Limit Controller with
34
(1.34)
75
(2.95)
28
(1.10)
69
(2.72)
Audible Buzzer
CN700 Series
F M
APPROVED
U Bright Red 3-Digit
LED Display
U J, K or S
Thermocouple Inputs
U High or Low Limit
U 15 A Relay Output
U Front Key Reset Button
or Remote Reset
U Internal Audible Buzzer
The CN700 Series thermocouple
FM approved high limit controllers
provide audible alarm status along
with a robust 15 amp relay output.
Unit allows the user to easily select
automatic or manual reset along
with 10 other parameters. The
CN700 series has a built in reset
button on the front panel or can
accept an external reset. The ease
of programming and low price
make the CN700 series the best
value limit control on the market.
Panel cutout dimensions:
71 x 29 mm (251⁄64 x 19⁄64")
Dimensions: mm (inches)
CN701
shown actual size.
Specifications
Temperature Range:
T/C Type J: 0 to 700°C (32 to 999°F)
T/C Type K or S: 0 to 999°C
(32 to 999°F)
Input: Type J, K or S thermocouple
Output: 15 A SPDT relay @
250 Vac resistive
Horsepower Rating (HP):
Control Type: ON/OFF manual/
automatic reset
Power Requirements: 110 Vac,
230 Vac, 12 or 24 Vac/Vdc
(depending on model)
Power Consumption: 4 VA
Accuracy: ±1% FS
Display: 3-digit, red, 12.7 mm (
digits, plus sign
Display Update Rate: 16 seconds
Resolution: 1°
Memory Backup: Nonvolatile memory
Ambient Operating Temperature:
-10 to 55°C (14 to 131°F)
Storage Temperature: -20 to 80°C
(-4 to 176°F)
Weight: 65 g (2.3 oz)
Panel Cutout: 71 x 29 mm
51
(2
⁄64 x 19⁄64")
Front Panel Rating: IP64
3
⁄4 HP
1
⁄2")
To Order Visit omega.com/cn700_series for Pricing and Details
Model No. Description
CN701 Limit controller, 110 Vac, °F
CN702 Limit controller, 110 Vac, °C
CN703 Limit controller, 230 Vac, °F
CN704 Limit controller, 230 Vac, °C
CN705 Limit controller, 12 Vac/Vdc, °F
CN706 Limit controller, 12 Vac/Vdc, °C
CN707 Limit controller, 24 Vac/Vdc, °F
CN708 Limit controller, 24 Vac/Vdc, °C
Comes complete with operator’s manual.
Ordering Examples: CN701, limit controller, 110V, °F with audible buzzer.
CN705, limit controller, 12 Vac/Vdc, °F with audible buzzer.
Accessory (Field Installable)
Model No. Description
CNQUENCHARC Noise suppression RC snubber (2 leads), 110 to 230 Vac
P-99