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Suitable for a range of industrial limit control applications, this temperature limit controller is an economical solution that features a 120 V AC power supply with a T/C Type J °F (-346 to 1900°F) sensor type and scale. In addition, this controller offers thermal system protection and includes CE approval.
Suitable for a range of industrial limit control applications, this temperature limit controller is an economical solution that features a 120 V AC power supply with a T/C Type J °F (-346 to 1900°F) sensor type and scale. In addition, this controller offers thermal system protection and includes CE approval.
Work with added safety with this limit controller that helps prevent situations where thermal runway conditions occur due to a failed sensor, controller, or output device. In addition, this controller features fixed set points without an operator interface.
Features
Applications
| Limit Controller | Microprocessor based, limit controller Nominal switching hysteresis, typically 3°F (1.7°C) High or low limit, factory selectable Latching output requires manual reset upon over or under temperature condition Manual or automatic reset on power loss, factory selectable Internal front panel or external customer supplied momentary reset switch Input filter time: 1 second |
| Operator Interface | Four digit, seven segment LED displays, 0.28" (7 mm) high °F or °C indicator LED Load/alarm indicator LED Continuous turn, velocity sensitive rotary encoder for set point adjustment Front panel SET/RESET key on variable set point models (limit controller only) No operator interface on fixed set point models |
| Standard Conditions | Rated line voltage, 50 to 60 Hz, 0 to 90% RH non-condensing, 15-minute warm-up Calibration ambient range: 77°F (25&Deg;C) ±3°C |
| Sensor Input Thermocouple | Grounded or ungrounded Type J >10 MΩ input impedance 250 nV input referenced error per 1 Ω source resistance |
| RTD | 2-wire platinum, 100 Ω DIN curve (NULL385 curve) 125 µA nominal RTD excitation current Input: Calibration accuracy ±1% of input accuracy span ±1° at standard conditions and actual calibration ambient Temperature stability: ±0.2° per degree change in ambient |
| Input Accuracy Span Range | Type J: 32 to 1382°F (0 to 750°C) |
| Thermocouple Input | Calibration accuracy: ±1% of input accuracy span, ±1° at standard conditions and actual calibration ambient Temperature stability: ±0.3° per degree change in ambient |
| Allowable Operating Ranges | Type J: -346 to 1900°F (-210 to 1038°C) |
| Electromechanical Relay, Form C | Minimum load current: 100 mA 8 A at 240 V AC or 30 V DC maximum, resistive 250 VA pilot duty, 120/240 V AC maximum, inductive Use RC suppression for inductive loads Electrical life 100,000 cycles at rated current |
| External Reset Switch (Limit Controller Only) | Momentary, dry contact closure |
| Agency Approvals | CE, W.E.E.E., RoHS EU Directive (2002-95-EC) UL® 873 recognized temperature regulator, file # E43684 UL® 197 reviewed for use in foodservice appliances ANSI Z21.23 gas appliance thermostat approval CSA C22.2#24 approved temperature control, file # 30586 FM Class 3545 temperature limit switches, file # 3017239 |
| Terminals | 0.25" (6.3 mm) quick connect, push on terminal or removable screw style terminal block |
| Power | 120 V AC |
| Operating Environment | 32 to 158°F (0 to 70°C) 0 to 90% RH, non-condensing Storage temperature: -40 to 185°F (-40 to 85°C) |
| Dimensions | 3.08 x 4.42 x 3.57" (78.1 x 112.3 x 90.7 mm) |
| Limit Controller | Microprocessor based, limit controller Nominal switching hysteresis, typically 3°F (1.7°C) High or low limit, factory selectable Latching output requires manual reset upon over or under temperature condition Manual or automatic reset on power loss, factory selectable Internal front panel or external customer supplied momentary reset switch Input filter time: 1 second |
| Operator Interface | Four digit, seven segment LED displays, 0.28" (7 mm) high °F or °C indicator LED Load/alarm indicator LED Continuous turn, velocity sensitive rotary encoder for set point adjustment Front panel SET/RESET key on variable set point models (limit controller only) No operator interface on fixed set point models |
| Standard Conditions | Rated line voltage, 50 to 60 Hz, 0 to 90% RH non-condensing, 15-minute warm-up Calibration ambient range: 77°F (25&Deg;C) ±3°C |
| Sensor Input Thermocouple | Grounded or ungrounded Type J >10 MΩ input impedance 250 nV input referenced error per 1 Ω source resistance |
| RTD | 2-wire platinum, 100 Ω DIN curve (NULL385 curve) 125 µA nominal RTD excitation current Input: Calibration accuracy ±1% of input accuracy span ±1° at standard conditions and actual calibration ambient Temperature stability: ±0.2° per degree change in ambient |
| Input Accuracy Span Range | Type J: 32 to 1382°F (0 to 750°C) |
| Thermocouple Input | Calibration accuracy: ±1% of input accuracy span, ±1° at standard conditions and actual calibration ambient Temperature stability: ±0.3° per degree change in ambient |
| Allowable Operating Ranges | Type J: -346 to 1900°F (-210 to 1038°C) |
| Electromechanical Relay, Form C | Minimum load current: 100 mA 8 A at 240 V AC or 30 V DC maximum, resistive 250 VA pilot duty, 120/240 V AC maximum, inductive Use RC suppression for inductive loads Electrical life 100,000 cycles at rated current |
| External Reset Switch (Limit Controller Only) | Momentary, dry contact closure |
| Agency Approvals | CE, W.E.E.E., RoHS EU Directive (2002-95-EC) UL® 873 recognized temperature regulator, file # E43684 UL® 197 reviewed for use in foodservice appliances ANSI Z21.23 gas appliance thermostat approval CSA C22.2#24 approved temperature control, file # 30586 FM Class 3545 temperature limit switches, file # 3017239 |
| Terminals | 0.25" (6.3 mm) quick connect, push on terminal or removable screw style terminal block |
| Power | 120 V AC |
| Operating Environment | 32 to 158°F (0 to 70°C) 0 to 90% RH, non-condensing Storage temperature: -40 to 185°F (-40 to 85°C) |
| Dimensions | 3.08 x 4.42 x 3.57" (78.1 x 112.3 x 90.7 mm) |
