Blue Ink is member of Ultimheat Alliance Controls and heating equipments

Blue Ink is member of Ultimheat Alliance Controls and heating equipments

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ULTIMHEAT : Professional applications bulb
and capillary thermostat. Type K

Types KR and KU, Single pole control thermostat, standard differential and reduced differential (Commercial type)

Housing dimensions: 79 x 53 x 36 mm (without terminals)

Bulb and capillary: copper for temperature ranges up to 50°C (122°F), stainless steel over, capillary
length 1500 mm or 3000 mm. Capillary minimum bending radius 5mm.

Temperature sensing element: liquid filled bulb and capillary.

Terminals: 6.35 x 0.8 quick connect terminals (M4 screws also available on request),

Adjustment: Dia. 6 mm shaft with 4.6 mm flat, (other lengths or fixed setting available on request).

Mounting: Front bracket with 2 xM4 threads, 28 mm distance

Rating: 15A (1/4 HP) 250VAC, 15A 400V res. KU type cannot be used on 400V

Contacts: SPDT (snap action contact)

Electrical life: >500,000 cycles at nominal rating

References with standard differential References with reduced differential Temperature range (°C/°F) Capillary length (mm) Bulb diameter (mm) Bulb length (mm) KR: Standard Differential (°C/°F) KU: Reduced Differential (°C/°F) Max temperature on bulb (°C/°F)
KRA-250252200 KUA-250252200 -25+25°C
(-15+80°F)
1500 6.4 152 3±2°C
(5.5±3.6 °F)
2±1°C
(3.6±1.8 °F)
50°C
(120°F)
KRA-1001552000 KUA-1001552000 -10+15°C
(15-60°F)
1500 6.4 152 3±2°C
(5.5±3.6 °F)
2±1°C
(3.6±1.8 °F)
50°C
(120°F)
KRA0000502000 KUA0000502000 0-50°C
(32-120°F)
1500 6.4 152 3±2°C
(5.5±3.6 °F)
2±1°C
(3.6±1.8 °F)
60°C
(140°F)
KRA0000705200 KUA0000705200 0-70°C
(32-160°F)
1500 4.8 130 5±3°C
(9±5.4°F)
3±2°C
(5.5±3.6 °F)
160°C
(320°F)
KRA0000701200 KUA0000701200 0-70°C
(32-160°F)
3000 4.8 130 5±3°C
(9±5.4°F)
3±2°C
(5.5±3.6 °F)
160°C
(320°F)
KRA0200905000 KUA0200905000 20-90°C
(70-195°F)
1500 4.8 130 5±3°C
(9±5.4°F)
3±2°C
(5.5±3.6 °F)
160°C
(320°F)
KRA0200901000 KUA0200901000 20-90°C
(70-195°F)
3000 4.8 130 5±3°C
(9±5.4°F)
3±2°C
(5.5±3.6 °F)
160°C
(320°F)
KRA0101505000 KUA0101505000 10-150°C
(50-300°F)
1500 4.8 130 5±3°C
(9±5.4°F)
3±2°C
(5.5±3.6 °F)
160°C
(320°F)
KRA0101501000 KUA0101501000 10-150°C
(50-300°F)
3000 4.8 130 5±3°C
(9±5.4°F)
3±2°C
(5.5±3.6 °F)
160°C
(320°F)
KRA0802000100 KUA0802000100 80-200°C
(175-390°F)
1500 4 100 10±4°C
(18±7°F)
7±3°C
(12.5±5.4 °F)
320°C
(610°F)
KRA0503000100 KUA0503000100 50-300°C
(120-570°F)
1500 4 100 10±4°C
(18±7°F)
7±3°C
(12.5±5.4 °F)
320°C
(610°F)
KRA0104507000 KUA0104507000 10-450°C
(50-840°F)
1500 4.8 120 20±6°C
(36±11°F)
12±4°C
(22±7 °F)
760°C
(1400°F)
KRA0104509000 KUA0104509000 10-450°C
(50-840°F)
3000 4.8 120 20±6°C
(36±11°F)
12±4°C
(22±7 °F)
760°C
(1400°F)
KRA0605007000 KUA0605007000 60-500°C
(140-930°F)
1500 4.8 120 20±6°C
(36±11°F)
12±4°C
(22±7 °F)
760°C
(1400°F)
KRA0605009000 KUA0605009000 60-500°C
(140-930°F)
3000 4.8 120 20±6°C
(36±11°F)
12±4°C
(22±7 °F)
760°C
(1400°F)
KRA1806007000 KUA1806007000 180-600°C
(360-1110°F)
1500 4.8 120 20±6°C
(36±11°F)
12±4°C
(22±7 °F)
760°C
(1400°F)
KRA1806009000 KUA1806009000 180-600°C
(360-1110°F)
3000 4.8 120 20±6°C
(36±11°F)
12±4°C
(22±7 °F)
760°C
(1400°F)
KRA2807007000 KUA2807007000 280-700°C
(540-1290°F)
1500 3 300 20±6°C
(36±11°F)
12±4°C
(22±7 °F)
760°C
(1400°F)
These thermostats are also available with screw driver adjustment, 20 or 30 mm shaft length Caution: Bulbs and capillaries of ranges higher than 300°C are filled with sodium potassium eutectic. If they leak or are broken this liquid is flammable if in contact with water

°C Printed knobs

-25+25°C 66MZ006-250252FW
-10+15°C 66MZ006-100153FW
0-50°C 66MZ0060000502FW
0-70°C 66MZ0060000703FW
20-90°C 66MZ0060200903FW
10-150°C 66MZ0060101503FW
50-300°C 66MZ0060503003FW
10-450°C 66MZ006014503FW
180-400°C 66MZ0061804003FW
60-500°C 66MZ0060605003FW
280-700°C 66MZ0062807003FW

°F Printed knobs

5-80°F 66MZ006-250252FX
15-60°F 66MZ006-100153FX
32-120°F 66MZ0060000502FX
32-160°F 66MZ0060000703FX
70-195°F 66MZ0060200903FX
50-300°F 66MZ0060101503FX
120-570°F 66MZ0060503003FX
50-840°F 66MZ006014503FX
360-752°F 66MZ0061804003FX
360-1110°F 66MZ0060605003FX
540-1290°F 66MZ0062807003FX

Soft grip knob and bezel dimensions

Dimensions

References - 66MZ……

Material - PC + Santoprene

References - 66EN1

Material - Black ABS

References - 66EN3

Material - Chrome plated ABS

References - 66EN2

Material - Stainless steel

References - 66GA2890K

Material - Black PA66

Many other knobs are available, see the full knob list at the end of this catalogue.
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