Product Model

IB ST ZF 24 AI 4/SF4

In Stock
Last updated: 2025/4/20
Phoenix Contact IB ST ZF 24 AI 4/SF4

Selling Points

  • 1High operational reliability under extreme industrial conditions.
  • 2Advanced EMC measures for comprehensive protection.
  • 3Separate shield connection option for each input without extra wiring.
  • 4Automatic protective earth ground connection via DIN rail.
  • 5Supports 2, 3, and 4-wire sensor connection technology.
Product Details
IB ST ZF 24 AI 4/SF4
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Width
118 mm
Height
117 mm
Length
116 mm
EMC note
EMC: class A product, see manufacturer's declaration in the download area
Color
green
Connection method
ST local bus connector
Transmission speed
500 kbps
Transmission physics
Copper
Product type
I/O component
Product family
Smart Terminal ST
Type
modular INTERBUS Smart Terminal
No. of channels
4
Maximum power dissipation for nominal condition
1.56 W
Test section
Bus/Inputs 500 V AC 50 Hz 1 min Supply voltage/inputs 500 V AC 50 Hz 1 min Supply voltage/Ground conductor 500 V AC 50 Hz 1 min I/O voltage/Ground conductor 500 V AC 50 Hz 1 min
Communications power U
9 V DC (from the ST local bus)
I/O voltage
± 24 V DC 5 % (ripple)
I/O voltage range
20 V DC ... 30 V DC
Max. current consumption
125 mA (without passive sensors)
Typical current consumption
65 mA (without passive sensors)
Connection method
Spring-cage connection
Conductor cross section rigid
0.2 mm² ... 1.5 mm²
Conductor cross section flexible
0.2 mm² ... 1.5 mm²
Conductor cross section AWG
24 ... 16
Stripping length
8 mm
Connection method
Spring-cage connection
Conductor cross section, rigid
0.2 mm² ... 1.5 mm²
Conductor cross section, flexible
0.2 mm² ... 1.5 mm²
Conductor cross section AWG
24 ... 16
Stripping length
8 mm
Degree of protection
IP20
Mounting type
DIN rail mounting

Specifications may be subject to change without notice