INSTALLATION
Refer to the drawings below.
■
EXTERNAL DIMENSIONS mm (inch)
50 (1.97)
110 (4.33)
70 (2.76)
20 (.79)
65 (2.56)
77 (3.03)
85 (3.35)
8 (.31)
U
V
G
u
v
4–4 (.16) dia.
SURGE
SIDE
PROTECT
SIDE
ALM
■
MOUNTING REQUIREMENTS mm (inch)
50 (1.97)
77 (3.03)
90 (3.54) min.
77 (3.03)
4–M3
SCREW
TERMINAL CONNECTIONS
Connect the unit as in the diagram below.
Be sure to cross-wire between the Ground terminal (G) and metallic housing of the protected equipment. (100Ω max.)
MMD-24
S2
S1
P2
P1
–
+
4 – 20mA
DC
MMA-100
MMA-200
BREAKER
Be sure to
install
the breaker.
V
U
v
u
AC
Source
V
U
G
G
G
EQUIP-
MENT
■
GROUNDING
M-RESTER
PROTECTED
EQUIPMENT
G
G
CROSSOVER WIRE
GROUNDING
(100 ohms or less)
A crossover wire between M-RESTER ground and ground or metallic
housing of equipment is required for protection.
If the protected equipment has no ground terminal, ground the
M-RESTER only.
MMA
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: [email protected]
EM-8173 Rev.5 P. 2 / 3
