| Article number | 3RQ3038-1AE01 | 3RQ4038-1AE01 | |
| !!! phased-out product !!! the preferred successor is 3RQ4038-1AE01 input coupler relay coupler, 1 change-over contact hard gold-plated contacts 115 V AC/DC screw terminal width 6.2 mm thermal current 6 A | input coupler with integrated relay, 115 V AC/DC, 1 change-over contact, screw terminal, width 6.2 mm, thermal current 6 A, hard gold-plated | ||
| product brand name | SIRIUS | ||
| product category | SIRIUS 3RQ3 coupling relays in slim design | SIRIUS 3RQ4 coupling relay, narrow design | |
| product designation | Coupling relays with relay output (not plug-in) | Coupling relay with integrated relay output | |
| design of the product | Input coupling link | input coupling link | |
| product type designation | 3RQ3 | 3RQ4 | |
| General technical data | |||
| display version LED | Yes | ||
| product feature protective coating on printed-circuit board | No | No | |
| product component | |||
| ● relay output | Yes | ||
| ● semi-conductor output | No | ||
| consumed active power | 0.5 W | ||
| insulation voltage for overvoltage category III according to IEC 60664 with degree of pollution 3 rated value | 300 V | ||
| type of voltage of the operating voltage | AC/DC | ||
| ● for actuation | AC/DC | ||
| surge voltage resistance rated value | 4 kV | ||
| maximum permissible voltage for protective separation | |||
| ● between control and auxiliary circuit | 300 V | ||
| percental drop-out voltage related to the input voltage | 9.6 % | ||
| flammability class of enclosure material | UL94 V-0 | ||
| shock resistance | |||
| ● according to IEC 60068-2-27 | sinusoidal half-wave 15g / 11 ms | ||
| vibration resistance | |||
| ● according to IEC 60068-2-6 | 6 ... 150 Hz: 2 g | ||
| operating frequency maximum | 72 000 1/h | ||
| switching behavior | monostable | ||
| mechanical service life (operating cycles) typical | 10 000 000 | ||
| thermal current | 6 A | ||
| reference code according to IEC 81346-2 | K | ||
| Substance Prohibitance (Date) | 03/25/2015 | 09/26/2024 | |
| SVHC substance name |
Lead - 7439-92-1
|
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| Net Weight | 0.034 kg | 0.039 kg | |
| Control circuit/ Control | |||
| control supply voltage at AC | |||
| ● at 50 Hz rated value | 115 V | ||
| ● at 50 Hz rated value | 110 ... 230 V | ||
| ● at 60 Hz rated value | 115 V | ||
| ● at 60 Hz rated value | 110 ... 230 V | ||
| control supply voltage frequency | |||
| ● 1 rated value | 50 Hz | ||
| ● 2 rated value | 60 Hz | ||
| control supply voltage at DC rated value | 115 V | ||
| control supply voltage at DC rated value | 110 ... 230 V | ||
| operating range factor control supply voltage rated value at DC | |||
| ● initial value | 0.8 | ||
| ● full-scale value | 1.1 | ||
| operating range factor control supply voltage rated value at AC at 50 Hz | |||
| ● initial value | 0.8 | ||
| ● full-scale value | 1.1 | ||
| operating range factor control supply voltage rated value at AC at 60 Hz | |||
| ● initial value | 0.8 | ||
| ● full-scale value | 1.1 | ||
| ON-delay time | |||
| ● at AC maximum | 8 ms | 10 ms | |
| ● at DC maximum | 6 ms | ||
| OFF-delay time maximum | 17 ms | 10 ms | |
| Mechanical data | |||
| product component plug-in socket | No | ||
| design of the relay operating mechanism | poled | ||
| 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 | Changeover contact | ||
| material of switching contacts | AgSnO2 hard gold-plated | Silver tin oxide (AgSnO2) | |
| number of NC contacts for auxiliary contacts | 0 | ||
