
Product description
NAR300 system for high temperature
10
Hauser
3.2.2
Ex [ia] sensor I/F Ex box
Item
Description
Protection class
IP67 (outdoor installation)
Power supply
Supplied by NRR261 or NRR262
Cable entry
• NAR300 (float sensor) side: G1/2, with cable gland
• NRR261 or NRR262 (transmitter) side: G1/2, NPT1/2, M20
Weight
3.2 kg (7.1 lb)
Materials
Housing/cover: Aluminum casting
3.2.3
Ex d [ia] transmitter NRR261
Item
Description
Protection class
IP67 (outdoor installation)
Permissible power-supply
voltage range
• AC power supply: 90 to 250 V
AC
, 50/60 Hz
• DC power supply: 22 to 26 V
DC
(built-in power supply arrester)
Maximum power consumption
• AC power supply: 20 VA DC
• Power supply: 2 W
Output
• Contact output: 1SPDT
• Maximum contact rating: 250 V
AC
, 1 A, 100 VA or 100 V
DC
: 1 A, 25 W
• Fail-safe function: Activated when the power is turned off and when it
freezes (see "Alarm output table")
Cable entry
• G3/4 x2 (Ex d), G1/2 x1 (Ex ia)
• G1/2 x 2 (Ex d), G1/2 x 1 (Ex ia)
• NPT3/4 x2 (Ex d), NPT1/2 x1 (Ex ia)
• NPT1/2 x2 (Ex d), NPT1/2 x1 (Ex ia)
• M25 x2 (Ex d), M20 x1 (Ex ia)
• M20 (Ex d), M20 x1 (Ex ia)
• TIIS explosion-proof specifications are equipped with cable gland model
SXBM
Lightning arrester
Built-in (power supply arrester)
Weight
Approx. 10 kg (22 lb)
Materials
Housing/cover: Aluminum casting
3.2.4
Ex [ia] transmitter NRR262
Item
Description
Protection class
IP20 (indoor installation), installed in non-hazardous locations
Permissible power-supply
voltage range
• AC power supply: 90 to 250 V
AC
, 50/60 Hz
• DC power supply: 22 to 26 V
DC
(built-in power supply arrester)
Maximum power consumption
• AC power supply: 20 VA DC
• Power supply: 2 W
Output
• Contact output: 1SPDT
• Maximum contact rating: 250 V
AC
, 1 A, 100 VA or 100 V
DC
: 1 A, 25 W
• Fail-safe function: Activated when the power is turned off and when it
freezes (see "Alarm output table")
Lightning arrester
Built-in (power supply arrester)
Weight
Approx. 0.6 kg (1.3 lb)
Materials
Housing: Plastic
Содержание NAR 300
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