توضیحات
Monitoring relay – EMD-SL-PTC – 2866093
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
Dimensions
Width 22.5 mm
Height 90 mm
Depth 113 mm
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Ambient conditions
Ambient temperature (operation) -25 °C … 55 °C
-25 °C … 40 °C (corresponds to UL 508)
Ambient temperature (storage/transport) -25 °C … 70 °C
Permissible humidity (operation) 15 % … 85 %
Degree of protection IP40 (Housing)
IP20 (Connection terminal blocks)
Noise immunity EN 61000-6-2
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Input data
Maximum temperature coefficient < 0.1 %/K
Function Winding temperature monitoring
Basic accuracy ± 10 % (of scale end value)
Repeat accuracy ≤ 2 %
Total cold resistance < 1.5 kΩ
Response value ≥ 3.6 kΩ (Relay drops out)
Release value ≤ 1.8 kΩ (Relay picks up)
Short-circuit detection < 20 Ω
Voltage influence ≤ 1 %
Recovery time 500 ms
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Contact side
Contact type 2 floating changeover contacts
Maximum switching voltage 250 V AC (in acc. with IEC 60664-1)
Interrupting rating (ohmic load) max. 750 VA (3 A/250 V AC, module aligned, ≤ 5 mm spacing)
1250 VA (5 A/250 V AC, module not aligned, ≥ 5 mm spacing)
Output fuse 5 A (fast-blow)
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Power supply
Supply voltage range 24 V AC ... 230 V AC (see Power modules)
24 V DC (see Power modules)
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General
Mechanical service life approx. 2x 107 cycles
Operating mode 100% operating factor
Mounting position any
Assembly instructions on standard DIN rail NS 35 in accordance with EN 60715
Electromagnetic compatibility Conformance with EMC directive
Housing insulation material Polyamide PA, self-extinguishing
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Connection data
Connection method Screw connection
Stripping length 8 mm
Conductor cross section solid 0.5 mm² ... 2.5 mm²
Conductor cross section flexible 0.25 mm² ... 2.5 mm²
Conductor cross section AWG 20 ... 14
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Standards and Regulations
Low Voltage Directive Conformance with Low Voltage Directive
Electromagnetic compatibility Conformance with EMC directive
Noise emission EN 61000-6-3
Noise immunity EN 61000-6-2
Standards/regulations EN 50178
Rated insulation voltage 300 V
Rated surge voltage 4 kV
Insulation Basic insulation
Pollution degree 2
Overvoltage category III
