4 Channel Relay with
AC Supply
Voltage
Non-Hazardous Location
DA B C
• • •
•
•
•
•
•
•
•
•
VAC
Power
A
B
C
D
41 2 3
Intrinsically
Safe Wiring
Contact,
Resistance
or Conductivity
74 5 63
21
1411 12 131098 15
DA B
C
• • • • • •
5.80"
5.20"
1.740"
4.14"
4.38"
Specifications
Electrical
Supply Voltage: 24, 120 & 240VAC ±10%
Power: 2VA
Inputs: Switch Closure
or Probe (Conductivity)
Input Sensitivity: 3K - 1.5MΩ
Pick-up & Drop-out Delays: 1 second
Max. Open Circuit Voltage: 5 volts AC
Max. Source Current: 0.1 milliamp AC
Output Rating @ 25°C:
5 Amps or 100VA per contact
10 Amps total
250VAC maximum contact rating
10,000,000 Mechanical Cycles
Ordering Information
IS 4 R - 120A - R - 10K
R-K Model
Number of Channels
1 - 1 I/O
2 - 2 I/O
3 - 3 I/O
4 - 4 I/O
Mounting Options
R - DIN Rail
S - Surface
Intrinsically Safe Inputs
Physical
Mounting: Din Rail mount
Termination: Touch safe screw terminals,
with lift mechanism, #12 AWG max. for
supply and relay contacts, #16 AWG
max. for intrinsically safe inputs.
Weight: 10 Oz.
Ambient Temperatures
Operating: 0°C to 50°C
Storage: -40°C to 85°C
Sensitivity
10K - 10,000 Ohms
50K - 50,000 Ohms
100K - 100,000 Ohms
___ - Other Options
Relay Operation
R - Relay
Operating Voltage
24A - 24VAC
120A - 120VAC
240A - 240VAC
IS_-R
• 1, 2, 3, or 4 Channels
• Shorted Input Sensing
• Open Input Sensing
• Outputs Isolated
from Supply
Contact or Probe Inputs
•
• Conductivity or
Resistance Inputs
Output and Input
•
LED Indication
• Independent Operation
Pluggable Terminal Blocks
•
Connections
•
Dimensions
• Din or Surface Mount
• 24 to 240VAC Supply
UL913
Class I, Division 1
Groups A, B, C & D
19BM
Operation
Independent Channel Relay
Supply voltage must be applied to the
IS_-R relay during operation. The IS_-R can
have 1, 2, 3 or 4 channels. When IS input
#1 closes its LED changes and #1 output
contact closes. When IS input #1 opens#1
output contact opens. Each channel operates
independent of the other channels. LED
indicators are:
Red - When the IS input is open or high
Green - When both the IS input & output
contact are closed
Flashes - During transition delay
A green LED indicates when supply
voltage has been applied to the IS_-R.
3/1/06
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