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UNS1000-BN18-TC Telescopic Level and Temperature Switches


UNS1000-BN18-TC combines a normally open float level switch and a normally closed 60°C (140°F) bimetal temperature switch in a compact top-mounted assembly. Its telescopic stem lets the installation length be adjusted within the selected model’s range.

Brass wetted parts and a foamed NBR float suit compatible hydraulic reservoir and OEM applications at atmospheric pressure. Choose a G1/2 or 1 NPT connection and the required length range from the six catalogue order numbers below.


Select & Configure Model
Base Model #Sensing / LayoutTemperature Range / SetpointOutputsProbe / ConnectionAvailabilityConfigure Part #
 
0112-987L0 190–260; L1 160–230 mm60°C (140°F), fixed NCLevel NO + temperature NCG1/2; Lf 145 mmInquire
0112-988L0 250–380; L1 220–350 mm60°C (140°F), fixed NCLevel NO + temperature NCG1/2; Lf 205 mmInquire
0112-989L0 375–630; L1 345–600 mm60°C (140°F), fixed NCLevel NO + temperature NCG1/2; Lf 330 mmInquire
0112-1108L0 170–240; L1 140–210 mm60°C (140°F), fixed NCLevel NO + temperature NC1 NPT; Lf 120 mmInquire
0112-1109L0 230–360; L1 200–330 mm60°C (140°F), fixed NCLevel NO + temperature NC1 NPT; Lf 185 mmInquire
0112-1110L0 355–610; L1 325–575 mm60°C (140°F), fixed NCLevel NO + temperature NC1 NPT; Lf 310 mmInquire
Temperature Range:

Standard temperature switching point 60°C (140°F).

Accuracy:

Temperature indexing tolerance ±5 K; length tolerance ±3 mm.

Electrical Rating:

Maximum 24 VAC/DC, 1 A, 20 VA/W.

Material:

Process connection and stem: brass. Stopper: bronze. Float: foamed NBR (Buna).

Electrical Connections:

1 m cable, 4 × 0.25 mm²; PA cable gland.

Range:

Minimum medium density 0.64 g/cm³. Immersion at density 1: 15±2 mm.

Operating Temperature:

-10 to 90°C (14 to 194°F).

Control action:

Bimetal temperature contact NC at room temperature; differential 30±15 K. Float level contact NO.

Pressure Limit:

Atmospheric pressure for the telescopic TC model.

Process Connection:

Top mounting; G1/2 or 1 NPT male, depending on order number.

Enclosure Rating:

IP65 / NEMA 4.

Length:

Telescopic L0 and L1 ranges depend on order number; see model table and drawing.


Model selection

Order using the complete numeric order number in the table. L0 is overall insertion length, L1 is the level switching dimension, and Lf is the fixed reference length shown in the drawing. Length tolerance is ±3 mm. Other lengths and temperature switchpoints require an inquiry.

The catalogue rating for this telescopic TC version is atmospheric pressure, maximum 24 VAC/DC, 1 A and 20 VA/W. These model-specific ratings govern even where the general UNS operating instructions describe higher limits for other constructions. The standard 60°C temperature contact is normally closed at room temperature.

The general operating instructions cover the wider UNS1000/UNS2000 family. Use the TC catalogue drawing and product label for this model’s wiring and limits. Availability is by inquiry.


Mod Tronic Instruments Limited
1 Delta Park Blvd #12
Brampton, ON L6T 5G1
Phone: 905-457-6322 or 1-800-794-5883
Fax: 905-457-4716 or 1-800-830-7122
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