Specifications

12
SLC 500™ Power Supplies
1746-IN004A-ML-P
General Specifications (Power Supplies P1, P2, P3, and P4)
See page 10 for general specifications on the P5, P6, and P7 power supplies.
Description:
Specification: 1746-
P1 P2 P3 P4
Line Voltage
85-132/170-265V ac
47-63 Hz
19.2-28.8V dc
85-132/170-265V
ac 47-63 Hz
Typical Line Power
Reqmnt.
135 VA 180 VA 90 VA 240 VA
Maximum Inrush
Current
20A 45A
Internal Current
Capacity
2A at 5V dc
0.46A at 24V dc
5A at 5V dc
0.96A at 24V dc
3.6A at 5V dc
0.87A at 24V dc
10.0A at 5V dc
2.88A at 24V dc
1
1. The combination of all output power (5 volt backplane, 24 volt backplane, and 24 volt user source)
cannot exceed 70 watts.
Fuse Protection
2
2. Power supply fuse is intended to guard against fire hazard due to short-circuit conditions. This fuse may
not protect the supply from miswiring or excessive transient in the power line.
1746-F1 or
equivalent
3
3. Equivalent fuses: 250V-3A fuse, nagasawa ULCS-61ML-3, or BUSSMAN AGC 3
1746-F2 or
equivalent
4
4. Equivalent fuse: 250V-3A fuse, SANO SOC SD4, or BUSSMAN AGC 3
1746-F3 or
equivalent
5
5. Equivalent fuse : 125V-3A fuse, Nagasawa ULCS-61ML-5, or BUSSMAN AGC 5
Fuse is soldered in
place.
24V dc User Power
Current Capacity
200 mA
Not Applicable
1A
1
24V dc User Power
Volt. Range
18-30V dc 20.4-27.6V dc
Ambient Operating
Temperature
0
°
C to +60
°
C (+32
°
F to +140
°
F)
Current capacity is derated 5% above +55
°
C.
0
°
C to +60
°
C
(+32
°
F to +140
°
F)
no derating
Isolation
6
6. Isolation is between input terminals and backplane.
1800V ac RMS for 1 s None
7
7. No isolation between input terminals and backplane. However, dielectric withstand between input
terminals and chassis ground terminal is 600V ac RMS for 1 s.
2600V dc for 1 s
CPU Hold-up Time
8
8. CPU hold-up time is for 0V unless specified. Hold-up time is dependent on power supply loading.
20 ms (full load) 3000 ms (no load)
5 ms (full load)
1000 ms (no load)
20 ms (full load)
3000 ms (no load)
Certification
UL listed
C-UL or CSA certified (as indicated by product or packaging markings)
CE compliant for all applicable directives
Hazardous
Environment Cert.
Class I
Division 2