Technical specifications - PENN Controls - LIT-1922270 - T46ABH - T46ADH - T46JBH - T46JDH - T46JEA - T46SAA - T46SAH - T46SDA - T46SDH - Line‐Voltage Thermostat - T46 Line‐Voltage Thermostat

T46 Series Fan Coil Thermostat Catalog Page

PENN Controls
Product name
T46 Line‐Voltage Thermostat
Document type
Catalog Page
Document number
Revision date
Table 1. T46 Series Fan Coil Thermostat technical specifications
Specification Description
Range Thermostat 40 to 90°F (5 to 30°C)
Thermometer 50 to 90°F (10 to 30°C)
Differential Mechanical Approximately 0.7°F (0.4°C)
Operating See Figure 1 and Figure 2.
Finish Cover Almond
Faceplate Gold metallic with dark brown border and lettering
Mounting Double gang box, separable mounting plate
Material Base 0.050 in. (1 mm) cold rolled steel
Cover 0.090 in. (2 mm) high-impact plastic
Sensing element Liquid-filled for positive trouble-free operation
Shipping weight Individual pack 1 lb (0.45 kg)
Overpack of 20 units 20 lb (9.07 kg)
Thermometer Bimetal type for accuracy and clarity, can be field-calibrated
Wiring connections Color coded No. 16 AWG wires, 8 in. (203 mm) long
Table 2. T46 electrical ratings
Description cULus
Volts AC 60 Hz 120 208 240 277
Full load amps 12.0 6.9 6.0 5.2
Lock rotor amps 72.0 41.4 36.0 31.2
Resistive amps 6.5 6.5 6.5 -
Pilot duty 125 VA, 24 VAC to 277 VAC
Table 3. T46 conformity declaration
Information Description
Purpose of control T46 fan coil thermostats
Construction of control Electromechanical independently mounted control
Number of cycles 100K cycles (auto reset switch)
6K cycles (manual operated slide switch)
Method of earthing of control Wiring binding screw terminal
Type 1 or type 2 action Type 1.C (micro-interruption)
External pollution situation Pollution degree 3
Internal pollution situation Pollution degree 2
Rated impulse voltage 4000 VAC
Ball pressure temperature Auto reset switch component: 302°F (150°C)
Control adjustment instruction -
Field wiring rating Use copper conductors only
Switch Thermostat SPST; T46A, -J SPDT; T46S (auto reset switch)
Enclosure UL: TYPE 1 (NEMA)
Wiring connection Color-coded 16 AWG wires, 8 in. long
Ambient conditions 32°F to 105°F (0°C to 40°C)
Compliance North America cULus listed; UL60730, E60730, file E6688

Operating differentials

Figure 1. Operating differential for T46A and heating side of T46S

Figure 2. Operating differential for T46J and cooling side of T46S

Note: The heavy line in Figure 1 and Figure 2 is the nominal operating temperature differential. Production thermostats can vary from the normal temperature, as indicated by the dotted line.

Typical wiring application for heating

Figure 3. T46ABH auto-off-fan selector switch with continuous fan for heating only

Typical wiring application for cooling

Figure 4. T46JBH auto-off-fan selector switch with continuous fan for cooling only

Typical wiring application for combination

Figure 5. T46SDH off-auto selector switch used on fan-coil unit with cycling valve and continuous fan; terminal markings shown for A19CAC changeover control for heating and cooling