Honeywell Temperature Controller

Honeywell Temperature Controller
Code: TMP-T675A1854
Price: $86.01
Quantity in Basket: None
Quantity:
Manufacturer: Honeywell

T675A, B, T678A Temperature Controller

The T675 and T678 Temperature Controllers regulate the temperature of air or liquids in ducts, pipes, tanks, and boilers. Typical uses include control of dampers and valves in heating, cooling, or heating-cooling systems.

Features
• T675A has 1 single-pole, double-throw (spdt) switch that breaks R-B and makes R-W at the set point on a temperature rise
• T675B Manual Reset Low Limit has 1 single-pole, single-throw (spst) switch that breaks at the set point on a temperature fall, and requires manual resetting
• T678A has 2 single-pole, double-throw (spdt) switches that operate in sequence. The right switch breaks R-B and makes R-W at the set point on a temperature rise. The left switch breaks R-B and makes R-W if the temperature continues to rise through the interstage differential
• T675A models available with an adjustable differential
• T675A and T678A have set point adjustment knob on front of case
• Capillary tubing allows remote mounting of sensing element; models available with various lengths
• T675A and T678A models available with a fast-response sensing element
• Controller can be mounted in any position
• Mounting accessories available for all applications
• Ambient temperature compensated
• Insert supplied with TRADELINE models replaces set point knob to discourage tampering

Specifications
Model
Snap-Acting
Switches
Differential
Operating Temp Range
Max Safe Bulb Temp
°F
°C
°F
°C
T675A
1 spdt
Adjustable
3 to 10°F
1.7 to 5.6°C
0 to 100
-18 to 38
125
52
160 to 260 71 to 127 280
138
Adjustable
3.6 to 12°F
2.0 to 6.7°C
55 to 175 13 to 79
200
93
Fixed
1°F
0.6°C
0 to 100
-18 to 38
125
52
55 to 175
13 to 79
200
93
160 to 260
71 to 127
280
138
T675B
1 spst
Manual reset
30 to 50
-1 to 10
125
52
T678A
2 spdt
Each switch
   Fixed:
         3°F
         1.7°C
Interstage
   Adjustable
        3 to 10°F
        1.7C to 5.6°C
0 to 100
-18 to 38
125
52
160 to 260
71 to 127
280
138
Each switch
   Fixed:
         3.6°F
         2.0°C
Interstage
   Adjustable:
         3.6 to 12°F
         2.0 to 6.7°C
0 to 100
-18 to 38
125
52
55 to 175 13 to 79
200
93

Replaces Part Number: T675A1854

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