Schweitzer Engineering Laboratories SEL-351 - Section 2: Installation; Relay Mounting

Date Code 20001006 Installation 2-1
SEL-351 Instruction Manual
SECTION 2: INSTALLATION
RELAY MOUNTING
0.35
(8.9)
A
C
B
FRONT
MAIN
BOARD
ONLY (2U)
C
*
D
DIMENSION
A B
6.65
(168.9)
4.90
(124.5)
3.60
(91.4)
5.35
(135.9)
ONE I/O
BOARD (3U)
3.47
(88.1)
3.00
(76.2)
5.22
(132.6)
2.25
(57.2)
D
*
0.35
(8.9)
FLUSH
MOUNT
*
TOP
PROJECTION
MOUNT
*
Ø
7/32
(
Ø
5.6)
PANEL CUTOUT
i2139b
B
in
(mm)
#10-32 STUD
TOP
2.75
(69.9)
18.31
(465.1)
8.80
(223.5)
6.40
(162.5)
8.80
(223.5)
19.80
(502.9)
17.63
(447.8)
18.31
(465.1)
19.00
(482.6)
ADD 0.65 (16.5) FOR CONNECTORIZED RELAYS
Figure 2.1: SEL-351 Relay Dimensions, Panel Cutout, and Drill Plan
Courtesy of NationalSwitchgear.com