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IM 05D01C02-41E 3rd Edition: May 31, 2006-00
Contact Outputs
• Purpose: Alarm output, FAIL output, and others
• Number of outputs: Differs with the model and suffix code as shown in the table below.
Model and Suffix Codes Number of Outputs
UT520-00
UT520-07
UT520-08
3
3
3
3
7
3
7
3
UT550- 0
UT550- 1
UT550- 2
UT550- 3
UT550- 4
• Relay contact rating: 240 V AC, 1 A, or 30 V DC, 1 A
• Transistor contact rating: 24 V DC, 50 mA
Display Specifications
• PV display:
5-digit, 7-segment, red LEDs, character height of 20 mm for UT550 and 12 mm for
UT520
• Setpoint display: 3-digit and 5-digit, 7-segment, red LEDs, character height of 9.3 mm
(for both UT520 and UT550)
• Status indicating lamps: LEDs
Safety and EMC Standards
• Safety: Complies with IEC/EN61010-1 (CE), approved by C22.2 No.61010-1, ap-
proved by UL508.
Installation category : CAT. II Pollution degree : 2 (IEC/EN61010-1, C22.2 No.61010-
1)
Measurement category : I (CAT. I : IEC/EN61010-1)
Rated measurement input voltage : 10V DC max.(across terminals), 300V AC
max.(across ground)
Rated transient overvoltage : 1500V (Note)
Note : It is a value on the safety standard which is assumed by IEC/EN61010-1 in
Measurement category I, and is not the value which guarantees an apparatus perfor-
mance.
CAUTION
This equipment has Measurement category I, therefore do not use the equipment for
measurements within Measurement categories II, III and IV.
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