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temperature limiter | TB225

temperature limiter | TB225


416,00 EUR

 inkl. 19 % USt  -> Preis zzgl. Versandkosten

Lieferzeit in der Regel ca. 1 Woche

Art.Nr.: TB225
input:
0: universal input:
output:
0: 2 relays / 1 analog output 0/4 to 20 mA:
auxiliary voltage:
0: 18 to 230 V AC/DC:
approvals:
standard, EN 14597:
SIL: additionally EN 61508, up to SIL2 (+ 21,90 EUR) :

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Produktbeschreibung


in accordance with DIN EN 14597


general information:

The temperature limiter TB225 is used for applications where thermal processes must be monitored and the system must be switched to a safe operating state in the case of a fault. The device has universal inputs for the connection of double thermocouples,Pt100 sensors, and normized signals (0/4 to 20 mA or 0/2 to 10 V). The safety function is provided by means of the main relay with configurable threshold. An additional relay with an independently adjustable threshold is provided for additional signalling. The TB225 also offers an analog output which can be freely defined within the measuring range of the temperature input. The resetting of the device in the operating mode as a temperature limiter can take place via the buttons on the front ans the integrated graphic display, or using an external switch or external voltage. The TB225 has safe 3-way electrical isolation between input, output, and auxiliary voltage.

  • for use as a temperature limiter or monitor
  • certified according to EN 14597, optional EN 61508 (SIL2)
  • configurable operating / configuration lock
  • universal signal input
  • 2 relay changers + analog output
  • intuitive operation: Illuminated graphic display
  • display colour change in the event of an alarm "white / red"
  • safe 3-way galvanic isolation
  • wide range power supply 18...230 V AC/DC


brief information:

The connected temperature signal is evaluated and monitored. If the permissible threshold is reached or an error occurs within the permissible temperature range, the TB225 switches off immediately. The additional relay output of the TB225 enables the
function of a preliminary alarm with an independent threshold. The following operating modes are possible through configuration:

temperature limiter:
Maximum or minimum monitoring with catch, manual resetting after fault elimination via the front keys or an external switch / voltage signal. Operating methods in accordance with EN14597: 2012: type 2B, 2H, 2V

temperature monitor:
Maximum or minimum monitoring without catch, automatic resetting
on return to the permissible range. Operating methods in accordance with EN14597: 2012: type 2B


specifications:

auxiliary power

auxiliary voltage:18 to 230 V AC/DC
power consumption: <5 VA
rated voltage:250 V AC acc. to EN 60730-1: 2011,
between input / relay output / auxiliary voltage,
degree of contamination 2,
overvoltage category III
rated surge voltage 4kV
CE conformity: 2014/30/EU : EN 600730-1:2011;
EN 60730-2-9:2010
2014/35/EU : EN 60064-1:2007
2011/65/EU : EN IEC 63000:2018


 
environmental conditions

operating temperature:                    
-10°C to +55°C
storage temperature: -20°C to +60°C
relative air humidity: <95 %
condensation:       
not permitted
       

approvals
EN 14597: 2012:temperature control devices and temperature limiters for heat generating systems
EN 61508:2010 SIL2:functional security safety-related
electrical/electronic/programmable
electronic systems


input
Pt100:-100.0°C to +600.0°C
accuracy:0.2 %, ±1 digit
temperature coefficient:0.01 %/K
thermocouple:
type J: Fe-CuNi -100°C to +800°C
type K: NiCr-Ni -150°C to +1,200°C
type N: NiCrSi-NiSi -150°C to +1,200°C
type S: Pt10RH-PT 0°C to +1,600°C
reference junction compensation integrated
accuracy:
<0.3 %, ±1 digit
temperatue coefficient:
0.01 %/K
analog input:
0/2 to 10 V DC, 0/4 to 20 mA
0 to 10 V and 0 to 20 mA not allowed for temperature limiter
accuracy:
0.2 %, ±1 digit
temperature coefficient:
0.01 %/K


display
graphic LC display with 32 x 90 pixel, with white/red background lighting


outputs

switching outputs:
2x relay
changeover relay:
<250 V AC <500 VA <2 A ohmic load
<30 V DC <60W <2 A
ohmic load
Internal main relay secured with 2A fuse!
Fuse is not interchangeable!
analog output:
0/4 to 20 mA load ≤500 Ω
0/2 to 10 V DC load >500 Ω
electrically isolated
output switches automatically (load-dependent)
accuracy:
0.2 %
temperature coefficient:
0.01 %/K


housing:
polyamide (PA) 6.6 , UL94V-0, TS35 acc. to DIN EN 60715
weight: approx. 180 g
connection:
screw terminals
0.14 to 2.5 mm2 with wire protection
0.14 to 2.5 mm2 (AWG 26..14)
ingress protection:
IP20, BGV A3




For further details p.r.t. data sheet:





instruction manual as .pdf:


 

 

 

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