| number of NO contacts for auxiliary contacts | 0 | ||
| number of CO contacts for auxiliary contacts | 1 | ||
| operational current of auxiliary contacts at AC-15 | |||
| ● at 24 V | 3 A | ||
| ● at 250 V | 3 A | ||
| operational current of auxiliary contacts at DC-13 | |||
| ● at 24 V | 1 A | ||
| ● at 125 V | 0.2 A | ||
| ● at 250 V | 0.1 A | ||
| contact reliability of auxiliary contacts | one incorrect switching operation of 100 million switching operations (5 V, 1 mA) | ||
| Main circuit | |||
| type of voltage | AC/DC | ||
| Inputs/ Outputs | |||
| property of the output short-circuit proof | No | ||
| ampacity of the output relay at AC-15 at 250 V at 50/60 Hz | 3 A | ||
| ampacity of the output relay at DC-13 | |||
| ● at 24 V | 1 A | ||
| ● at 125 V | 0.2 A | ||
| ● at 250 V | 0.1 A | ||
| Electromagnetic compatibility | |||
| 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 | ||
| ● due to conductor-earth surge according to IEC 61000-4-5 | 2 kV | ||
| ● 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 | ||
| Safety related data | |||
| B10d value | 600 000 | ||
| Connections/ Terminals | |||
| product function removable terminal | No | ||
| type of electrical connection | screw terminal | ||
| ● for auxiliary and control circuit | screw-type terminals | ||
| wire length | |||
| ● at AC maximum | 500 m | ||
| ● at DC maximum | 1 000 m | ||
| type of connectable conductor cross-sections | |||
| ● solid | 1x (0.25 ... 2.5 mm²) | ||
| ● finely stranded with core end processing | 1x (0.25 ... 1.5 mm²) | 1x (0.25 ... 2.5 mm²), 2x (0.25 ... 1.5 mm²) | |
| ● for AWG cables solid | 1x (20 ... 14) | 1x (20 ... 14), 2x (20 ... 16) | |
| connectable conductor cross-section | |||
| ● solid | 0.25 ... 2.5 mm² | ||
| ● finely stranded with core end processing | 0.25 ... 1.5 mm² | 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 | ||
| Installation/ mounting/ dimensions | |||
| mounting position | any | ||
| fastening method | snap-on mounting | ||
| height | 93 mm | ||
| width | 6.2 mm | ||
| depth | 72.5 mm | 84.5 mm | |
| required spacing | |||
| ● with side-by-side mounting | |||
| — forwards | 0 mm | ||
| — backwards | 0 mm | ||
| — upwards | 0 mm | ||
| — downwards | 0 mm | ||
| — at the side | 0 mm | ||
| ● for grounded parts | |||
| — forwards | 0 mm | ||
| — backwards | 0 mm | ||
| — upwards | 0 mm | ||
| — at the side | 0 mm | ||
| — downwards | 0 mm | ||
| ● for live parts | |||
| — forwards | 0 mm | ||
| — backwards | 0 mm | ||
| — upwards | 0 mm | ||
| — downwards | 0 mm | ||
| — 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 | ||
| ● during storage | -40 ... +85 °C | ||
| ● during transport | -40 ... +85 °C | ||
| relative humidity during operation | 10 ... 95 % | ||
| Approvals Certificates | |||
| General Product Approval | |||
| CCC |
|
Yes | Yes |
| CSA |
|
Yes | Yes |
| UK Declaration of Conformity |
|
Yes | Yes |
| EU declaration of conformity |
|
Yes | Yes |
| UL |
|
Yes | Yes |
| EAC |
|
Yes | Yes |
| EMV | |||
| RCM |
|
Yes | Yes |
| KC | Yes | Yes | |
| Test Certificates | |||
| Type Test Certificates/Test Report | Yes | Yes | |
| Maritime application | |||
| DNV (Det Norske Veritas) |
|
Yes | Yes |
| other | |||
| Chinese Quality Checkmark |
|
Yes | Yes |
| Confirmation | Yes | Yes | |
| Environment | |||
| Environmental Confirmations | Yes | Yes | |
| Further information | |||
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| last modified: | 10/27/2025 | ||
| Date 12/1/2025 |
Subject to change without notice © Copyright Siemens 2025 |
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