S
AFET
Y
RELAY
S
S
AFETY RELAY
S
S
RA
S
ERIE
S
22.
5
9
9
113.
5
O
rder cod
e
A
ux
ili
ar
y
supp
ly
v
o
l
ta
ge
T
pe of outpu
c
on
t
ac
t
Fu
n
c
t
ion
[
V
]
Multifunctio
n
S
RAMF2
1
24VD
C
2
N
O
+ 1PN
P
M
ulti
f
unctio
n
Sin
g
le functio
n
S
RATH2
1
24VD
C
2
N
O
+ 1PN
P
T
w
o
-
ha
n
d
co
ntr
ol
de
v
ices
S
RALC2
1
D
evices OSS
D
S
RASM2
0
2
N
O
Emergenc
y
stop
S
afet
y
switch Ma
g
netic sensors
T
w
o
-
ha
n
d
co
ntr
ol
de
vi
ces
S
afet
y
devices with
OSS
D
outputs
(
light curtains, laser
s
canner, RFID,...
)
M
echanical safety
i
nt
e
rl
oc
k
S
RAMF21
••••• •
S
RATH21
•
SRALC21
•
S
RA
S
M20
•
With the SRA... series of safety relays you can monitor the most advanced types of safety systems including light curtains, RFID
sensors and two-hand control devices. The SRA series also includes a multifunction model that allows to manage all the main
safety functions in a single device.
S
afety relays with perfomance level up to
C
at.4,
PL
e com
pli
ant to EN/BS 13849-1
C
ompact design with 35mm DIN rail mounting
Order code
SRASM20
SRASM20
S
RAMF2
1
SRALC21
SR
AL
C2
1
SRATH21
SR
AT
H2
1
Dimensions [mm]
Potential uses
Multifunction model settable with a frontal
trimmer, which includes the main
safety functions in one product
Single function models that can be used for:
safe control of light curtains, two-hand control
devices, laser scanner and RFID sensors.
A
larm dia
g
nostics throu
g
h the frontal LED
f
lashin
g
General characteristics
T
he
S
RAMF21 multifunction safet
y
rela
y
offers the
p
ossibilit
y
o
f
having the sa
f
et
y
f
unctions above in one
d
ev
i
ce.
Thi
s
i
s ac
hi
eve
d
by
s
i
mp
ly
se
l
ect
i
ng t
h
e
d
es
i
re
d
f
unction using the dedicated
f
rontal trimmer
.
T
he
S
RAMF21 multifunction safet
y
rela
y
monitors and
c
ontrols sa
f
et
y
circuits in applications with:
–
E
mergency stops
–
S
ecurity accesses
– Magnetic safet
y
switches
–
S
afet
y
limit switches
–
El
ectromec
h
an
i
ca
l
i
nter
l
oc
k
s
– Input from
OSS
D
(
for E
S
PE and RFID
)
, automatic restart
or mon
i
tore
d
manua
l
restart
–
C
ommand of two-hand control devices
(
type IIIA and III
C
according to EN 574
)
–
C
ontrol for t
y
pe 2 photocells, manual or automatic
res
t
ar
t
.
T
he Lovato Electric
S
RA... safety relays are designed in
o
rder to monitor and control sa
f
ety circuits in applications
with
:
–
S
RATH21: monitorin
g
of two-hand control devices
(type IIIC according to EN 574)
– SRALC21: monitoring of safet
y
devices equipped with
OSS
D
(
light curtains, laser scanner, RFID
)
–
S
RA
S
M20: monitoring of devices equi
pp
ed with
OSS
D
and integrated sa
f
ety
f
unctions.
Main characteristics
– Auxiliary supply voltage: 24VD
C
– 35mm DIN rail mounting
(
IE
C
/ EN / B
S
60715
)
– 1 PNP output
f
or s
y
stem monitoring
– 1
f
eedback in
p
ut
f
rom external contactors
– 1 test input
(
for light curtains
)
– Alarm dia
g
nostics throu
g
h LED flashin
g
–
F
ront
p
rotect
i
on
d
egree:
IP
20
–
T
erm
i
na
l
p
rotect
i
on
d
egree:
IP
20.
Certifications and compliance
C
ertifications
(
pending
)
: cULus, TUV
.
C
om
p
liant with standards:
C
at. 4, PLe according to
E
N
/
B
S
13849-1.