HEP 100W to 320W Harsh Environment Power Supplies

MEAN WELL HEP 100-320W Harsh Environment Power Supplies are high-grade AC/DC power supplies with low noise and the ability to operate in extreme conditions and temperatures. The HEP devices provide rated power of 100W, 150W, 185W, 240W, or 320W in an aluminum case with an interior that is fully potted with heat-conducted silicone. These power supplies offer IP65 protection against the ingress of dust and water (optional IP68 level models are also available). The devices also feature up to 10G anti-vibration capability. 

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Power Supplies - Chassis Mount

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MEAN WELL Power Supplies - Chassis Mount O/P +24V4A
Datasheet
84In Stock
Min.: 1
Mult.: 1

96 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 24 VDC 4 A Enclosed 3.75 kVAC 93 % Industrial 220 mm 68 mm 38.8 mm HEP-100
MEAN WELL Power Supplies - Chassis Mount O/P +15V10A
Datasheet
24In Stock
Min.: 1
Mult.: 1

150 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 15 VDC 10 A Enclosed 3.75 kVAC 92 % Industrial 228 mm 68 mm 38.8 mm HEP-150
MEAN WELL Power Supplies - Chassis Mount 186.3W 54V 3.45A IP 65 W/PFC Enclosed
Datasheet
40In Stock
Min.: 1
Mult.: 1

186.3 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 54 VDC 3.45 A Enclosed 3.75 kVAC 94 % Industrial 228 mm 68 mm 38.8 mm HEP-185
MEAN WELL Power Supplies - Chassis Mount O/P +24V13.34A
Datasheet
134In Stock
Min.: 1
Mult.: 1

320.16 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 24 VDC 13.34 A Enclosed 3.75 kVAC 94 % Industrial 252 mm 90 mm 43.8 mm HEP-320
MEAN WELL Power Supplies - Chassis Mount O/P +12V12.5A
Datasheet
25In Stock
47Expected 29/09/2026
Min.: 1
Mult.: 1

150 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 12 VDC 12.5 A Enclosed 3.75 kVAC 91.5 % Industrial 228 mm 68 mm 38.8 mm HEP-150
MEAN WELL Power Supplies - Chassis Mount O/P +24V6.3A
Datasheet
59In Stock
72Expected 21/12/2026
Min.: 1
Mult.: 1

151.2 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 24 VDC 6.3 A Enclosed 3.75 kVAC 93 % Industrial 228 mm 68 mm 38.8 mm HEP-150
MEAN WELL Power Supplies - Chassis Mount 187.2W 24V 7.8A IP65 W/PFC
Datasheet
29In Stock
Min.: 1
Mult.: 1

187.2 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 24 VDC 7.8 A Enclosed 3.75 kVAC 93.5 % Industrial 228 mm 68 mm 38.8 mm HEP-185
MEAN WELL Power Supplies - Chassis Mount 225W 15V 15A IP65 Vo /Io Adj w/Pot
Datasheet
26In Stock
120Expected 11/11/2026
Min.: 1
Mult.: 1

225 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 15 VDC 15 A Enclosed 3.75 kVAC 90 % Industrial 244.2 mm 68 mm 38.8 mm HEP-240
MEAN WELL Power Supplies - Chassis Mount 240W 24V 10A IP65 Vo/Io Adj w/Pot
Datasheet
136In Stock
Min.: 1
Mult.: 1

240 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 24 VDC 10 A Enclosed 3.75 kVAC 92.5 % Industrial 244.2 mm 68 mm 38.8 mm HEP-240
MEAN WELL Power Supplies - Chassis Mount 240W 48V 5A IP65 Vo/Io Adj w/Pot
Datasheet
56In Stock
144Expected 11/11/2026
Min.: 1
Mult.: 1

240 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 48 VDC 5 A Enclosed 3.75 kVAC 93 % Industrial 244.2 mm 68 mm 38.8 mm HEP-240
MEAN WELL Power Supplies - Chassis Mount O/P +15V19A
Datasheet
47In Stock
Min.: 1
Mult.: 1

285 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 15 VDC 19 A Enclosed 3.75 kVAC 92.5 % Industrial 252 mm 90 mm 43.8 mm HEP-320
MEAN WELL Power Supplies - Chassis Mount 95.4W 36V 2.65A IP65 W/PFC Enclosed
Datasheet
7In Stock
Min.: 1
Mult.: 1

95.4 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 36 VDC 2.65 A Enclosed 3.75 kVAC 93 % Industrial 220 mm 68 mm 38.8 mm HEP-100
MEAN WELL Power Supplies - Chassis Mount 95.58W 54V 1.77A IP 65 W/PFC Enclosed
Datasheet
1In Stock
Min.: 1
Mult.: 1

