ST Toggles - NKK Switches

Series ST
Switches for Extreme Environments
General Specifications
• Switch equivalent to military specifications
• Conforms to IP68 of IEC60529 standards
• Explosion proof and hermetically sealed, no ingress of air or gases
• Operating temperature range –63°C ~ +71°C (–81.4°F ~ +159.8°F)
• Available in single or double pole:
Single pole up to 10A @ 125V AC - Resistive load;
Double pole up to 20A @ 125V AC - Resistive load
Lamp Load
Part Number
Pole & Throw
Circuit
ST40AM110
SPST
ON-OFF
ST40DM110
SPDT
ON-NONE-ON
DC
AC
30V
7A
7A
Resistive Load
DC
AC
125V
30V
3A
25A
3A
25A
AC
125V
30V
125V
10A
15A
10A
10A
15A
10A
ST40EM110
SPDT
ON-OFF-ON
7A
3A
25A
10A
15A
10A
ST50AM220
DPST
ON-OFF
7A
4A
20A
20A
15A
15A
ST50DM220
DPDT
ON-NONE-ON
7A
4A
20A
20A
15A
15A
ST50EM220
DPDT
ON-OFF-ON
7A
4A
20A
20A
15A
15A
Test Criteria
Test Summary
Anti-explosion
Operable in explosive environment to 12.04kPa maximum
Sand dust proof
100 mesh; flux 8.89 ±1.27m/s; density 10.7g/m3; duration
6 hours and 2,500 operations
Hermetically sealed toggle
Minimum 13mm below water surface, immersion for 5 minutes,
operated 5 times during immersion
Contact resistance
10 milliohms maximum @ 2 ~ 4V 1A DC
Insulating resistance
Dielectric strength
Terminal strength
100 megohms maximum @ 500V DC
Normal pressure
1,000V AC for 1 minute
Reduced pressure
8.0kPa AC
Screw terminal
133.0N Torque: 0.7Nm for 10 seconds
Nominal operating force
Mounting torque
113.0N for 60 seconds
Nut
2.0Nm
Mechanical life
40,000 times: 20,000 times at –63°C; 20,000 times at +71°C
Overload
Electrical Life
50 operations with 150% of rated current
Normal temperature, normal pressure
20,000 operations with rated current
High temperature, normal pressure
20,000 operations with rated current @ +71°C
Normal temperature, reduced pressure
20,000 operations with rated current, 8.0kPa
Temperature rise
50°C maximum
Vibration
10 ~ 500Hz with peak-to-peak amplitude of 1.5mm (98m/s2);
3 directions for 3 hours each, 9 hours total
Shock
735m/s2; 6ms; 6 directions, 3 times each, 18 times total
Thermal shock
–55°C (–67°F) ~ +85C (+185°F); 5 cycles
Operating temperature range
Humidity
–63°C (–81.4°F) ~ +71°C (+159.8°F)
Temperature humidity cycle
10 cycles polarization 100V DC
+35°C (+95°F) brine density 5%; 100mA 6V DC @ 96 hours;
10 operations with resistive load current
Brine spray
ST series switches are not a standard inventory item.
1
Inductive Load
DC
www.nkk.com
Custom
Switch
Custom
Switch
Switch
IM
IM INRACustom
For
Extreme
Environments
Y
L
L
E
E MA
Series STY
Switches for Extreme Environments
Y
R
R For
A
A
IN
IN
RY Extreme Environments
TYPICAL SWITCH DIMENSIONS
PR EILMI IN
PRR
EL
P
For Extreme Environments
PR
Single Pole
M12 P1
M12 P1
YIN
R
AIM
NL
I
E
M
LIR
EP
R
P
M3.5x5
M12 P1
Y
R
A
1
2
Single Pole
(30.0)Max
34°
M3.5x5
Single Pole
(6.0) Dia
.236
34°
Single Pole
(6.0) Dia
.236
(18.0)Max
.709
Double Pole
(18.0)Max (18.0)Max
.709
.709
(30.0)Max
1.181
1
2
3
2
34°
Keyway
(6.0) Dia
.236
Keyway
(12.0)
.472
(17.0)
.669
(17.0)
(12.0)
.472
.669
M12 P1
(17.0)
.669
(30.0)Max
(30.0)Max
1.181
3
3
Keyway
(28.0)Max
1.102
(28.0)Max
(12.0)
.4721.102
M12 P1
M12 P1
1.181
(28.0)Max
1.102
M3.5x5
M3.5x5
30°
Double Pole
Double Pole
4
M3.5x5
2
1
5
4
2
(6.0) Dia
.236
30°
Keyway
(34.0)Max
11.339
(6.0) Dia
.236
(20.0)Max
.787
STANDARD HARDWARE:
(20.0)Max
Hex Face Nuts - 2
.787
Locking Ring - 1
Lockwasher - 1
Standard Hardware
and Panel Cutout
for all switches
Standard Hardware
and Panel Cutout
for all switches
Standard
Hardware
Keyway
(12.0)
.472
(17.0)
(6.0).669
Dia
.236
(12.0)
.472
(17.0)
.669
PANEL CUTOUT:
(17.0)
Maximum Panel.669
Thickness
3.0mm (.118")
5
3
6
3
6
2
5
(34.0)Max
1.339
(32.0)Max
1.260
Keyway
3
(32.0)Max
1.260
(12.0)
.472
(32.0)Max
1.260
(12.5) Dia
STANDARD HARDWARE,
.492 PANEL CUTOUT & THICKNESS
STANDARD HARDWARE:
PANEL CUTOUT:
Maximum Panel Thickness
Hex Face Nuts - 2
3.0mm (.118")
Locking Ring - 1
(9.0)
STANDARD
HARDWARE:
Lockwasher
-1
.354 CUTOUT:
PANEL
(12.5) Dia
Maximum
Panel Thickness
.492
Hex Face Nuts - 2
3.0mm (.118")
(3.0) Dia
Locking Ring - 1
.118
Lockwasher - 1
(9.0)
.354
and Panel Cutout
for all switches
(3.0) Dia
.118
(12.5) Dia
.492
(9.0)
.354
(3.0) Dia
.118
www.nkkswitches.com
11/10/08ST series switches are not a standard inventory item.
11/10/08
4
(34.0)Max
1.339
30°
(20.0)Max
.787
2
(30.0)Max
1.181
(30.0)Max
1.181
1
Double Pole
11.181
M3.5x5
www.nkk.com
www.nkkswitches.com
7850 East Gelding Drive • Scottsdale, AZ 85260
Phone 480-991-0942 • Fax 480-998-1435
7850 East Gelding Drive • Scottsdale, AZ 85260
Phone 480-991-0942 • Fax 480-998-1435
6