Datasheet

https://www.phoenixcontact.com/lt/products/2904945
11/24/2016Page3/5
Power supply unit-STEP-PS/277AC/24DC/3.5-2904945
Technical data
General
MTBF (IEC 61709, SN 29500) > 1094000 h (40°C)
Mounting position horizontal DIN rail NS 35, EN 60715
Assembly instructions Alignable: 0 mm horizontally, 30 mm vertically
Connection data, input
Connection method Screw connection
Conductor cross section solid min. 0.2 mm²
Conductor cross section solid max. 2.5 mm²
Conductor cross section flexible min. 0.2 mm²
Conductor cross section flexible max. 2.5 mm²
Conductor cross section AWG min. 24
Conductor cross section AWG max. 12
Stripping length 6.5 mm
Screw thread M3
Connection data, output
Connection method Screw connection
Conductor cross section solid min. 0.2 mm²
Conductor cross section solid max. 2.5 mm²
Conductor cross section flexible min. 0.2 mm²
Conductor cross section flexible max. 2.5 mm²
Conductor cross section AWG min. 24
Conductor cross section AWG max. 12
Stripping length 6.5 mm
Screw thread M3
Standards and Regulations
Electromagnetic compatibility Conformance with EMC Directive 2014/30/EU
Shock 18 ms, 30g, in each space direction (according to IEC 60068-2-27)
Noise immunity EN 61000-6-2:2005
Standards/regulations EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN61000-4-6
EN 61000-4-11
Standard - Safety of transformers EN 61558-2-16
Standard - Electrical safety IEC 60950-1/VDE 0805 (SELV)
Standard – Electronic equipment for use in electrical power installations
and their assembly into electrical power installations
EN 50178/VDE 0160 (PELV)
Standard – Safety extra-low voltage IEC 60950-1 (SELV) and EN 60204-1 (PELV)
Standard - Safe isolation DIN VDE 0100-410