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Siemens 3RF5125-1BA45
Semiconductor relay 3RF5, 1-pole, width 22.5 mm, 24 A, 24-1100 V DC, 4-30 V DC, screw terminal
- MPN
- 3RF5125-1BA45
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What is the Siemens 3RF5125-1BA45?
semiconductor relay 3RF5, 1-pole, width 22.5 mm, 24 A, 24-1100 V DC, 4-30 V DC, screw terminal
Specifications
General
| product brand name | SIRIUS |
| product designation | solid-state relay |
| design of the product | 1-pole |
| product type designation | 3RF51 |
| manufacturer's article number — _1 of the accessories that can be ordered | 3RF3900-0WA88 |
| manufacturer's article number — _2 of the accessories that can be ordered | 3RF3900-2TB88 |
| product designation — _1 of the accessories that can be ordered | heat conducting foil for semiconductor relays |
| product designation — _2 of the accessories that can be ordered | control connector |
General technical data
| product function | instantaneous switching |
| power loss [W] for rated value of the current — at DC in hot operating state per pole | 19 W |
| power loss [W] for rated value of the current — without load current share typical | 0.55 W |
| type of calculation of power loss current-dependent | linear |
| insulation voltage rated value | 1 500 V |
| degree of pollution | 3 |
| impulse withstand voltage (Uimp) | 10 kV |
| protection class IP on the front according to IEC 60529 | IP20 |
| shock resistance according to IEC 60068-2-27 | 15 g / 11 ms |
| vibration resistance according to IEC 60068-2-6 | 2 g |
| reference code according to IEC 81346-2:2019 | Q |
| Substance Prohibitance (day/month/year) | 03/27/2024 |
| SVHC substance name | Lead CAS-No. 7439-92-1 |
| Net Weight | 0.068 kg |
Main circuit
| number of poles for main current circuit | 1 |
| number of NO contacts for main contacts | 1 |
| number of NC contacts for main contacts | 0 |
| type of voltage of the operating voltage | DC |
| operating voltage — at DC rated value | 24 ... 1 100 V |
| voltage peak maximum | 1 270 V |
| duration of the voltage peak | 20 ms |
| operational current rated value maximum | 23 A |
| operational current — at 25 °C rated value | 24 A |
| operational current — at 40 °C rated value | 23 A |
| operational current — at 70 °C rated value | 18 A |
| operational current — according to UL 508 rated value | 17.5 A |
| operational current minimum | 1 mA |
| operational current at DC — rated value | 23 A |
| operational current at DC — at 600 V rated value | 23 A |
| operational current at DC — at 1100 V rated value | 18.5 A |
| derating temperature | 40 °C |
| inductivity in the entire shunt circuit maximum | 100 µH |
Control circuit/ Control
| type of voltage of the control supply voltage | DC |
| control supply voltage at DC rated value | 24 V |
| control supply voltage at DC full-scale value for signal<0> recognition | 4 V |
| operating range factor control supply voltage rated value at DC — initial value | 0.27 |
| operating range factor control supply voltage rated value at DC — full-scale value | 1.25 |
| control current at minimum control supply voltage at DC | 8 mA |
| control current at DC rated value | 9 mA |
| ON-delay time | 12 ms |
| OFF-delay time | 10 ms |
Installation/ mounting/ dimensions
| fastening method side-by-side mounting | Yes |
| fastening method | screw fixing |
| design of the thread of the screw for securing the equipment | M4 |
| tightening torque of fixing screw maximum | 1.5 N·m |
| tightening torque [lbf·in] of fixing screw maximum | 13 lbf·in |
| height | 104 mm |
| width | 22.5 mm |
| depth | 51 mm |
Connections/ Terminals
| product component removable terminal for auxiliary and control circuit | Yes |
| type of electrical connection — for main current circuit | screw-type terminals |
| type of electrical connection — for auxiliary and control circuit | screw-type terminals |
| type of connectable conductor cross-sections — for main contacts — solid | 2x (1.5 ... 2.5 mm²), 2x (2.5 ... 6 mm²) |
| type of connectable conductor cross-sections — for main contacts — finely stranded with core end processing | 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm² |
| type of connectable conductor cross-sections — for AWG cables for main contacts | 2x (14 ... 10) |
| connectable conductor cross-section for main contacts — solid or stranded | 1.5 ... 6 mm² |
| connectable conductor cross-section for main contacts — finely stranded with core end processing | 1 ... 10 mm² |
| type of connectable conductor cross-sections — for auxiliary and control contacts — solid | 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1 mm²) |
| type of connectable conductor cross-sections — for auxiliary and control contacts — finely stranded with core end processing | 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1 mm²) |
| type of connectable conductor cross-sections — for auxiliary and control contacts — finely stranded without core end processing | 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1 mm²) |
| type of connectable conductor cross-sections — for AWG cables for auxiliary and control contacts | 1x (20 ... 12) |
| AWG number as coded connectable conductor cross section for main contacts | 14 ... 10 |
| tightening torque — for main contacts with screw-type terminals | 2 ... 2.5 N·m |
| tightening torque — for auxiliary and control contacts with screw-type terminals | 0.5 ... 0.6 N·m |
| tightening torque [lbf·in] — for main contacts with screw-type terminals | 7 ... 10.3 lbf·in |
| tightening torque [lbf·in] — for auxiliary and control contacts with screw-type terminals | 4.5 ... 5.3 lbf·in |
| stripped length of the cable — for main contacts | 7 mm |
| stripped length of the cable — for auxiliary and control contacts | 7 mm |
UL/CSA ratings
| operational current according to UL 508 rated value | 17.5 A |
| touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front |
Ambient conditions
| installation altitude at height above sea level maximum | 1 000 m |
| ambient temperature — during operation | -25 ... +60 °C |
| ambient temperature — during storage | -55 ... +80 °C |
Electromagnetic compatibility
| conducted interference — due to burst according to IEC 61000-4-4 | 2 kV / 5 kHz, behavior criterion 2 |
| conducted interference — due to conductor-earth surge according to IEC 61000-4-5 | 2 kV, behavior criterion 2 |
| conducted interference — due to conductor-conductor surge according to IEC 61000-4-5 | 1 kV, behavior criterion 2 |
| conducted interference — due to high-frequency radiation according to IEC 61000-4-6 | 140 dBuV in the frequency range 0.15 ... 80 MHz, behavior criterion 1 |
| field-based interference according to IEC 61000-4-3 | 80 MHz ... 1 GHz 10 V/m, behavior criterion 1 |
| electrostatic discharge according to IEC 61000-4-2 | 4 kV contact discharging / 8 kV air discharging, behavior criterion 2 |
| conducted HF interference emissions according to CISPR11 | Class A for industrial environment |
| field-bound HF interference emission according to CISPR11 | Class B for the domestic, business and commercial environments |
Downloads & documentation
Official documents from Siemens, downloaded directly from the manufacturer.
Data sheets & manuals
3RF5125-1BA45: frequently asked questions
When can 3RF5125-1BA45 be shipped?
3RF5125-1BA45 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 3RF5125-1BA45 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 3RF5125-1BA45 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3RF5125-1BA45, subject to availability and destination.
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