Repeat Cycle
Specifications
Electrical
Input Voltage: 24 to 120V ±10%
Frequency: AC - 50/60Hz
DC - Filtered to Full Wave
Time Delays:
Type: Adjustable, Factory Fixed or Remote
Range: 100 Milliseconds to 5 Minutes
Repeat Accuracy:
±1% with Fixed Conditions
Reset Times:
During Timing: 50 Milliseconds,Typical
Protection: Varistor and/or R-C Network
Power Consumption: 5VA
Output Ratings:
Type: Solid State, Non-Isolated
Form: One Normally Open (1NO, Form A)
Rating: 1 Amp Continuous @ 25°C
Resistive: 100% PF
Inductive: 80% PF
15 Amps Inrush, Non-repetitive
30 mAmps to ensure turn-on
Ordering Information
MRS - 120A - 4 S
R-K Model
Input Voltages
24D - 24VDC
24A - 24VAC
120A - 120VAC
Solid State Timer
Physical
Mounting: Surface, #6 Screws
Termination: Screw or .25" Push-On Tabs
Packaging: Epoxy Filled
Weight: 4 Oz.
Ambient Temperatures
Operating: 0°C to 65°C
U.L. Operation: 0°C to 40°C
Storage: -30°C to 85°C
Notes:
On MRS with remote timing resistors,
multiples of 2.7 megohms will increase
the time delay by 1 minute ±20%.
For adjustment codes 4 a jumper or
resistor must be installed across terminals
5 and 6 for the On Time and Terminals
7 & 8 for the Off Time to allow the timer
to time out.
On Off
(Fixed - Times)
Termination
S - Screw Terminals
T - .25" Push-On Tabs
Adjustments
1 - Fixed
(Specify time in sec.)
4 - Remote timing resistor
MRS
• Independent On
& Off Times
• 1 Amp Output, 1NO
• Indicating LED
• Fixed or Adjustable
Delays
• Screw Terminals or
Push-On Tabs
• Voltages from
24 to 120VAC
• Epoxy Filled
DIN Rail Bracket #DRB-2
Dimensions
2"
1.63"
5 6 7 8
1 2 3 4
1.2"
1.4"
2.7"
Connections
Remote Timing Adj.
On
5 6 7 8
1 2 3 4
C1
+
Input Voltage
MS
+ -
Load
-
E71902
Operation
Repeat Cycle
When input voltage is applied to the
Off
MRS, the load is energized and the
first delay period (on time) begins.
At the end of the on time period, the
load is de-energized and the
second delay period (off time)
begins. The MRS will continue to
cycle the load until the input voltage
is removed.
On Time
Initiate
Off Time
On Time
4/00
Off Time
E12
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