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Siemens 3RQ4050-1SM50
Output optocoupler, 24 V DC, 1 NO contact, screw terminal, width 6.2 mm, thermal current 3 A
- MPN
- 3RQ4050-1SM50
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What is the Siemens 3RQ4050-1SM50?
output optocoupler, 24 V DC, 1 NO contact, screw terminal, width 6.2 mm, thermal current 3 A
Specifications
General
| product brand name | SIRIUS |
| product category | SIRIUS 3RQ4 coupling relay, narrow design |
| product designation | Coupling relay with integrated semiconductor output |
| design of the product | output coupling link |
| product type designation | 3RQ4 |
General technical data
| display version LED | Yes |
| product feature protective coating on printed-circuit board | No |
| product component — relay output | No |
| product component — semi-conductor output | Yes |
| power loss [W] maximum | 0.2 W |
| consumed active power | 0.3 W |
| insulation voltage for overvoltage category III according to IEC 60664 with degree of pollution 3 rated value | 100 V |
| surge voltage resistance rated value | 3 kV |
| maximum permissible voltage for protective separation — between control and auxiliary circuit | 100 V |
| maximum permissible voltage for protective separation — between control and auxiliary circuit according to IEC 60947-1 | 50 V |
| protection class IP | IP20 |
| flammability class of enclosure material | UL94 V-0 |
| shock resistance — according to IEC 60068-2-27 | sinusoidal half-wave 15 g / 11 ms |
| vibration resistance — according to IEC 60068-2-6 | 6 ... 150 Hz: 2 g |
| switching behavior | monostable |
| switching frequency | 50 Hz |
| thermal current | 3 A |
| short-time withstand current (Icw) limited to 10 ms | 8 A |
| reference code according to IEC 81346-2 | K |
| Substance Prohibitance (day/month/year) | 09/26/2024 |
| SVHC substance name | Lead CAS-No. 7439-92-1 |
| Net Weight | 0.034 kg |
Control circuit/ Control
| control supply voltage at DC rated value | 11 ... 30 V |
| operating range factor control supply voltage rated value at DC — initial value | 0.7 |
| operating range factor control supply voltage rated value at DC — full-scale value | 1 |
| design of the surge suppressor at input | Varistor |
| design of the surge suppressor at output | Varistor |
| inrush current maximum | 1 A |
| minimum switching voltage when switching on | 11 V |
| maximum switching voltage when switching off | 5 V |
| ON-delay time — at DC maximum | 2 ms |
| OFF-delay time maximum | 2 ms |
| leakage current of the electronics for control with signal <0> | 0.01 mA |
Switching Function
| design of the switching function positively driven | No |
Digital Outputs
| property of the output short-circuit proof | No |
Mechanical data
| product component plug-in socket | No |
| design of the relay operating mechanism | Non-polarized |
Short-circuit protection
| design of the fuse link for short-circuit protection of the auxiliary switch required | fuse gG: 4 A |
Auxiliary circuit
| type of switching contact | double contact |
| material of contact coating | other |
| material of switching contacts | AgSnO2 |
| material of the contact insert | Thermoplastic |
| number of NC contacts for auxiliary contacts | 0 |
| number of NO contacts for auxiliary contacts | 1 |
| number of CO contacts for auxiliary contacts | 0 |
Main circuit
| type of voltage | DC |
Inputs/ Outputs
| switching current of semiconductor outputs | 3 A |
| type of voltage of the output voltage | DC |
| voltage drop when switched-through maximum | 90 mV |
| switching voltage of the semiconductor output at DC | 10 ... 60 V |
| ampacity of the semiconductor output at DC | 1 mA ... 3 A |
Electromagnetic compatibility
| electromagnetic compatibility | acc. to EN 60947-5-1 |
| EMC emitted interference according to IEC 60947-1 | ambience A (industrial sector) |
| EMC immunity according to IEC 60947-1 | corresponds to degree of severity 3 |
| conducted interference — due to burst according to IEC 61000-4-4 | 2 kV |
| conducted interference — due to conductor-earth surge according to IEC 61000-4-5 | 2 kV |
| conducted interference — due to conductor-conductor surge according to IEC 61000-4-5 | 1 kV |
| field-based interference according to IEC 61000-4-3 | 10 V/m |
| electrostatic discharge according to IEC 61000-4-2 | 6 kV contact discharge / 8 kV air discharge |
Display
| display version as status display by LED | LED green |
Connections/ Terminals
| product function removable terminal | No |
| type of electrical connection | spring-loaded terminals |
| type of electrical connection — for auxiliary and control circuit | screw-type terminals |
| type of connection technology | 2-wire technology |
| type of connectable conductor cross-sections — solid | 1x (0.25 ... 2.5 mm²) |
| type of connectable conductor cross-sections — finely stranded with core end processing | 1x (0.25 ... 2.5 mm²), 2x (0.25 ... 1.5 mm²) |
| type of connectable conductor cross-sections — for AWG cables solid | 1x (20 ... 14), 2x (20 ... 16) |
| connectable conductor cross-section — solid | 0.25 ... 2.5 mm² |
| connectable conductor cross-section — finely stranded with core end processing | 0.25 ... 2.5 mm² |
| AWG number as coded connectable conductor cross section — solid | 20 ... 14 |
| tightening torque with screw-type terminals | 0.5 ... 0.6 N·m |
| size of the screwdriver tip | 3,0 x 0,5 mm |
| stripped length | 10 mm |
Installation/ mounting/ dimensions
| mounting position | any |
| fastening method | snap-on mounting |
| height | 93 mm |
| width | 6.2 mm |
| depth | 84.5 mm |
| required spacing — with side-by-side mounting — forwards | 0 mm |
| required spacing — with side-by-side mounting — backwards | 0 mm |
| required spacing — with side-by-side mounting — upwards | 0 mm |
| required spacing — with side-by-side mounting — downwards | 0 mm |
| required spacing — with side-by-side mounting — at the side | 0 mm |
| required spacing — for grounded parts — forwards | 0 mm |
| required spacing — for grounded parts — backwards | 0 mm |
| required spacing — for grounded parts — upwards | 0 mm |
| required spacing — for grounded parts — at the side | 0 mm |
| required spacing — for grounded parts — downwards | 0 mm |
| required spacing — for live parts — forwards | 0 mm |
| required spacing — for live parts — backwards | 0 mm |
| required spacing — for live parts — upwards | 0 mm |
| required spacing — for live parts — downwards | 0 mm |
| required spacing — for live parts — at the side | 0 mm |
Ambient conditions
| installation altitude at height above sea level maximum | 2 000 m |
| ambient temperature — during operation | -25 ... +60 °C |
| ambient temperature — during storage | -40 ... +85 °C |
| ambient temperature — during transport | -40 ... +85 °C |
| relative humidity during operation | 10 ... 95 % |
Downloads & documentation
Official documents from Siemens, downloaded directly from the manufacturer.
Data sheets & manuals
3RQ4050-1SM50: frequently asked questions
When can 3RQ4050-1SM50 be shipped?
3RQ4050-1SM50 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 3RQ4050-1SM50 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 3RQ4050-1SM50 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 3RQ4050-1SM50, subject to availability and destination.
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Siemens 3RQ4050-1SM50Price and lead time confirmed within 1 business day
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