Safety Interlock Switches
TL8012-S
Versatile Safety Interlock Switch
with Guard Door Locking
• High locking force of 2000 N
(450 lb.)—locks guard door shut until machine is safe to enter
• NEMA 6 enclosure withstands water washdown cleaning
• Door and lock monitoring—the TL8012-S has a total of 5 contacts: 2 N/C
safety + 1 N/O for door position monitoring plus 1 N/C + 1 N/O for lock
monitoring
• Lid-mounted status light is on when solenoid is energized, indicating that
solenoid has unlocked the guard door
• Rotatable head—provides 4 actuator entry positions to simplify installation
• Optional key release—this option on power-to-unlock models allows
emergency manual unlocking of the guard door
Long life—the TL8012, with its variety of stainless steel actuators and stainless
• steel guide, is designed for a minimum of one million actuations.
Conforms to EN1088, EN60947-5-1, EN292, EN60204-1
UL and C-UL listed
Specifications
Electrical
TL8012-S1 & -S2
All Models
Contact Configurations:
Safety Contacts:
Switching Ability
Safety Contact Gap:
TL8012-S3
3 N/C + 2 N/O
4 N/C + 1 N/O
3 N/C positive break
4 N/C positive break
AC:
500 V–1 A, 250 V–2 A, 100 V–5 A
DC:
250 V–0.5 A, 24 V–2 A
> 2 mm (0.079 in.)
Auxiliary Contacts:
2 N/O (1 solenoid monitoring)
Max Switching Current/Volt/Amp:
500 V/500 VA
Minimum Current:
5 V 5 mA DC
Electrical Life:
1 x 106 minimum
Solenoid Supply Voltage:
24 VDC or 24 VAC/DC or 110 VAC or 220 VAC
1 N/O
NOTE: 220 VAC not available for S2 and S3 configurations.
Solenoid Power:
7 W, approx. 900 mA inrush
Solenoid Rating:
100% duty
Mechanical
Mounting:
Any position
Mounting Hardware:
4 x M5 screws
Actuator Travel for Positive Opening: 7 mm (0.276 in.)
Min Operating Radius:
Approximately 80 mm (3.25 in.) with flex actuator
Approximately 175 mm (7 in.) with standard actuator
Max Holding Force:
2000 N (450 lb.)
Max Actuation Speed:
160 mm/sec (6.3 in./sec)
Max Activation Frequency:
1 cycle/sec
Case Material:
UL listed, glass-filled polyester
Actuator Material:
Stainless steel
Wiring Entry:
3 x M20 conduit with 0.5 in. NPT adapter
Weight:
400 g (14 oz.)
Color:
Red
Mechanical Life:
1 x 106 minimum
Note: The safety contacts are
described as normally closed (N/C),
i.e., with the guard closed, actuator
in place, and the machine able to
be strarted.
Environmental
Protection:
IP67 (NEMA 6)
Operating Temperature:
-20 to 60°C (-4 to 176°F)
Cleaning:
Water washdown
Compliance
Standards:
EN1088, EN60947-5-1, EN292, EN60204-1
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1
TL8012-S
Safety Interlock Switches
Operation
Actuator Alignment Guide
Actuator alignment guide, easily
replaced if damaged, provides an
ideal letter box feature for mounting the switch behind a fixed
panel.
TL8012
B
A
c
D
1
2
2
Blanking plug
for unused
entry.
1
The head rotates 180° to give 4
possible actuator entry points.
A distance of 3.0 mm or less is required
between face of switch and face of actuator
for switch to lock.
Locking force = 450 lbs (2000 N) maximum
Optional Key Release Version
The TL8012-S is available with a
key to provide emergency override
of the switch locking mechanism
by a qualified, responsible person.
2
Optional Flat Actuator
Allows mounting to flat surfaces. Flexible rubber mounting
bushings also
allow for some
actuator flexibility.
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Optional Flexible 1 Actuator
15° flexibility in any direction. The
actuator has 2 set screws for altering and locking adjustable angle.
TL8012-S
Operation (continued)
Contact Arrangements
AC/DC A2 A1
34
100% ED.
