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KNX-40E-1280 MEAN WELL Power Supply | HTD Electronics
Manufacturer MEAN WELL

KNX-40E-1280D

Availability: Out of stock
38.4 W30 V1.28 A180V–264V in

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KNX-40E-1280D
Quantity Prices (CAD)
Quantity
Unit Price (CAD)
1+
$316.34 CAD
10+
$300.52 CAD
20+
$294.20 CAD
50+
$287.87 CAD
100+
$281.54 CAD
200+
$275.22 CAD
All prices are displayed in CAD. *Import tariff is included in the listed price. You pay exactly what you see—no surprise fees at checkout. Discounts are applied automatically based on the total quantity added to your cart.
Quick Specs
Input Voltage
180V~264V
Output Voltage
30V
Rated Current
1.28A
Power Rating
38.4W
Waterproof
Non-waterproof
Dimensions & Weight
3.54 x 2.83 x 2.24 in0.72 lbs

Datasheet (PDF)

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Features

EIB/KNX power supply with integrated choke
Compact size with 4SU width(72mm)
Safety extra low voltage (SELV)
180~264VAC input
Protections: Short circuit / Overload / Over voltage
Cooling by free air convection
Isolation class I
LED indicator for normal operation, bus reset, and bus overload
Monitoring of output voltage, output current, bus traffic load, and device temperature
Provide a wide variety of diagnostic and logical function
Overvoltage category III
3 years warranty

General Specification

AC input voltage range 180~264VAC; 176~280VDC
AC inrush current COLD START 60A(twidth=1200μs measured at 50% Ipeak)/230VAC
Rated current 1280mA
Overload protection 205%~235% rated output power, constant current limiting, auto-recovery
Over-voltage protection 110%~117% rated output voltage
Setup, rise, backup time 1000ms, 50ms, 200ms
Withstand voltage I/P-O/P:4.2KVAC I/P-FG:2KVAC
Working temperature -30~+70°C 
Vibration 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, and Z axes
Safety standards BS EN/EN61558-1,BS EN/EN61558-2-16;BS EN/EN50491-3 approved
EMC standards EN50491-5-2,3; EN61000-3-2,3; EN61000-4-2,3,4,5,6,8,11
Connection I/P: 3 poles, O/P: 2 poles screw DIN terminal + 2 bus terminal
Dimension (LxWxH) 72x90x57
Packing 48pcs / 16.4kg

Similar Models

Same product family and output voltage, with the closest available power ratings.

Environmental Documents
📄 E6) COC-REACH (2026/01/28) 📄 E9) CMRT (2025/04/25) 📄 E14) COC-ROHS 2 (2015/863/EU) (2024/10/04) 📄 REACH Certificate (PDF) (2020/12/03) 📄 ROHS Certificate (PDF) (2020/05/29) 📄 E12) COC-ROHS 2 (2011/65/EU) (2016/10/01)
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