AC/DC Input Module | 1771-IA Series C Allen-Bradley

1771-IA/C Specifications

Inputs per Module

8

Module Location

1771 I/O chassis

Nominal Input Voltage

120V ac @ 47 – 63Hz
125V dc

Nominal Input Current

6.83mA @ 120V ac 50Hz
7.9mA @ 120V ac 60Hz
7.6mA @ 125V dc

On-state Voltage Range

87V ac to 138V ac
97V dc to 138V dc

On-state Current (minimum)

5.2mA

On-state Voltage (maximum)

45V ac peak
57V dc

Off-state Current (maximum)

2.8mA ac or dc

Input Impedance

Refer to simplified schematic

Input Signal Delay

Off to On: 24±10ms for ac, 24±10ms for dc
On to Off: 24±10ms for ac, 24±10ms for dc

Power Dissipation

10.7 Watts (max.), 0.4 Watts (min.)

Thermal Dissipation

36.5 BTU/hr (max.), 1.4 BTU/hr (min.)

Backplane Current

75mA

Isolation Voltage

Isolation meets or exceeds UL Standard 508, and CSA Standard C22.2 No. 142

Environmental Conditions

Operational Temperature: 0° to 60°C (32° to 140°F)
Storage Temperature: -40° to 85°C (-40° to 185°F)
Relative Humidity: 5 to 95% without condensation

Conductors

Wire Size: 14 gauge (2mm²) stranded maximum
3/64 inch (1.2mm) insulation maximum

Keying

Between 4 and 6
Between 10 and 12

Field Wiring Arm

Catalog Number 1771-WA

Wiring Arm Torque

7-9 inch-pounds

Agency Certification

CSA certified
CSA Class I, Division 2, Groups A, B, C, D certified
UL listed
CE marked for all applicable directives

Installation Instructions

1771-2.1