West Control Solutions TB 45 Temperature Limiter - Manual (Page 49)

ENVIRONMENTAL CONDITIONS
Protection classes
Front panel: IP 20
Housing: IP 20
Terminals: IP 20
Permissible temperatures
For specified accuracy: -10...55°C
Warm-up time: ß 20 minutes
Temperature effect:
ß 0,05% / 10 K
Additional effect of CJ compensation:
ß 0,75 K / 10 K
Operating limits: -20...60°C
For storage: -30...70°C
Altitude
To 2000 m above sea leveln
Humidity
Max. 95%, 75% yearly average, no condensation
Shock and vibration
Vibration test Fc (DIN EN 60 068-2-6)
Frequency: 10...150 Hz
Unit in operation: 1g or 0,075 mm
Unit not in operation: 2g or 0,15 mm
Shock test Ea (DIN EN 60 068-2-27)
Shock: 15g
Duration: 11ms
Electromagnetic compatibility
Complies with EN 61 326-1 for continuous, unattended operation.
Interference radiation:
Within the limits for Class B devices.
Immunity to interference:
Meets the test requirements for devices in industrial areas.
Evaluation criteria:
w
Surge interference partly has marked effects, which decay after
the interference stops.
w
With high levels of surge interference on 24 VAC mains leads,
it is possible that the device is reset.
w
With HF interference, effects up to 50 µV can occur.
GENERAL
Housing front:
Material Polyamid PA 6.6
Flammability class: V0 (UL 94)
Connecting terminals:
Material: Polyamid PA
Flammability class: V2 (UL 94) for screw terminals
V0 (UL 94) for spring-clamp terminals
and bus connections
Electrical safety
CE conform
Complies with EN 61 010-1:
Working voltage range 300V, Over-voltage category II,
Contamination degree 2,
Protection class II
Electrical connections
Plug-in connector strips with choice of terminal type:
w
Screw terminals for lead cross-sections from 0,2 to 2,5 mm 2
w
Spring-clamp terminals for lead cross-sections from 0,2 to 2,5 mm 2
Mounting method
Clip-on rail mounting (35 mm top-hat rail to EN 50 022).
Locked by means of metal catch in housing base.
Close-packed mounting possible.
Mounting position: vertical
Weight: 0,18 kg
Standard accessories
- Operating instructions
- With ‘Interface’ option: bus connector for fitting into top-hat rail
CERTIFICATIONS
• Type tested to EN 14597 (replaces DIN 3440) With certified
sensors applicable for:
– Heat generating plants with outflow temperatures up to
120°C to DIN 4751
– Hot-water plants with outflow temperatures above 110°C to
DIN 4752
– Thermal transfer plants with organic transfer media to DIN
4754
– O il-heated plants to DIN 4755
Technical data
TB 45 49