20 ir33 platform “connections” +030220445 - rel. 2.3 - 27.04.2011
ENGLISH
5. IR33POWER
5.1 Dimensions
See “Dimensions” for the chapter on the ir33.
5.2 Electrical specifi cations
voltage power
Power supply
model E: 230 V~ 50/60 Hz; 3 VA, 25 mA~ max
model A: 115 V~ 50/60 Hz; 3 VA, 50 mA~ max
Insulation guaranteed by the power
supply
voltage power
model E, A, H:
insulation from very low voltage parts: reinforced; 6 mm air, 8 mm surface; 3750 V insulation
insulation from relay outputs for model
E, A for I, L, M, N connections only: basic; 3 mm air, 4 mm surface; 1250 V insulation
insulation from relay outputs with model
E, A for A, B, C, D connections only: Do not insulate from the power supply as one
phase is taken from the relay common
Inputs S1 NTC or PTC, depending on the model
S2 NTC or PTC, depending on the model
DI1 voltage-free contact, contact resistance < 10 ohm, closing current 6 mA
S3 NTC or PTC, depending on the model
DI2 voltage-free contact, contact resistance < 10 ohm, closing current 6 mA
S4 NTC or PTC, depending on the model
Maximum distance between probes and digital inputs less than 10 m. Note: in the installation, keep the power supply and load connections
separate from the probe, digital inputs, repeater display and supervisor cables.
Type of probe NTC std. Carel 10 k at 25 °C, range –50 to 90 °C
measurement error: 1 °C in the range –50 to 50 °C
3 °C in the range +50 to 90 °C
High temperature NTC 50 k at 25 °C, range –40 to 150 °C
measurement error: 1.5 °C in the range –20 to 115 °C 4 °C C in the range outside of -20 to 115 °C
Std. Carel PTC (specifi c model) 985 at 25°C, range -50 to 150 °C
measurement error: 2 °C in the range –50 to 50 °C 4 °C in the range +50 to 150 °C
Relay outputs depending on the model
R3 EN60730-1: 250 V~ 5(1) A; 100,000 operating cycles
UL 873: 250 V~ 1A res 1FLA 6LRA C300; 30,000 operating cycles
R2 EN60730-1: 250 V~ 8(4) A on N.O., 6(4) A on N.C., 2(2) A on N.O. and N.C.; 100,000 operating cycles
UL 873: 250 V~ 12A res 5FLA 30LRA C300; 30000 operating cycles
R1 EN60730-1: 250 V~ 10 (10) A; 100,000 operating cycles
UL 873: 250 V~ 12A res 12HP 72LRA; 30,000 operating cycles
(*): relay not suitable for fl uorescent loads (neon lights, ...) that use starters (ballasts) with phase-shift capacitors. Fluorescent lamps with
electronic control devices or without phase-shift capacitors can be used, within the operating limits specifi ed for each type of relay.
insulation from very low voltage parts reinforced; 6 mm air, 8 mm surface; 3750 V insulation
insulation between the relay outputs independent basic; 3 mm air, 4 mm surface; 1250 V insulation
Connections
Type of connection Cross-sections Maximum current
fi xed screw 16A for cables from 0.5 to 4.5 mm² 16 A
fi xed screw for cables from 0.5 to 2.5 mm² 12 A
plug-in for screw blocks for cables from 0.5 to 2.5 mm² 12 A
The correct sizing of the power and connection cables between the instrument and the loads is the responsibility of the installer. Depending
on the model the maximum current at the common terminals is 12A or 16A. In the max load and max operating temp. conditions, the cables
used must be suitable for operation up to 105°C.
Case plastic = O, L, H dimensions: 34.4x76.2x79 mm, mounting depth: 70.5 mm
Assembly smooth, hard and indeformable panel: side fastening brackets, to be pressed in fully
drilling template: dimensions 28.8±0.2 x 70.8±0.2 mm
Display digits: 3 digit LED
display: from -99 to 999
operating status: indicated with graphic icons on the display
Keypad 4 silicone rubber buttons
Infrared receiver available depending on the model
Clock with backup battery available depending on the model
Buzzer available in all models
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