Level 4, criterion A.
Voltage dips and interruptions BS EN/EN61000-4-11: greater than 95% dip for 0.5 periods; 30% dip for 25 periods; greater than 95% interruption for 250 periods.

The completed equipment must be rechecked for compliance with the applicable EMC directives. Module test data do not automatically establish compliance of the entire installation.

Weight, Reliability and Reference Conditions

Single-unit catalogue weight 116 g (0.116 kg), explicitly listed in PACKING. This is a catalogue unit-weight reference, not a measured net weight or shipping-package total.
Packing reference 96 pieces / 12.2 kg / 1.04 CUFT.
Minimum MTBF estimates 7229.0 thousand hours by Telcordia SR-332 (Bellcore); 2157.3 thousand hours by MIL-HDBK-217F at 25°C.
Default measurement conditions 230 VAC input, rated load and 25°C ambient, unless specifically stated otherwise.
Catalogue warranty The catalogue lists a 3-year manufacturer warranty, subject to its applicable terms.
Datasheet version ICL-16 specification dated 2026-04-03; combined catalogue pages 1–4.

MTBF figures are statistical estimates under the stated methods, not a guaranteed service life.

MEAN WELL ICL-16 series: DIN Rail AC Inrush Current Limiter - ICL-16R

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MEAN WELL ICL-16R is a DIN rail AC inrush current limiter for 180–264 VAC systems. It limits capacitive-load starting current... Read more

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    Description

    MEAN WELL ICL-16R is a DIN rail AC inrush current limiter for 180–264 VAC systems. It limits capacitive-load starting current to the specified 23 A while carrying 16 A continuously. An integrated bypass relay and thermal fuse support operation within the stated 2,500 µF load and set-up-time-dependent switching limits.

    Product Datasheet

    Download MEAN WELL ICL-16 Datasheet (PDF)

    The ICL-16 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation.

    Model and Application

    Product function AC inrush current limiter for the start-up of capacitive loads and power supplies; not an AC/DC converter or a regulated DC power supply.
    Exact configuration ICL-16R: R identifies the DIN rail, rail-mounted type.
    Current ratings 23 A inrush limiting current and 16 A continuous AC current. The series number does not replace the separate 23 A inrush specification.
    Operating principle Internal limiting resistor and integrated bypass relay, controlled electronically; not a simple NTC-only limiter.

    The module reduces capacitive-load starting current to help avoid unintended circuit-breaker tripping. It can allow multiple downstream power supplies on one AC line, subject to the total current, capacitance and switching-cycle limits. Breaker coordination must be checked for the actual installation.

    AC Electrical Ratings

    Input voltage 180–264 VAC.
    AC line frequency 47–63 Hz.
    Inrush limiting current 23 A.
    Continuous rated current 16 A continuous.
    AC input power reference 3,680 VA at 230 VAC (16 A × 230 VAC). This apparent-power reference is not a DC output-wattage rating.
    Module input consumption Less than 1.5 W at 264 VAC, 50 Hz input.
    Allowed capacitive load 2,500 µF maximum.

    Choose the number and type of downstream power supplies using their aggregate input current, input capacitance and start-up characteristics. The application drawing does not specify a universal maximum number of power supplies or a model-independent breaker size.

    Relay Timing and Permitted Switching Cycles

    Power-on limiting interval, TON 300 ±50 ms.
    Internal relay release time 500 ±50 ms.
    Power-supply set-up time below 250 ms 1 limiting cycle per 5 minutes.
    Power-supply set-up time from 250 to 350 ms 1 limiting cycle per minute.
    Power-supply set-up time above 350 ms 5 limiting cycles per minute, with more than 1,500 ms per cycle.

    Use the row matching the connected power supply’s set-up time. The relay timing values do not override the corresponding permitted cycle rate.

    Protection and AC Wiring

    Internal protection A thermal fuse provides overload and fire protection.
    Line path The limiting resistor and bypass relay are in the L path; the block diagram shows a continuous N path.
    Application connection Connect the AC source through the circuit breaker to the marked input. Connect the marked output L and N to the corresponding AC inputs of the downstream power supplies.
    Installation boundary The circuit breaker and downstream power supplies in the application example are external system components; no quantity of these components is included by the diagram.