53 22
54
42
41 12
iven N/C contact
TL8012-2
0.26 0.12
6.6 3 0
0.79
20
41/42
11/12
21/22
33/34
53/54 CLOSED WHEN POWER ON
Contact Open
TL8012-3
0.26 0.12
6.6 3 0
41/42
11/12
21/22
33/34
53/54
OPEN WHEN
POWER ON
Contact Open
Contact Closed
CLOSED WHEN
POWER ON
Contact Closed
0.79
20
41/42
51/52
33/34
11/12
21/22
Contact Open
0.26 0.12
6.6 3 0
Minimum Operating Radius
Front-Entry (Std. & Flat Actuators)
)
.89 (175
MIN.R 6
Flexible Actuator
> 3.15 (80)
MIN.R -
Contact Closed
Minimum Operating Radius
End-Entry (Std. & Flat Actuators)
)
.89 (175
MIN.R 6
Flexible Actuator
> 3.15 (80)
MIN.R -
Applications
1URB
Typical applications are on
sliding guard doors and swinging
guard doors that must remain
locked until a signal is applied to
the internal solenoid that unlocks
the guard door.
24V DC
START
K1
K1
MOMENTARY
PUSH
BUTTON
K2
K2
L1
LOCK
RELEASE
STOP
MOMENTARY
PUSH
BUTTON
MOMENTARY
PUSH
BUTTON
FUSES
GUARD
CLOSED
A1
42
54
A2
41
12
22
34
53
11
21
33
TL8012-S 24V
CONTACT
PROTECTION
E.G. THERMAL CUT OUT
K1
K2
M
E-STOP LATCHING
E-STOP BUTTON
K1
L2 L3
AUXILIARY CIRCUIT
(LOCK STATUS INDICATION)
4
Titan TLS 3
Titan TLS 1 & 2
0.79
20
33
21
11
TL8012 -3
TL8012 -1 & -2
AUXILIARY CIRCUIT
(CONTACT STATUS INDICATION)
2
AC/DC A2 A1
34
100% ED.
51 22
52
42
41 12
33
21
11
TL8012-1
2
4
Safety Interlock Switches
K2
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3
TL8012-S
Safety Interlock Switches
Applications continued
L1 L2 L3
24 VAC/DC, 110 VAC, 230 VAC
K1(AUX)
LOCK RELEASE
MOMENTARY
PUSH
BUTTON
START
K2(AUX)
MOMENTARY
PUSH
BUTTON
K1(a)
FUSES
(AUX)
(AUX)
MOMENTARY
PUSH
BUTTON
K2(a)
K1(a)
K1
K2(a)
K2
(AUX)
STOP
(AUX)
(AUX)
(AUX)
GUARD
CLOSED
A2
41
53
12 22
54
TL8012-S1
34
A1S13 S23 X1 41 13 23 33
A1 N P N X1 13 23 31
SR06AM
SET TO D CHANNEL
11
21
33
SET TOT MODE
A2 S14 S24 X2 42 14 24 34
CONTACT
PROTECTION
E.G. THERMAL
CUT OUT
SMD02
42
LINK
A1
A2 P N P X2 14 24 32
NPN
EB SERIES
LATCHING
E-STOP
BUTTON
FUSES
K1
K2
INDUCTIVE
SENSOR
M
INDUCTIVE
SENSOR
PNP
INDICATION BULB
SHOWS STOPPED MOTION
■
Application Monitoring Units
SR223SMT Timer Unit
Used with the TL8012-S for machines with
constant overrun. Gives a timed delay to
the lock/release signal. Failsafe and
adjustable to a range of times from 1.0
seconds up to 31 seconds.
4
SR125SMS Stop Motion
Sensing Unit
Used with the TL8012-S for machines with
inconstant or variable overrun. Senses
back EMF of AC or DC motors. Failsafe
and adjustable to a range of 0.01 V to
0.10 V.
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Safety Monitoring Relay Units
Safety monitoring relays ensure a
maximum level of safety by monitoring all
wiring in the safety circuit, including
switches and contactors. Any fault and the
power to the machine is switched off. A
variety of safety monitoring relay units are
available.
TL8012-S Safety Interlock Switches
Dimensions
43
1.69
21
0.83
17
0.67
(mm/in.)
