The slim KRIWAN pump protection relay INT69 EXF2 Diagnostics is suitable for temperature monitoring for a pump that is operated in an Ex zone. The protective relay is installed in a control cabinet outside the EX zone. Two relays provide the necessary operational safety. A button and an external input are available as a reset in the event of an interlocked shutdown of the two relays. The run detection function allows monitoring of operating hours and switching cycles in the internal memory. Monitoring of a service interval is also possible in this way.
| Article number | Supply voltage |
| 20 A 713 P081 | AC/DC 50/60 Hz 24V |
| 22 A 713 P081 | AC 50/60 Hz 100 - 240V |
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The INT69 EXF2 Diagnose is a universal and versatile protection relay. The following inputs and outputs are available for monitoring electrical components:
| Terminals | Inputs and outputs |
| L/L+, N/L- | Supply voltage |
| T1, T2 | Temperature 1 (PTC) |
| T3, T4 | Temperature 2 (bimetal) |
| E+, E- | Leakage (resistance measurement) |
| B1, B2 | Run detection motor |
| X1, X2 | External reset |
| 12, 14, 11 | Relay 1 (temperature*) |
| 22, 24, 21 | Relay 2 (leakage*) |
*Setting ex works
Protection functions and behavior can be flexibly adjusted to the application by parameterization. The INT69 EXF2 Diagnose stores operating and fault data in a non-volatile memory. This data can be read out and evaluated for diagnose. The protective relay is mainly used for the explosion protection of pumps and agitators.
Supply voltage 22 A 713 P081 20 A 713 P081 |
100-240 V ~ 50/60 Hz ±10 % 5 VA 24 V ~/⎓ 50/60 Hz ±10 % 5 VA |
| Permissible ambient temperature Ta | -20°C ≤ Ta ≤ +60°C |
Temperature measuring circuit, bimetal – Type – Contact suitable for – Max. line length |
for an NC contact 24 V ⎓ 20 mA 100 m |
PTC temperature measuring circuit – Type – R25, total – RTriggering, static – RReset – Short circuit monitoring – Break monitoring – Applied voltage – Temperature 1 – Temperature 2 – Max. line length |
1-9 PTC sensors according to DIN VDE V 0898-1-401 in series <1,8 kΩ 4,5 kΩ ±20 % 2,75 kΩ ±20 % <20 Ω >20 kΩ
24 V ⎓ 24 V ⎓ 100 m |
Leakage measuring circuit – Type – Measuring range – Resolution – Accuracy – Applied voltage – Max. line length |
Resistance measurement between electrode pairs 10 k...1 MΩ 1 kΩ ±(1 kΩ + 10 % of the MV) Ca. 5 V ~ 100 m |
Input of internal reset – Type – Contact suitable for – Max. line length |
For one normally open contact 5 V ⎓ 1 mA 30 m |
| Diagnose Port | Diagnose Port (DP) |
Run detection input – Operation with FC – Clock frequency range – Operating frequency range – Phase-phase detection range – Phase zero detection range – Max. line length |
Suitable 2-16 kHz 20-100 Hz 60-480 V ~ +10 % 60-277 V ~ +10 % 3 m |
Reset of lock or restart delay (only possible once any errors have been rectified) – Option 1: – Option 2:
– Option 3: |
Mains reset >5 s (not for temperature inputs) Reset button >1 s leakage Reset button >5 s temperature External reset >1 s leakage External reset >5 s temperature |
Alarm/warning relay – Contact – Rating data (UL/CSA) – Nominal load (ohmic) – Mechanical service life |
Min. 24 V ~/⎓ 20 mA Max. 240 V ~ 2,5 A C300 (NO contact) 240 V ~ 10 A Ca. 1 million cycles |
| Degree of protection as per EN 60529 | IP20 |
Connection type - General |
Tension spring connection (push-in) 0,2-2,5 mm² |
| Housing material | PA 66 GF 30 |
| Fixing | Control cabinet housing (basic grid 22.5 mm), clippable on to 35 mm standard rail as per EN 60715 |
| Dimensions | See dimensions in mm |
Weight – 22 A 713 P081 – 20 A 713 P081 |
Ca. 250 g Ca. 200 g |
| Test regulations | EN 61000-6-2 EN 61000-6-3 EN 61010-1 UL60730 EN ISO 80079-37:2016 Overvoltage category II II (2) G [Ex h db] IIA Degree of pollution 2 |
| Approval | EN ISO 80079-37:2016 |
Compare our products and find the right protection relay for pumps.
| INT69 PYF Diagnose Premium | INT69 YF Diagnose EXTENDED | INT69 YF Diagnose STANDARD | INT69 F Diagnose BASIC | INT69 EXF2 Diagnose BASIC EX | |
| Motor temperature | PTC, Pt100, Pt1000, bimetal | PTC, Pt100, Pt1000, bimetal | PTC, Pt100, Pt1000, bimetal | PTC, Pt100, Pt1000, bimetal | - |
| Temperature 1 | PTC, Pt100, Pt1000 | PTC, Pt100, Pt1000 | PTC, Pt100, Pt1000 | PTC, Pt100, Pt1000, bimetal | PTC |
| Temperature 2 | PTC, Pt100, Pt1000 | PTC, Pt100, Pt1000 | PTC, Pt100, Pt1000 | - | Bimetal |
| Leakage 1 | Conductance measurement | Conductance measurement, switching input | Conductance measurement, switching input | Conductance measurement | Conductance measurement |
| Leakage 2 | Switching input | Conductance measurement, switching input | Conductance measurement, switching input | - | - |
| Analog input | 0/4 – 20 mA | 0/4 – 20 mA | - | - | - |
| Phase monitoring | Phase failure, phase sequence, phase asymmetry, undervoltage and overvoltage | Phase failure, phase sequence, phase asymmetry, undervoltage and overvoltage | Phase failure, phase sequence, phase asymmetry, undervoltage and overvoltage | Run detection | Run detection |
Current monitoring | Current transformer | - | - | - | - |
| Power measurement | Apparent, active and reactive power, Cosφ | - | - | - | - |
| Relay 1 | Alarm | Alarm | Alarm | Temperature | Temperature |
| Relay 2 | Warning | Warning | - | Leakage | Leakage |
| Interface | Diagnostic port (DP) Modbus RTU (RS485) | Diagnostic port (DP) | Diagnostic port (DP) | Diagnostic port (DP) | Diagnostic port (DP) |
Housing width | 45mm | 45mm | 45mm | 22.5mm | 22.5mm |
| Reset function | Network reset | Network reset | Network reset | Reset button/ external reset/ network reset | Reset button/ external reset/ network reset |
Supply voltage AC 50 / 60 Hz 100 – 240V | 22 A 721 P081 | 22 A 701 P081 | 22 A 700 P081 | 22 A 712 P081 | 22 A 713 P081 |
Supply voltage AC / DC 50 / 60 Hz 24V | 20 A 721 P081 | 20 A 701 P081 | 20 A 700 P081 | 20 A 712 P081 | 20 A 713 P081 |
Brief instructions
Parameter table
Tender specification
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