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LPS Series POWR-SWITCH
STANDARD FEATURES
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600V 3-pole fuse power switch 200,000 RMS interrupting rating Shunt trip 120V Control power terminal block Ground lug per NEC Class J fuse block NEMA 1 enclosures
NEW
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OPTIONAL FEATURES
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Control power transformer with fuses and blocks Fire safety interface relay Key to test switch Pilot light "On" Isolated neutral lug Mechanical interlock auxilliary contact for hydraulic elevators with automatic recall (5 amp 120 VAC rated) Fire alarm voltage monitoring relay NEMA 3R, 4, and 12 enclosures
The Littelfuse POWR-Switch provides a simple and economical solution for applications that require selective coordination and shunt trip capabilities. Common applications include elevator circuits, data processing rooms, and building emergency systems. By utilizing Class J time delay fuses, the POWR-Switch is easily coordinated with other system overcurrent devices. The shunt trip capability allows the POWR-Switch to meet the ANSI/ASME standard that requires power to be automatically disconnected before water is turned on by the fire safety system. The POWR-Switch also features pre-wired control circuits that can help reduce installation costs.
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BENEFITS
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Optional features offer flexibility for a variety of applications UL Listed package Lower installation costs than systems with many separate components Pre-wired control circuits lower installation time Lockable Operating handle meets all code and safety requirements No confusion over which building trade is supplying the components POWR-Switch is a single unit...which makes procurement easier than systems with multiple components
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LPS Series POWR-SWITCH
ORDERING INFORMATION
Complete catalog numbers consist of switch catalog numbers and the desired options. See example below. Example Catalog Number: LPS T8 R1 K N1 U = Littelfuse Catalog Number LPS1T48R1KN1U
Littelfuse Switch Catalog Number
Control Power Transformer Std. 100VA with PRI & SEC Fuse (120V Sec.)
Option
Fire Safety Interface Relay (3PDT, 10amp, 120V)
Key to Test Switch
Pilot Light "ON"
Isolated Neutral Lug
Mechanical Interlock Auxilliary Contact forHydraulic Elevators w/ Automatic Recall (5 amp 120 VAC rated)
Option Rating 1 NO & 1 NC 2 NO & 2 NC Code A B
Fire Alarm Voltage Monitoring Relay (Tp Monitor Shunt Trip Voltage)
Option Rating Single Pole Three Pole Code F1 F3
Optional Enclosures
Catalog No LPS3 LPS6 LPS1 LPS2 LPS4 Rating 30A 60A 100A 200A 400A Rating 208V 240V 480V 600V
Option Rating 24 VDC Coil 120 VAC Coil Code R2 R1 Rating 120V
Option Code K Rating Red Green White
Option Code R G W Rating 30-60A 100A 200A 400A
Option Code N6 N1 N2 N4
Option Rating NEMA 3R NEMA 4 NEMA 12 Code U Y Z
Code T20 T24 T48 T60
Note: Desired options must appear in the order shown above. Typical options include Control Power Transformer, Fire Safety Interface Relay, Mechanical Interlock Auxiliary Contact and Fire Alarm Voltage Monitoring Relay.
SPECIFICATIONS
Approvals: UL Listed and CSA Certified Rating: 30A, 60A, 100A, 200A, 400A Shunt Trip Ratings:
Amp Rating 30-400 Voltage Rating 120V, 60Hz Max Inrush 4A Max Ontime 1.5 cycles Momentary Inrush 140VA
ENCLOSURE DIMENSIONS
Catalog Series LPS3 LPS6 LPS1 LPS2 LPS4 Amp Rating 30 60 100 200 400 NEMA 1 Dimensions 24"H x 20"W x 9"D 24"H x 20"W x 9"D 24"H x 20"W x 9"D 30"H x 20"W x 9"D 48"H x 36"W x 12"D NEMA 3R Dimensions 24"H* x 20"W x 8"D 24"H* x 20"W x 8"D 24"H* x 20"W x 8"D 30"H* x 20"W x 8"D Contact Factory NEMA 4, 12 Dimensions 24"H x 20"W x 10"D 24"H x 20"W x 10"D 24"H x 20"W x 10"D 24"H x 20"W x 10"D Contact Factory Lug Size #14 - #8 AL or CU #14 - #8 AL or CU #8 - 1/0 AL or CU #6 - 250kcmil AL or CU Contact Factory
Note: Over-size enclosures used to accomodate control power transformer, interface relay and terminal blocks. *For NEMA 3R enclosures add 2 inches to height for mounting tabs.
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