6
0.24
5 25.5
0.2 1.0
5.5
0.22
126
4.96
SWITCH
105
4.13
14
0.55
14
0.55
20.5
0.81
5
0.2
3
0.12
37
1.46
33
1.3
6.5
9 M5 0.26
5
0.35
0.2
6.5
0.26
57
2.24
3
0.12
73
2.87
Standard Actuator
6.5
0.26
2 x M5
15
0.6
52.5
2.07
52
2.05
52
2.05
40
1.57
4
0.16
M5 CSK
67.5
2.66
30
1.18
60.5
2.38
4
0.16
Flexible 1 Actuator
40
1.57
14.5
0.57
27
22 1.06
0.87
17
0.67
21
0.83
86
3.39
3.5
0.14
Optional
key release
18
0.71
36
1.42
6.8
0.27
31
1.22
8
20 0.31
0.79
Flat Actuator
4 x Ø5.5
0.22
2 x M3
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57
2.24
17.5
0.69
36 20
1.42 0.8
Adjusting
screws
19
0.75
M4
25
0.98
13
0.51
51
2.01
18
0.71
10
0.4
8
0.315
3.5
0.14
5
TL8012-S
Safety Interlock Switches
Ordering
model
Solenoid
contacts
Wiring entry
Part no.
24 VAC/DC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1080
POWer tO UnlOck
TL8012-S1024SM (90-degree actuator)
TL8012-S1110SM (90-degree actuator)
110 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1020
TL8012-S1220SM (90-degree actuator)
220 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1030
TL8012-S1024FM (flex actuator)
24 VAC/DC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1100
TL8012-S1110FM (flex actuator)
110 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1110
TL8012-S1220FM (flex actuator)
220 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1120
TL8012-S1024TM (flat actuator)
24 VAC/DC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1130
TL8012-S1110TM (flat actuator)
110 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1140
TL8012-S1220TM (flat actuator)
220 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1150
POWer tO UnlOck With key
TL8012-S1024SKM w/ Key (90-degree actuator)
24 VAC/DC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1160
TL8012-S1110SKM w/ Key (90-degree actuator)
110 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1170
TL8012-S1220SKM w/ Key (90-degree actuator)
220 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1180
TL8012-S1024FKM w/ Key (flex actuator)
24 VAC/DC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1190
TL8012-S1110FKM w/ Key (flex actuator)
110 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1200
TL8012-S1220FKM w/ Key (flex actuator)
220 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1210
TL8012-S1024TKM w/ Key (flat actuator)
24 VAC/DC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1220
TL8012-S1110TKM w/ Key (flat actuator)
110 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1230
TL8012-S1220TKM w/ Key (flat actuator)
220 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1240
TL8012-S2024SM (90-degree actuator)
24 VAC/DC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1040
TL8012-S2110SM (90-degree actuator)
110 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1050
TL8012-S2024FM (flex 1 actuator)
24 VAC/DC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1090
TL8012-S2110FM (flex 1 actuator)
110 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1250
TL8012-S2024TM (flat actuator)
24 VAC/DC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1260
TL8012-S2110TM (flat actuator)
110 VAC
3 N/C + 2 N/O
3 x M20 with NPT adapter
44519-1270
TL8012-S3024SM (90-degree actuator)
24 VAC/DC
4 N/C + 1 N/O
3 x M20 with NPT adapter
44519-1400
TL8012-S3110SM (90-degree actuator)
110 VAC
4 N/C + 1 N/O
3 x M20 with NPT adapter
44519-1410
TL8012-S3024FM (flex 1 actuator)
24 VAC/DC
4 N/C + 1 N/O
3 x M20 with NPT adapter
44519-1430
TL8012-S3110FM (flex 1 actuator)
110 VAC
4 N/C + 1 N/O
3 x M20 with NPT adapter
44519-1440
TL8012-S3024TM (flat actuator)
24 VAC/DC
4 N/C + 1 N/O
3 x M20 with NPT adapter
44519-1460
TL8012-S3110TM (flat actuator)
110 VAC
4 N/C + 1 N/O
3 x M20 with NPT adapter
44519-1470
POWer tO lOck
POWer tO UnlOck
6
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TL8012-S
Safety Interlock Switches
Ordering continued
Accessories and Spare Parts
Model
Part No.
Lockoff Actuator
Replacement 90-Deg Actuator
44512-0700
44519-0700
Replacement Flex 1 Actuator with Alignment Guide
44519-0710
Replacement Flat Actuator
44519-0720
TL8012-S Replacement Head
44519-0730
Spare TL8012-S Actuator Guide (Plastic)
44519-0740
Spare TL8012-S Actuator Guide (Stainless Steel)
44519-0750
Lid with Lock & Key (Use only with Power to Unlock)
44519-0760
Override Key, Molded Plastic
44530-0700
Spare M20 to NPT Adapter
44512-0110
M20 Cord Grip
44512-0090
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C384I-E-02
10/18
Note: Specifications are subject to change.
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