
https://www.phoenixcontact.com/us/products/2280349
02/04/2019Page2/9
Interface module-DFLK-D37 SUB/B-2280349
Technical data
Ambient conditions
Ambient temperature (operation) -20 °C ... 50 °C
Ambient temperature (storage/transport) -20 °C ... 70 °C
General
Max. perm. operating voltage 25 V AC
60 V DC
Max. perm. current (per branch) 2.5 A
Max. permissible current (all branches) 50 A
Number of positions 37
Mounting position any
Assembly instructions In rows with zero spacing
Degree of protection IP20
Connection data for connection 1
Connection name Field level
Connection in acc. with standard IEC / EN
Connection method Screw connection
Stripping length 8 mm
Screw thread M3
Conductor cross section solid 0.2 mm² ... 4 mm²
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section AWG 24 ... 12
Connection data for connection 2
Connection name Controller level
Connection method D-SUB socket strip
Number of positions 37
Standards and Regulations
Connection in acc. with standard CUL
Standards/regulations IEC60664
DIN EN 50178
Rated insulation voltage 125 V
Rated surge voltage 1.2 kV (Functional insulation)
Degree of pollution 2
Overvoltage category II
Environmental Product Compliance
REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50