OTL101C Line Voltage Thermostat (°C)

T822
Models
F29
Rectangular Thermostat
with Mercury Bulb
Product # Color Range Description
T822D2550 White
T822D1024 Beige
Universal Guard
RT850 Electronic Triac Relay RC840
The all in one solution. Silent operation, optimum regulation
when combined with a pulsing proportional thermostat. Integrated
or non integrated 24V transformer as well as indicator
light to see at a glance whether the triac relay is on. Can control
power levels of 23A and 208V/240V/277V/347V.
Models
Adjustable mercury bulb
10 °C to 30 °C anticipator 1A max.
(50 °F to 86 °F) (controls up to 5 relays
without transformer)
Product # Voltage 60 Hz Resistive charge (A) Input signal
Without transformer (pulsing)
RT850
120/208/240
347
23
23
24VAC and
4 to 32VDC
With transformer
RT850T-240 208/240 23 24VAC
RT850T-347 347 23 24VAC
OTL101
Models
Model
Product # Description
F29-0143
Models
Line Voltage Thermostat
Product # Power Range Description
OTL101C 19A at 277V 5 °C to 25 °C Single-pole, single-throw,
OTL101F 22A at 240V 40 °F to 75 °F white
Protects both line and low voltage thermostats
against vandalism, damage and unauthorized
temperature settings
Conventional On/Off Relay
Product # Voltage 60 Hz Resistive charge (A)
Without transformer
120 22
RC840
208/240 22
347 18
R841D1028
With transformer
600 10
24A05A-1 120 25
RC840T-240 208/240 22
RC840T-277 277 19
RC840T-347 347 18
R841C1151 600 10
NOTE: Not recommended for fast-cycling modulated regulation (less than 6 cycles/h).
For fast-cycling heating equipment, we recommend the RT850 or RT850T (integrated
24V transformer) Solid State Relay.
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