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EMG 17-REL/KSR- 48/21-21-LC AU - Relay Module

Relay module, with soldered-in miniature switching relay, contact (AgNi+Au): small to large loads, 2 changeover contacts, input voltage 48 V AC/DC

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Notes	Utilization restriction EMC note: EMC: class A product, see manufacturer's declaration in the download area
Product properties	Product type: Relay Module Product family: EMG Application: Universal Operating mode: 100% operating factor Mechanical service life: approx. 2x 10⁷ cycles Insulation characteristics Insulation: Basic insulation Safe isolation, reinforced insulation, and 6 kV between input circuit and output contact current paths Insulation characteristics: Air clearances and creepage distances between the power circuits Insulation: Basic insulation Safe isolation, reinforced insulation, and 6 kV between input circuit and output contact current paths Overvoltage category: II Pollution degree: 2 Insulation characteristics: Air clearances and creepage distances between input and contact circuit (or output contact current path) Insulation: Safe isolation, reinforced insulation Overvoltage category: III Pollution degree: 2
Electrical properties	Maximum power dissipation for nominal condition: 0.48 W Test voltage (Winding/contact): 4 kV AC (50ÃHz, 1Ãmin., winding/contact) Test voltage (Contact/contact): 1 kV AC (50ÃHz, 1Ãmin., changeover contact/changeover contact) Air clearances and creepage distances between the power circuits Rated insulation voltage: 260 VÃAC Rated surge voltage: 2.3 kV Air clearances and creepage distances between input and contact circuit (or output contact current path) Rated insulation voltage: 260 VÃAC Rated surge voltage: 6 kV
Input data	Coil side Nominal input voltage U_N: 48 V AC/DC Input voltage range: 38.4 V AC/DC ... 52.8 V AC/DC (20Ã°C) Drive and function: monostable Drive (polarity): polarized Typical input current at U_N: 10 mA Typical response time: 8 ms Typical release time: 10 ms Protective circuit: Bridge rectifier; Bridge rectifier Operating voltage display: Yellow LED
Output data	Switching Contact switching type: 2 changeover contacts Type of switch contact: Single contact Contact material: AgNi, hard gold-plated Maximum switching voltage: 30 VÃAC 36 VÃDC Limiting continuous current: 50 mA Maximum inrush current: 0.2 A Interrupting rating (ohmic load) max.: 1.2 W (at 24 V DC) Switching: when the gold layer is destroyed Note: the following values are applicable if a gold layer is destroyed Maximum switching voltage: 250 V AC/DC Limiting continuous current: 5 A Maximum inrush current: 6 A Interrupting rating (ohmic load) max.: 120 W (at 24 V DC) 95 W (at 48 V DC) 60 W (at 60 V DC) 40 W (at 110 V DC) 55 W (at 220 V DC) 1250 VA (for 250 V AC)
Connection data	Coil side Connection method: Screw connection Stripping length: 8 mm Screw thread: M3 Conductor cross section rigid: 0.2 mm² ... 4 mm² Conductor cross section flexible: 0.2 mm² ... 2.5 mm² Conductor cross section AWG: 24 ... 12 Contact side Connection method: Screw connection Stripping length: 8 mm Screw thread: M3 Conductor cross section rigid: 0.2 mm² ... 4 mm² Conductor cross section flexible: 0.2 mm² ... 2.5 mm² Conductor cross section AWG: 24 ... 12
Dimensions	Width: 17.5 mm Height: 75 mm Depth: 62.5 mm
Environmental and real-life conditions	Ambient conditions Ambient temperature (operation): -20°C ... 40°C Ambient temperature (storage/transport): -20°C ... 70°C
Standards and regulations	Air clearances and creepage distances between the power circuits Standards/regulations: IEC 60664-1 Air clearances and creepage distances between input and contact circuit (or output contact current path) Standards/regulations: IEC 60664-1 Standards/regulations Standards/regulations: ENÃ61810-1
Mounting	Mounting type: DIN rail mounting Assembly instructions: in rows with zero spacing Mounting position: any