    The thermal fuse is not described as an automatically resetting protection. Follow the installation instructions and identify the marked INPUT and OUTPUT before connecting the unit; keep all continuous-current, capacitance and cycle limits within specification.

    Dimensions, Terminals and Installation

    Dimensions, W × H × D 35 × 90 × 54.5 mm; drawing tolerance ±1 mm.
    Additional drawing clearances The side drawing also marks a 58.4 mm overall extent and vertical reference dimensions of 63.65 mm and 45.15 mm. Use the complete drawing to check installation space.
    Case ICL-16R.
    Mounting DIN rail TS35/7.5 or TS35/15.
    Input terminals Pin 1: AC/L input; pin 2: AC/N input.
    Output terminals Pin 3: AC/L output; pin 4: AC/N output.

    Use the supplied unit’s installation instructions for terminal tightening and mounting details not specified in this drawing. No terminal torque or additional complete mounting-kit order code is supplied in the reviewed ICL-16 pages. The rail specification identifies the mounting interface; the drawing does not establish that a rail is supplied with the product.

    Environment and Altitude

    Working ambient temperature −30 to +70°C.
    Working humidity 20–90% RH, non-condensing.
    Storage temperature −40 to +85°C.
    Temperature coefficient ±0.03%/°C over 0–50°C, as listed.
    Vibration 10–500 Hz, 2 G, 10 minutes per cycle, 60 minutes each along X, Y and Z; mounting compliance with IEC60068-2-6.
    Operating altitude Up to 5,000 m.
    Overvoltage category III according to IEC62368-1, for altitude up to 5,000 m.
    Pollution degree 2.
    High-altitude temperature allowance Above 2,000 m, apply the catalogue’s fanless ambient-temperature reduction of 3.5°C per additional 1,000 m.

    Apply ambient, altitude, current and switching-cycle conditions together. No additional numerical temperature/load curve is specified in these ICL-16 pages.

    Safety and EMC

    Listed safety approval LVD BS EN/EN62368-1 approved.
    Conducted and radiated emissions BS EN/EN55032, Class B for each.
    Harmonic current BS EN/EN61000-3-2, Class A.
    Voltage flicker BS EN/EN61000-3-3 is listed; no numerical test level is provided.
    Immunity framework BS EN/EN55035 and BS EN/EN61000-6-2.
    Electrostatic discharge BS EN/EN61000-4-2: Level 3, 8 kV air; Level 2, 4 kV contact; criterion A.
    Radiated susceptibility BS EN/EN61000-4-3, Level 3, criterion A.
    EFT / burst BS EN/EN61000-4-4, Level 3, criterion A.
    Surge BS EN/EN61000-4-5, Level 4, 2 kV L–N, criterion A.
    Conducted immunity BS EN/EN61000-4-6, Level 3, criterion A.
    Magnetic field BS EN/EN61000-4-8, Level 4, criterion A.
    Voltage dips and interruptions BS EN/EN61000-4-11: greater than 95% dip for 0.5 periods; 30% dip for 25 periods; greater than 95% interruption for 250 periods.

    The completed equipment must be rechecked for compliance with the applicable EMC directives. Module test data do not automatically establish compliance of the entire installation.

    Weight, Reliability and Reference Conditions

    Single-unit catalogue weight 116 g (0.116 kg), explicitly listed in PACKING. This is a catalogue unit-weight reference, not a measured net weight or shipping-package total.
    Packing reference 96 pieces / 12.2 kg / 1.04 CUFT.
    Minimum MTBF estimates 7229.0 thousand hours by Telcordia SR-332 (Bellcore); 2157.3 thousand hours by MIL-HDBK-217F at 25°C.
    Default measurement conditions 230 VAC input, rated load and 25°C ambient, unless specifically stated otherwise.
    Catalogue warranty The catalogue lists a 3-year manufacturer warranty, subject to its applicable terms.
    Datasheet version ICL-16 specification dated 2026-04-03; combined catalogue pages 1–4.

    MTBF figures are statistical estimates under the stated methods, not a guaranteed service life.

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