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The solid-state TCR9C Series Relays are designed for dedicated temperature control of resistive loads. These relays feature a single setpoint controller with high-current, solid-state output. The TCR9C relay is a low-cost, modular approach to accurate temperature control and supports loads up to 20 A. The efficient mounting surface allows for utilization of equipment as the heat sink.
Operation Setpoint Control: TCR9C is a single setpoint temperature controller. When the thermistor resistance is high (above the setpoint), the solid-state output is ON. When the thermistor resistance decreases (temperature increases) to the setpoint or below, the output turns OFF. It should be noted that temperature differential (under and overshoot) is largely due to the system as a whole. The mass of the system, size of the heaters, and sensor all play an important part. Single setpoint control is best when there is little or no lag time between the heater and sensor, and when the heater is not oversized.
- NTC thermistor sensing
- Solid-state output
- External setpoint adjustment
- Metalized mounting surface
- Encapsulated
- Low-cost setpoint control
- Control resistive heaters
- Accuracy
- Facilitates heat transfer
- Protects against shock, vibration, and humidity
TCR9C Parts
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| 120 - 240 Vac | Non-isolated single pole zero voltage switching | 0.25 in. (6.3 mm) male quick connect terminals | 0 Kg (kilogram) | Single setpoint; negative temperature coefficient resistance sensing | ≥2000 terminals to mounting surface | 95% non-condensing | 50 / 60 | ±15% | ≅5 @230 Vac | 100 | Steady state: 20 A; Inrush: 200 A | Solid state | ≅2.0 at rated current | ≤150 ms | Thermistor; negative temperature coefficient (customer supplied); Electrically insulated for 1500 Vrms min |
TCR9C Applications
- Temperature control of resistive loads
