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PHOENIX CONTACT 2903702
PHOENIX CONTACTNot available

REL-PR3- 24DC/3X21 - Single relay

Plug-in high-power relay with power contacts, 3 changeover contacts, coil voltage: 24 V DC
Product Code: 2903702
Partner cod.: 2903702
PHOENIX CONTACT


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Tecnichal data
Technical Specs
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Tecnichal data
NotesGeneral: The outputs are not suitable for switching different outer conductors.
Do not use to separate SELV / PELV circuits from other circuits, because safe isolation is not guaranteed.
Product propertiesProduct type: Single relay
Operating mode: 100% operating factor
Mechanical service life: approx. 107 cycles
Insulation characteristics
Insulation: Basic insulation
Insulation characteristics​
Insulation: Basic insulation
Overvoltage category: III
Pollution degree: 3
Electrical propertiesService life electrical: see diagram
Maximum power dissipation for nominal condition: 1.34 W
Test voltage (Winding/contact): 2.5 kVrms (50Hz, 1min., winding/contact)
Test voltage (Changeover contact/changeover contact): 2.5 kVrms (50Hz, 1min., changeover contact/changeover contact)
Rated insulation voltage: 250 VAC
Rated surge voltage: 4 kV
Input dataCoil side
Nominal input voltage UN: 24 VDC
Input voltage range: 20.4 VDC ... 26.4 VDC (see diagram)
Drive and function: monostable
Drive (polarity): non-polarized
Typical input current at UN: 56 mA
Input power dissipation for UN: 1.35 W
Typical response time: 20 ms
Typical release time: 15 ms
Coil resistance: 430 Ω ±10%
Output dataSwitching
Contact switching type: 3 changeover contacts
Type of switch contact: Single contact
Contact material: AgNi
Maximum switching voltage: 440 VAC
250 VDC
Minimum switching voltage: 10 V (At 24 mA)
Limiting continuous current: 16 A
Maximum inrush current: 50 A (20 ms, N/O contacts)
Min. switching current: 10 mA (at 24V)
Interrupting rating (ohmic load) max.: 384 W (at 24 V DC)
124 W (at 48 V DC)
108 W (at 60 V DC)
52 W (at 110 V DC)
70 W (at 220 V DC)
4000 VA (for 250 V AC)
4000 VA (at 440 V AC)
3-phase motor load: 1500 W (at 400 V, AC3)
Motor load according to UL 508: 1/3 HP, 120 V AC (single-phase AC motor)
1/2 HP, 240 V AC (single-phase AC motor)
1/2 HP, 240 V AC (three-phase induction motor)
Connection dataConnection method: Plug-in connection
DimensionsWidth: 38.6 mm
Height: 36.1 mm
Depth: 45.5 mm
Environmental and real-life conditionsAmbient conditions
Degree of protection: RT I
Degree of protection (Installation location): ≥ IP54 (Installation location)
Ambient temperature (operation): -40°C ... 70°C
Ambient temperature (storage/transport): -40°C ... 85°C
Altitude: ≤ 2000 m
ApprovalsCorrosive gas test
Identification: ISA-S71.04. G3 Harsh Group
EN60068-2-60
Standards and regulationsStandards/regulations: IEC 60664
IEC 61810
MountingMounting position: any
Technical Specs
ECLASSECLASS-11.0: 27371601
ECLASS-12.0: 27371601
ECLASS-13.0: 27371601
ETIMETIM 9.0: EC001437
UNSPSCUNSPSC 21.0: 39122300
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PER SCARICARE I DOCUMENTI E' NECESSARIO EFFETTUARE L'ACCESSO AL SITO

Application_note_00002.pdf

Application_note_00006.pdf

Approvals_00008.pdf

Manufacturer_declaration_04793.pdf

Product_information_00033.pdf

Product_information_00631.pdf

Technical_drawing_39856.pdf