<Toc> < 1. Installation >
1-11
IM 05D01C02-41E 3rd Edition: May 31, 2006-00
1
2
3
4
Measurement category
CAT.1
CAT.2
CAT.3
CAT.4
Remarks
Appliances, portable equipments, etc.
Distribution board, circuit breaker, etc.
Overhead wire, cable systems, etc.
Description
For measurements performed on circuits not directly connected to MAINS.
For measurements performed on circuits directly connected to the low voltage installation.
For measurements performed in the building installation.
For measurements performed at the source of the low-voltage installation.
Internal Wiring
Outlet
Entrance
Cable
4
3
1
T
2
• EMC standards: Complies with EN61326, EN61000-3-2, EN61000-3-3 and EN55011
(CE).
AS/NZS 2064 compliant (C-Tick).
Class A Group 1.
The instrument continues to operate at a measuring accuracy of within 20% of the
range during tests.
Construction, Installation, and Wiring
• Construction: Dust-proof and drip-proof pront panel conforming to IP55. For side-by-
side close installation the controller loses its dust-proof and drip-proof protection.
• Material: ABS resin and polycarbonate
• Case color: Black
• Weight: About 1 kg or less
• Dimensions:
UT550 96 (W) 96 (H) 100 (depth from panel face) mm
UT520 48 (W) 96 (H) 100 (depth from panel face) mm
• Installation: Panel-mounting type. With top and bottom mounting hardware (1 each)
• Panel cutout dimensions:
UT550 92
+0.8
0
(W) 92
+0.8
0
(H) mm
UT520 45
+0.6
0
(W) 92
+0.8
0
(H) mm
• Installation position: Up to 30° upward facing
(not designed for facing downward)
• Wiring: M3.5 screw terminals (for signal wiring and power/ground wiring as well)