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Mean Well PWM-120-12KN AC-DC Single output LED driver Constant Voltage (CV) 10A

constant voltage PWM style outputbuilt-in active PFC functionstandby power consuption

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PWM-120-12KN

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The PWM-120 is a 120W Mean Well DIN rail power converter with a 191mm profile (input range: 90~305VAC, operating temperature: -40~+80℃).

Key Features

✓ 191mm width — DIN rail TS-35 compatible
✓ Input voltage range: 90~305VAC
✓ 3.75KVAC reinforced I/O isolation
✓ Cooling by free air convection
✓ Wide operating temperature: -40~+80℃
✓ Protections: Short circuit / Overload / Over voltage / Over temperature
✓ Active PFC — meets international energy efficiency regulations
✓ Safety approvals: Note.5 UL8750( type ”HL” )(except for 12DA type), CSA C22.2 No. 250.13-12; ENEC EN61347-1, EN61347-2-13,EN62384 independent, IP67,BIS IS15885( for PWM-120-12,24 only), EAC TP TC 004,GB19510.1,GB19510.14
✓ 3 years warranty

Frequently Asked Questions

Can I use the PWM-120-12KN to control 12V LED lighting directly from a KNX building automation system?

Yes. The PWM-120-12KN has a built-in KNX interface, allowing direct integration into KNX building automation networks without requiring a separate KNX-DALI gateway. It outputs 12V at 10A (120W) with a constant voltage PWM-style output compatible with 12V LED strips.

Is the PWM-120-12KN suitable for outdoor or covered wet-area LED lighting installations?

Yes. The IP67 rating makes the PWM-120-12KN suitable for outdoor enclosures and covered locations exposed to rain or moisture. Its -40°C to +90°C operating temperature range also covers demanding outdoor climates.

How many meters of 12V LED strip can the PWM-120-12KN drive?

The PWM-120-12KN supplies up to 120W at 12V. For a 10W/m LED strip that is approximately 12 meters (120 ÷ 10); for a 14.4W/m strip, approximately 8.3 meters (120 ÷ 14.4). Confirm your strip's rated power per meter and apply a 20% derating buffer.

Does the PWM-120-12KN require an external gateway to work on a KNX network?

No. The KNX interface is built into the driver, so no external KNX-DALI gateway is needed. This simplifies panel wiring and reduces the number of components in KNX lighting control installations.

Can the PWM-120-12KN be used for 12V LED strip lighting in a hotel corridor managed by a KNX system?

Yes. The PWM-120-12KN is designed for this type of application, providing 120W of 12V constant voltage output with direct KNX control. Smooth PWM-style dimming is compatible with 12V LED strip lighting commonly used in hospitality corridor and accent lighting.

How does the PWM-120-12KN's standby power compare to the standard PWM-120-12?

The PWM-120-12KN specifies a standby power consumption of less than 0.5W, which is beneficial in large building installations where many drivers may be in standby. The standard PWM-120-12 does not publish this standby figure; it uses a 3-in-1 dimming interface rather than KNX.

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Model	Power	Voltage	Current	IP Rating
Mean Well PWM-120-24DA2 Power Supply 120W 24V DALI2 5A	120W	24V	5A	IP67	View
Mean Well PWM-120-24DA Power Supply 120W 24V - DALI 5A	120W	24V	5A	IP67	View
Mean Well PWM-120-12DA2 Power Supply 120W 12V DALI2 10A	12W	12V	10A	IP67	View
Mean Well PWM-120-48DA Power Supply 120W 48V - DALI 2.5A	120W	48V	2.5A	IP67	View
Mean Well PWM-120-48 Power Supply 120W 48V - Dimmable 2.5A	120W	48V	2.5A	IP67	View
Mean Well PWM-120-36DA Power Supply 120W 36V - DALI 3.4A	120W	36V	3.4A	IP67	View
Mean Well PWM-120-36 Power Supply 120W 36V - Dimmable 3.4A	120W	36V	3.4A	IP67	View
Mean Well PWM-120-24KN AC-DC Single output LED driver Constant Voltage (CV) 5A	120W	24V	5A	IP67	View
Mean Well PWM-120-24BLE AC-DC Single output LED driver Constant Voltage (CV)	120W	24V	5A	—	View
Mean Well PWM-120-24 Power Supply 120W 24V - Dimmable 5A	120W	24V	5A	IP67	View

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Key Features

✓ 191mm width — DIN rail TS-35 compatible

✓ Input voltage range: 90~305VAC

✓ 3.75KVAC reinforced I/O isolation

✓ Cooling by free air convection

✓ Wide operating temperature: -40~+80℃

✓ Protections: Short circuit / Overload / Over voltage / Over temperature

✓ Active PFC — meets international energy efficiency regulations

✓ Safety approvals: Note.5 UL8750( type ”HL” )(except for 12DA type), CSA C22.2 No. 250.13-12; ENEC EN61347-1, EN61347-2-13,EN62384 independent, IP67,BIS IS15885( for PWM-120-12,24 only), EAC TP TC 004,GB19510.1,GB19510.14

✓ 3 years warranty

Mean Well PWM-120-12KN AC-DC Single output LED driver Constant Voltage (CV) 10A

Key Features

Frequently Asked Questions

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Mean Well PWM-120-12KN AC-DC Single output LED driver Constant Voltage (CV) 10A

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