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Concept

Concept


Products: CRS-HH-REL-10, RP-C
Functionalities: Hardware
Product version: 3.3, 2022, 2023, 2024, 7.0
3/29/2025

Wire Sizes and Lengths for the CRS-HH-REL-10 Relay Module

This section provides recommendations on wire sizes and lengths for the CRS-HH-REL-10 relay module.

The recommendations are for guidance only. Other wire sizes and lengths may be used, depending on wiring rules and when appropriate.

Table: Wire Sizes and Lengths for the CRS-HH-REL-10 Relay Module

Terminals

Minimum Cross-sectional Area

Maximum Cable Length

Relay output terminals (DO1 to DO10) a

According to local wiring rules b

According to local wiring rules b

Digital input terminals (DI1 to DI12) c

0.34 mm² (22 AWG)

200 m (650 ft)

  1. 10 x 2-pole screw terminal blocks.
  2. Confirm the voltage drop from the external load current and the wire resistance (the product of the wire size and length) to obtain the appropriate voltage arriving at the controlled field device (load), to reliably energize and maintain the control action.
  3. 2 x 9-pole screw terminal blocks.

See Also

  • I/O Wiring
  • Wire Sizes and Lengths
  • Wiring