Datasheet

G2TF02
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Temperature monitoring of the motor winding
Monitoring relays - GAMMA series
Supply voltage selectable via power modules
2 change-over contacts
External reset key connectable
Width 22.5mm
Industrial design
Technical data
1. Functions
Temperature monitoring of the motor winding (max. 6 PTC) with fault
latch, for temperature probes in accordance with DIN 44081
Test function with integrated test/reset key
2. Time ranges
Adjustment range
Start-up suppression time: -
Tripping delay: -
3. Indicators
Green LED ON: indication of supply voltage
Red LED ON/OFF: indication of failure
4. Mechanical design
Self-extinguishing plastic housing, IP rating IP40
Mounted on DIN-Rail TS 35 according to EN 60715
Mounting position: any
Shockproof terminal connection according to VBG 4 (PZ1 required),
IP rating IP20
Tightening torque: max. 1Nm
Terminal capacity:
1 x 0.5 to 2.5mm² with/without multicore cable end
1 x 4mm² without multicore cable end
2 x 0.5 to 1.5mm² with/without multicore cable end
2 x 2.5mm² flexible without multicore cable end
5. Input circuit
Supply voltage:
12 to 400V AC terminals A1-A2 (galvanically separated)
selectable via power modules TR2
Tolerance: according to specification of power module
Rated frequency: according to specification of power module
Supply voltage: 24V DC terminals A1-A2
(galvanically separated)
selectable via switching power supply SNT2
Tolerance: according to specification
of switching power supply
Rated frequency: according to specification
of switching power supply
Rated consumption: 2VA (1.5W)
Duration of operation: 100%
Reset time: 500ms
Residual ripple for DC: -
Drop-out voltage: >30% of the supply voltage
Overvoltage category: III (in accordance with IEC 60664-1)
Rated surge voltage: 4kV
6. Output circuit
2 potential free change-over contacts
Rated voltage: 250V AC
Switching capacity: 750VA (3A / 250V AC)
If the distance between the devices is less than 5mm!
Switching capacity: 1250VA (5A / 250V AC)
If the distance between the devices is greater than 5mm!
Fusing: 5A fast acting
Mechanical life: 20 x 10
6
operations
Electrical life: 2 x 10
5
operations at 1000VA resistive load
Switching frequency: max. 60/min at 100VA resistive load
max. 6/min at 1000VA resistive load
(in accordance with IEC 60947-5-1)
Overvoltage category: III (in accordance with IEC 60664-1)
Rated surge voltage: 4kV
7. Measuring circuit
Input: terminals T1-T2
Initial resistance: <1.5kΩ
Response value (relay in off-position): ≥3.6kΩ
Release value (relay in on-position): ≤1.8kΩ
Disconnection (short circuit thermistor): no
Measuring voltage T1-T2: ≤2.5V DC at R ≤4.0kΩ
(in accordance with DIN VDE 0660 part 302)
Overvoltage category: III (in accordance with IEC 60664-1)
Rated surge voltage: 4kV
8. Control contact R
Function: external reset key
Loadable: no
Line length R-T2: max. 10m (twisted pair)
Control pulse length: -
Reset: potential free normally open contact,
terminals R-T2
9. Accuracy
Base accuracy: ±10% (of maximum scale value)
Frequency response: -
Adjustment accuracy: -
Repetition accuracy: ≤1%
Voltage influence: ≤2.2%
Temperature influence: ≤0.1% / °C
10. Ambient conditions
Ambient temperature: -25 to +55°C (in accordance with IEC 60068-1)
-25 to +40°C (in accordance with UL 508)
Storage temperature: -25 to +70°C
Transport temperature: -25 to +70°C
Relative humidity: 15% to 85%
(in accordance with IEC 60721-3-3 class 3K3)
Pollution degree: 3 (in accordance with IEC 60664-1)
Vibration resistance: 10 to 55Hz 0.35mm
(in accordance with IEC 60068-2-6)
Shock resistance: 15g 11ms
(in accordance with IEC 60068-2-27)