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EMD-SL-PTC - Monitoring relay

Monitoring relay for temperature monitoring of the motor winding (maximum 6 PTC) with error memory for temperature sensors in acc. with DIN 44081, test function with integrated test/reset button, supply voltage can be selected via power module, 2 changeover contacts

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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: Temperature monitoring relay Operating mode: 100% operating factor Mechanical service life: approx. 2x 10⁷ cycles Insulation characteristics Insulation: Basic insulation Insulation characteristicsÃ¢Ã¢¬Ã¢¹ Insulation: Basic insulation Overvoltage category: III Pollution degree: 2
Electrical properties	Service life electrical: 2x 10⁵ cycles at ohmic load, 1000 VA Rated insulation voltage: 300 V Rated surge voltage: 4 kV Supply Supply voltage range: 24 VÃAC ... 230 VÃAC (see Power modules) 24 VÃDC (see Power modules) Nominal power consumption: 2 VA (1.5ÃW)
Input data	Input name: Measuring input Maximum input voltage: 7.5 VÃDC (connection terminal blocks: T1 and T2) Frequency range: 50 Hz ... 60 Hz Maximum temperature coefficient: < 0.1 %/K Response value: Ã¢Ã¢°¥ 3.6 kÃ© (Relay drops out) Function: Winding temperature monitoring Basic accuracy: Ã± 10 % (of scale end value) Repeat accuracy: Ã¢Ã¢°¤ 2 % Total cold resistance: < 1.5 kÃ© Release value: Ã¢Ã¢°¤ 1.8 kÃ© (Relay picks up) Short-circuit detection: < 20 Ã© Voltage influence: Ã¢Ã¢°¤ 1 % Recovery time: 500 ms Control Connection name: Connection of an external reset button (floating controlled N/O contact) Load capacity: Cannot carry load Cable length: max. 10 m
Output data	Switching Contact switching type: 2 floating changeover contacts Maximum switching voltage: 250 VÃAC (in acc. with IEC 60664-1) Interrupting rating (ohmic load) max.: 750 VA (3 A/250 V AC, module aligned, Ã¢Ã¢°¤ 5 mm spacing) 1250 VA (5 A/250 V AC, module not aligned, Ã¢Ã¢°¥ 5 mm spacing) Output fuse: 5 A (fast-blow)
Connection data	Connection method: Screw connection Stripping length: 8 mm Conductor cross section rigid: 0.5 mm² ... 2.5 mm² Conductor cross section flexible: 0.25 mm² ... 2.5 mm² Conductor cross section AWG: 20 ... 14
Dimensions	Width: 22.5 mm Height: 90 mm Depth: 113 mm
Material specifications	Housing insulation material: Polyamide PA, self-extinguishing
Environmental and real-life conditions	Ambient conditions Degree of protection (Housing): IP40 (Housing) Degree of protection (Connection terminal blocks): IP20 (Connection terminal blocks) Ambient temperature (operation): -25°C ... 55°C -25°C ... 40°C (corresponds to ULÃ508) Ambient temperature (storage/transport): -25°C ... 70°C Climatic class: 3K3 (in acc. with EN 60721) Permissible humidity (operation): 15 % ... 85 %
Approvals	CE Certificate: CE-compliant UL, USA/Canada Identification: UL/C-UL Listed UL 508
EMC data	Low Voltage Directive: Conformance with Low Voltage Directive Noise immunity: EN 61000-6-2 Electromagnetic compatibility: Conformance with EMC directive Noise emission: EN 61000-6-3
Standards and regulations	Standards/regulations: ENÃ50178
Mounting	Mounting type: DIN rail mounting Assembly instructions: on standard DIN rail NS 35 in accordance with EN 60715 Mounting position: any