95.58 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 54 VDC 1.77 A Enclosed 3.75 kVAC 93 % Industrial 220 mm 68 mm 38.8 mm HEP-100
MEAN WELL Power Supplies - Chassis Mount 151.2W 54V 2.8A IP65 W/PFC Enclosed
Datasheet
2In Stock
Min.: 1
Mult.: 1

151.2 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 54 VDC 2.8 A Enclosed 3.75 kVAC 94 % Industrial 228 mm 68 mm 38.8 mm HEP-150
MEAN WELL Power Supplies - Chassis Mount 156W 12V 13A IP65 W/PFC
Datasheet
2In Stock
24Expected 13/01/2027
Min.: 1
Mult.: 1

156 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 12 VDC 13 A Enclosed 3.75 kVAC 91.5 % Industrial 228 mm 68 mm 38.8 mm HEP-185
MEAN WELL Power Supplies - Chassis Mount 187.2W 48V 3.9A IP65 W/PFC Enclosed
Datasheet
1In Stock
5Expected 25/09/2026
Min.: 1
Mult.: 1

187.2 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 48 VDC 3.9 A Enclosed 3.75 kVAC 94 % Industrial 228 mm 68 mm 38.8 mm HEP-185
MEAN WELL Power Supplies - Chassis Mount 192W 12V 16A IP65 Vo/Io Adj w/Pot
Datasheet
14In Stock
12Expected 02/12/2026
Min.: 1
Mult.: 1

192 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 12 VDC 16 A Enclosed 3.75 kVAC 90 % Industrial 244.2 mm 68 mm 38.8 mm HEP-240
MEAN WELL Power Supplies - Chassis Mount 241.2W 36V 6.7A IP65 Vo/Io Adj w/Pot
Datasheet
5In Stock
Min.: 1
Mult.: 1

241.2 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 36 VDC 6.7 A Enclosed 3.75 kVAC 92.5 % Industrial 244.2 mm 68 mm 38.8 mm HEP-240
MEAN WELL Power Supplies - Chassis Mount 240.3W 54V 4.45A IP65 Vo/Io Adj w/Pot
Datasheet
12In Stock
Min.: 1
Mult.: 1

240.3 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 54 VDC 4.45 A Enclosed 3.75 kVAC 93.5 % Industrial 244.2 mm 68 mm 38.8 mm HEP-240
MEAN WELL Power Supplies - Chassis Mount O/P +36V8.9A
Datasheet
12In Stock
Min.: 1
Mult.: 1

320.4 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 36 VDC 8.9 A Enclosed 3.75 kVAC 94 % Industrial 252 mm 90 mm 43.8 mm HEP-320
MEAN WELL Power Supplies - Chassis Mount O/P +48V6.7A
Datasheet
9In Stock
16Expected 21/12/2026
Min.: 1
Mult.: 1

321.6 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 48 VDC 6.7 A Enclosed 3.75 kVAC 94.5 % Industrial 252 mm 90 mm 43.8 mm HEP-320
MEAN WELL Power Supplies - Chassis Mount O/P +12V22A
Datasheet
313Expected 29/09/2026
Min.: 1
Mult.: 1

264 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 12 VDC 22 A Enclosed 3.75 kVAC 91 % Industrial 252 mm 90 mm 43.8 mm HEP-320
MEAN WELL Power Supplies - Chassis Mount 96W 48V 2A IP65 W/ PFC Enclosed
Datasheet
48Expected 21/12/2026
Min.: 1
Mult.: 1

96 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 48 VDC 2 A Enclosed 3.75 kVAC 93 % Industrial 220 mm 68 mm 38.8 mm HEP-100
MEAN WELL Power Supplies - Chassis Mount 153.6W 48V 3.2A IP65 W/PFC Enclosed
Datasheet
60Expected 29/09/2026
Min.: 1
Mult.: 1

153.6 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 48 VDC 3.2 A Enclosed 3.75 kVAC 94 % Industrial 228 mm 68 mm 38.8 mm HEP-150
MEAN WELL Power Supplies - Chassis Mount 240W 48V IP65 Enclosed
Datasheet
2Expected 25/09/2026
Min.: 1
Mult.: 1

240 W 90 VAC to 264 VAC, 128 VDC to 370 VDC 1 Output 48 VDC 5 A Enclosed 3.75 kVAC 93 % Industrial 244.2 mm 68 mm 38.8 mm HEP-240