IFM N0533A - Switching amplifiers for Namur sensors NV1221/24VDC/RL/1D/1G

For the operation of intrinsically safe sensors in hazardous areas.
Reliable short-circuit and wire-break monitoring.
Easy programming of the output function.
LED display to check operation, switching status and function.
Quick and easy mounting on DIN rail

Application	short-circuit monitoring; Wire monitoring

Operating voltage tolerance [%]	-15...25
Operating voltage [V]	24 DC
Current consumption [mA]	< 50
Number of channels	2

Outputs

Electrical design	relay;(per channel: 1 changeover contact parameterisable)
Contact rating	253 V AC / 2 A / cos phi > 0,7 // 40 V DC / 2 A;(ohmic resistance)
Switching frequency DC [Hz]	10

Operating conditions

Ambient temperature [°C]	-20...60
Protection	IP 20

Tests / approvals

Approval	PTB 02 ATEX 2036; IECEx PTB 17.0024
ATEX marking	II (1) G [Ex ia Ga] IIC
	II (1) D [Ex ia Da] IIIC
EMC	EN 50081-2 (1993) EN 61326-1 (2006)
MTTF [years]	325

Weight [g]	188.45
Switching cycles mechanical	10 million

Displays / operating elements

Display	switching status 2 x LED, yellow operation LED, green function 2 x LED, red

Remarks	Caution The control monitor must be mounted outside the hazardous area. Free terminals must not be used.
Pack quantity	1 pcs.

Electrical connection

Connection	terminals: ...2.5 mm²

Other data