Specifications

Publication 1794-SG002D-EN-P - May 2012
Select a FLEX Ex I/O Power Supply 111
Input power entry 1 in NPT, ≤ 6 in conduit allowed
between power supply and
seal (UL, FM and C-UL)
Increased safety 1 in NPT, 6 in conduit allowed
between power supply and
seal (UL and C-UL)
1 in NPT, 0 in conduit allowed
between power supply and
seal (FM)
Increased safety
Output connector
terminals
Terminals 10…17
Power supply output
power (W)
34 W
(1)
Safe voltage, max U
m
250V AC 253V AC 40V DC
Voltage U
O
≤ 9.5V
Current I
O
≤ 1 A
C
O
(IIC) ≤ 500 nF
L
O
(IIC) ≤ 8μH
Output cable
resistance, max
≤ 0.1 Ω (both directions)
Power supply input
power
55 W
Power dissipation 21 W
Thermal dissipation,
max
71.67 BTU/hr
Dimensions
(HxWxD), approx
(2)
174 x 174 x 140 mm
6.9 x 6.9 x 5.51 in
260 x 174 x 140 mm
10.2 x 6.9 x 5.51 in
174 x 174 x 140 mm
6.9 x 6.9 x 5.51 in
260 x 174 x 140 mm
10.2 x 6.9 x 5.51 in
Weight, approx.
(with packaging)
6 kg (13.2 lbs) 6.9 kg (15.2 lbs) 6.1 kg (13.4 lbs) 7 kg (15.4 lbs)
Protection class IP 66/NEMA 7B IP 65/NEMA 7B IP 66/NEMA 7B IP 65/NEMA 7B
(1) 8.5 W at each of 4 outputs.
(2) Refer to individual installation instructions for mounting dimensions.
General Specifications Summary
Specification 1797-PS1N 1797-PS1E 1797-PS2N2 1797-PS2E2