Flush bezel projects only 2mm from front of panel. Removable contact blocks are
ideal for single board mounting.
Key Features
• Pushbuttons, illuminated pushbuttons, selector switches, and key
Switches & Pilot DevicesSignaling LightsRelays & SocketsTimersContactorsTerminal BlocksCircuit Breakers
selector switches with up to 3PDT contacts.
• Key selectors with keys that are difficult to duplicate. Seven
different key numbers to choose from.
• Pilot lights with round or square flat lenses.
• Solder / Tab or PC Board terminal.
• Black or metallic flush bezels available.
• Guard pushbuttons, illuminated or non-illuminated are available.
• Illuminated pushbuttons with bright, clear, ring, flush or extended lens.
• Choice of either gold-clad or silver contacts.
• Degree of protection: IP65 (from the front of the panel).
Applicable StandardsMarkFile No. or Organization
UL508
UL Recognition No.E55996
CSA 22.2 No.14CSA File No. LR 21451
TÜV Rheinland
EN60947-5-1
EU Low Voltage Directive
GB14048.5
Specifications
Operating Temperature–25 to +60°C (no freezing), Illuminated units: –25 to +55°C
Storage Temperature–30 to +80°C (no freezing)
Operating Humidity45 to 85% RH (no condensation)
Contact Resistance50 mW maximum (initial value)
Insulation Resistance100 MW minimum (500V DC megger)
Bet ween live part and ground: 2,000V AC, 1 min.
Dielectric
Strength
Switch
Bet ween terminals of different poles: 2,000V AC, 1 min.
Bet ween terminals of the same poles: 1,000V AC, 1 min.
Illumination Bet ween live part and ground: 2,000V AC, 1 min.
Vibration Resistance
Shock Resistance
Operating extremes/Damage limits:
5 to 55 Hz, amplitude 0.5mm
Operating extremes: 100 m/s
Damage limits: 1,000 m/s
2
2
Momentary: 2,000,000
Mechanical Life
(minimum operations)
Electrical Life
(minimum operations)
Maintained: 250,000
Selector switches: 250,000
Key selector switches: 250,000
Momentary: 50,000 / 100,000
Maintained: 50,000 / 100,000
Selector switches: 50,000 / 100,000
1
2
2
Key selector switches: 50,000 / 100,000
2
Degree of ProtectionIP65 (IEC 60529)
Terminal StyleSolder/tab terminal #110, PC board terminal
BezelBlack plastic or metallic
16g (illuminated puthbutton)
14g (pilot light)
15g (pushbutton)
Weight (approx.)
17g (selector switch)
29g (key switch)
17g (illuminated pushbutton with guard)
18g (push button with guard)
1. Switching frequency 1,800 operations/h.
2. Switching frequency 1,200 operations/h.
578
Contact Ratings
Gold Contact (switch base color: blue)
Rated Insulation Voltage250V
Rated Thermal Current3A
Rated Operating Voltage30V DC125V AC
Rated Operating Current (resistive load)0.1A0.1A
Contact MaterialGold-clad silver
Minimum applicable load (reference value): 5V AC/DC, 1 mA
Switches & Pilot DevicesSignaling LightsRelays & SocketsTimersContactorsTerminal BlocksCircuit Breakers
Part No.
Style
➀
Momentary
Black bezel
Maintained
Momentary
Metallic bezel
Maintained
Momentary
Guard Type
Maintained
Flush/Extended color code: A (amber), G (green), PW (pure white), R (red), S (blue), Y (yellow)
•
Ring-illuminated color code: PW (pure white), WA (amber), WG (green), WR (red), WS (blue)
•
Illuminated pushbuttons contain an LED unit. For details on LED units, see 580.
•
The guard opens 180 degrees spring-return.
•
Illuminated pushbuttons can be used with legend markings. Engraving can be done on a marking plate which is placed in the lens, or a clear film can be
•
printed and placed in the lens. See 594 for details on the marking plate and film.
White lens type (when light is off) are available. Clear lens is used instead of colored lens for amber, green, red, and blue illuminated pushbuttons.
•
Amber, green, red, or blue LED units are used. To specify, see Part Number Interpretation below.
PC board terminals available for gold contacts. Silver contacts also available. To specify, see Part Number Interpretation below.
•
Extended style is available. See Part Number Interpretation below (➂).
•
Flush ring-illuminated style is available. See Part Number Interpretation below (➂). Guard is not available with flush ring-illuminated style.
•
5V DC and 12V AC/DC LED operating voltages also available.
•
Marking plates are available. See accessory section.
Switches & Pilot DevicesSignaling LightsRelays & SocketsTimersContactorsTerminal BlocksCircuit Breakers
27
27
Extended
3.85
6.95
LOCK
15.8
17.8
0.8W × 0.5t2.8W × 0.5t
1
55
5.5
Terminal Arrangement (Bottom View)
Terminal (+)
Lamp
Terminal (−)
(SPDT contacts on the right only)
TOP
22
24
21
12
X1
14
X2
11
2
6.953.85
1
66
∗
0.5 to 3.2 mm
Locking Ring
Mounting
Bracket
Gasket
16.4
26
Round
ø26
ø20.2
4.67
227.9
1811302120
For details on pc board and circuit design, see 594.
•
For details on single board mounting, see 593.
•
581
ø22mm - LBW Series
LBW➀P-1T0
∗
LBW➀P-1T0
∗
Part No.
Switches & Pilot DevicesSignaling LightsRelays & SocketsTimersContactorsTerminal BlocksCircuit Breakers
Switches & Pilot Devices
Pilot Lights
➁➂
Round / Black BezelSquare / Black BezelRound / Metallic BezelSquare / Metallic Bezel
Style
➀
Black Bezel24V AC/DC
Metallic Bezel24V AC/DC
Pilot lights contain an LED unit. For maintenance LED units see 583.
•
Legends and symbols can be engraved on a marking plate or film to be inserted under the lens by users for labelling purposes. See 596 for details.
•
White lens type (when light is off) are available. Clear lens is used instead of colored lens for amber, green, red, and blue pilot lights. Amber, green, red, or blue
•
LED units are used. To specify, see Part Number Interpretation below.
PC board terminals available. To specify, see Part Number Interpretation below.
•
5V DC and 12V AC/DC LED operating voltages also available.
•
LED Operating VoltagePart No.* Illumination Color Code
➂
LBW➀P-1T04*
LBW➀P-1T04*
Specify the color code in place of * in the Part No.
A: amber
G: green
PW: pure white
R: red
S: blue
Y: yellow