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Small Compact Design Thermostat

Original price was: $28.05.Current price is: $19.64.

Easy Adjustability of Switchpoint
Push-In Terminals for Tool-Free Wiring
Available with °C or °F
Color Coded Temperature Dials

Control Mode

Minimum Control Temperature

Maximum Control Temperature

Load Voltage

Max Current Rating

Features

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SKU: KT011409-U Categories: Control & Monitoring, Controllers, Thermostats Tag: Omega Engineering

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Thermostat “NC” (Normally Closed): Thermostat opens at temperature. Comes with a RED temperature dial.
Thermostat “NO” (Normally Open): Thermostat closes at temperature rise. Comes with a BLUE temperature dial.

Products are transitioning to an upgraded model as shown below.

Small Compact Design Thermostat -Omega Engineering Sales Store KTS111 KTO111 Series description updated 450

TECHNICAL DATA
SPECIFICATIONS – UPGRADED MODELS

Switch temperature difference: 7 K (±4 K tolerance)
Sensor element: thermostatic bimetal
Contact type: snap-action contact
Service life: 100,000 cycles verified
Max. operating voltage, frequency range: AC 250 V, 50-60 Hz
Max. inrush current: AC 16 A for 10 sec.
Connection¹: 2 Push-In clamps
rigid wire 2.5 mm² (AWG 14)
stranded wire 1.5 mm² (AWG 16)
Mounting: clip for 35 mm DIN rail, EN 60715
Casing: plastic according to UL94 V-0, light grey
Dimensions: 60 x 33 x 41 mm
Weight: approx. 40 g
Fitting position: variable
Operating/Storage temperature: -45 to +80 °C (-49 to +176 °F)
Operating/Storage humidity: max. 90 % RH (non-condensing)
Protection type/Protection class: IP20 / II
Overvoltage category/Altitude: II: up to 5,000 m; III: up to 2,000 m

^¹ Stripped length of rigid wire: 10 to 12 mm. When connecting with wires, wire end ferrules must be used (square or trapezoid
crimp). Length of wire end ferrule: 10 mm or 12 mm.

Important note: The contact system of the regulator is subjected to environmental influences, thus the contact resistance may
change. This can lead to a voltage drop and/or self-heating of the contacts.

SPECIFICATIONS – PREVIOUS MODELS

Sensor Element: Thermostatic bi-metal
Maximum Tolerance: ±7 °F (4K)
Switching Difference (Hysteresis): 12.6°F ±5.4°F (7°C ±3K)
Service Life: 100,000 cycles
Switching Capacity (Max Load): 15 A resistive/2 A inductive @ 120 Vac, 10 A resistive/2 A inductive @ 250 Vac, DC 30W
Minimum Load: 20 mA (all voltages)
Connections: 2-pole terminal for AWG 14 max [2.5 mm ² (0.10 in ²)]
Mounting: Clip for 35 mm (1.4″) DIN rail (EN 50022)
Dimensions: 60 H x 33 W x 43 mm D (2.4 x 1.3 x 1.7″)
Housing: Plastic, UL94V-0
Weight: 40 g (1.4 oz)
Protection Type: NEMA 2 (IP20)
Operating Temperature: -45 to 70°C (-49 to 158°F)
Storage Temperature: -45 to 70°C (-49 to 158°F)
Specifications are subject to change without notice. Suitability of this product for its intended use and any associated risks must be determined by the end customer/buyer in its final application.

Control Mode	Heating, Cooling
Minimum Control Temperature	32°F, 0°C
Maximum Control Temperature	140°F, 60°C
Load Voltage	120 – 250 VAC, 100 to 250 Vac
Max Current Rating	15 (2) A @ 120 VAC 10 (2) A @ 250 VAC DC 30W, 15 A
Features	Normally closed, NO close on rise, Normally open
Temperature Type	Adjustable