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 : IP44 housing bulb and capillary thermostat. Type Y03

Main features


Housing: IP44, 77,5 x 54 x 536 mm, (Knob and cable gland not included), black PC-ABS, UL94V0. High impact and UV resistance. Stainless steel wall mounting plate, with 2 plastic lugs.

Electrical input: M16 cable gland.

Temperature Adjustment: With °C printed knob.

°F printed knobs available in option Sensing element: Liquid filled bulb, located inside a backside mounted 304L stainless

steel pocket. Adjustment ranges: -35+35°C (-30+95°F), 4-40°C (40-105°F), 30-90°C (85-195°F), 30-110°C (90-230°F)

Rod length: 90, 230, 300 mm. Other length on request

Electrical connections: screw terminals

Mounting: by the ½”BSPT pocket fitting

Contact: SPDT

Electrical rating: - Open on temperature rise contact (C-1) 16A(2.6) 250VAC - Close on temperature rise contact (C-2) 6A(0.6) 250VAC - Electrical life >100.000 cycles. Cannot be used in 400VAC.

Main references with nickel plated brass pocket*

Temperature ranges (°C) Temperature ranges (°F) References in °C with rod length L=90 mm* References in °C with rod length L=230 mm* References in °C with rod length L=300 mm* Differential °C (°F) Max temperature on rod °C (°F)
-35+35°C -30+95°F   Y048GA-35035N23C Y048GA-35035N30C 3±2 (5.5±4) 55 (130)
4-40°C 40-105°F   Y048GA004040N23C Y048GA004040N30C 3±2 (5.5±4) 60 (140)
30-90°C 85-195°F Y048GA030090N09C Y048GA030090N23C Y048GA030090N30C 4±3 (7±5.5) 120 (250)
30-110°C 90-230°F Y048GA030110N09C Y048GA030110N23C Y048GA030110N30C 5±3 (9±7) 150 (300)
Temperature ranges (°C) Temperature ranges (°F) References in °C with rod length L=90 mm* References in °C with rod length L=230 mm* References in °C with rod length L=300 mm* Differential °C (°F) Max temperature on rod °C (°F)
-35+35°C -30+95°F   Y048GA-35035I23C Y048GA-35035I30C 3±2 (5.5±4) 55 (130)
4-40°C 40-105°F   Y048GA004040I23C Y048GA004040I30C 3±2 (5.5±4) 60 (140)
30-90°C 85-195°F Y048GA030090I09C Y048GA030090I23C Y048GA030090I30C 4±3 (7±5.5) 120 (250)
30-110°C 90-230°F Y048GA030110I09C Y048GA030110I23C Y048GA030110I30C 5±3 (9±7) 150 (300)

Other temperature range, consult us
* Versions with °F printed knobs: replace the last character C by D in the reference


Knob printings



°C Printed knobs

-35+35°C
4-40°C
30-90°C
30-110°C
-30+95°F
40-105°F
85-195°F
85-230°F
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