Johnson Controls IOM3711 Installation Instructions Manual page 11

Table 3: IOM37 Terminal Blocks, Functions, Ratings, Requirements, and Cables
Terminal Block Terminal
Label Label
RELAY n OUT NO n
(Outputs)
OCOMn
OUT NC n
IOM3711 Input/Output Module Installation Instructions
Function, Ratings, Requirements
Normally Open Contact
Connects OCOM to OUT NO when activated.
UL Listed (-0 model only)
1/4 hp 120 VAC, 1/2 hp 240 VAC
360 VA Pilot Duty at 120/240 VAC (B300)
3 A Non-inductive 24–240 VAC
CE Marking (-2 model only):
6 (4) A N.O. or N.C. only, 240 VAC
Relay Common
Isolated from all other terminal commons, including other
Relay Commons.
Normally Closed Contact
Connects OCOM to OUT NC when activated.
UL Listed(-0 model only)
1/4 hp 120 VAC, 1/2 hp 240 VAC
360 VA Pilot Duty at 120/240 VAC (B300)
3 A Non-inductive 24–240 VAC
CE Marking (-2 model only):
6 (4) A N.O. or N.C. only, 240 VAC
Determine Wire Size and
Maximum Cable Length
The Relay output terminals can
accommodate the following
maximum wire sizes:
Two wires per terminal:
1.0 mm (18 AWG) maximum
wire size
or
One wire per terminal:
2.0 mm (12 AWG) maximum
Note: You must determine
the required wire size
for the high-voltage
(>30 V) terminals
according to relay
ratings, the applied
load, and the local,
national, or regional
electrical codes.
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