Schneider Electric TC-4100 Series, TC-4200 Series Two-Position, Single & Dual Bulb Thermostats
Two-Position, Single & Dual Bulb Thermostats
TC-4100 Series, TC-4200 Series
For on-off control of media temperature in ducts, tanks, liquid lines, etc.
• Heating or cooling applications.
• Adjustable differential on all except TC-4166.
• 1/2 in. conduit connections.
• Agency approval.
• Duct/immersion/outside mounting kits available.
• Concealed adjustment plate.
Select a link under the "item" tab below to order.
| Cat # | Capillary Copper ft. (m) | Dualª Bulb Ratio | Type |
| TC-4111 | 8 (2.4) | - | Single stage, single bulb |
| TC-4111-020 | 8 (2.4) | - | Single stage, single bulb |
| TC-4112 | 8 (2.4) | - | Single stage, single bulb |
| TC-4115b | 8 (2.4) | - | Single stage, single bulb |
| TC-4121 | 10 (3) Armored | - | Single stage, single bulb |
| TC-4122 | 10 (3) Armored | - | Single stage, single bulb |
| TC-4123 | 10 (3) Armored | - | Single stage, single bulb |
| TC-4151 | 30 (9) Each bulb | 1:1-1/2c | Single stage, dual bulb |
| TC-4152 | 30 (9) Each bulb | 1:1 | Single stage, dual bulb |
| TC-4166 | None | - | Single stage, return air bulb |
| TC-4211 | 8 (2.4) | - | Two stage, single bulb |
| TC-4221 | 10 (3) Armored | - | Two stage, single bulb |
| TC-4222 | 10 (3) Armored | - | Two stage, single bulb |
| TC-4223 | 10 (3) Armored | - | Two stage, single bulb |
| TC-4251 | 30 (9) Each bul | 1:1-1/2 c | Two stage, dual bulb |
| TC-4252 | 30 (9) Each bul | 1:1-1/2 c | Two stage, dual bulb |
| TC-4266 | None | - | Two stage, return air bulb |
| Setpoint adjustment range: | Dial plate is marked as °F on one side and °C on the other. Refer to Differential, Setpoint Adjustment, and Safe Bulb Temperature Ranges Model Chart for specific ranges |
| Sensing element: | Liquid filled copper |
| Differential: | Refer to Differential, Setpoint Adjustment, and Safe Bulb Temperature Ranges Model Chart |
| Dual bulb units: | One bulb senses the controlled media; the second bulb senses the outside air temperature. The temperature of the controlled media increases as outside air temperature decreases |
| Ambient temperature limits: | |
| Case: | Shipping: -40 to 160°F (-40 to 71°C) Operating: -40 to 150°F (-40 to 65°C) except return air bulb unit, -40 to 140°F (-40 to 60°C) |
| Bulb: | Refer to Differential, Setpoint Adjustment, and Safe Bulb Temperature Ranges Model Chart |
| Electrical Switch: | Snap action SPDT, one per stage |
| Ratings: | Refer to Electrical Ratings Table |
| Connections: | Coded screw terminals |
| Cover: | All metal with 1/2 to 3/4 in. conduit openings |
| Case Locations: | NEMA Type 1 |
| Mounting: | Case can be mounted in any position. Refer to Accessories for bulb mounting kits, order separately |
| Dimensions: | |
| Case: | 4-5/8 H x 2-1/4 W x 2 D in. (117 x 57 x 51 mm) |
| Element and Capillary: | Refer to Description Model Chart |
| Agency Listing: | UL, CUL |
| General Instructions: | Refer to F-18895 |
