HK253-78 datasheet, PDF - EEWORLD Datasheet

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HK253-78: DescriptionToggle Switch, 3PST, On-off, Maintained, Quick Connect Terminal, Toggle Bat Actuator, Panel Mount; CategoryMechanical and electronic products switch; File Size61KB，1 Pages; ManufacturerCarling Technologies

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HK253-78 Overview

Toggle Switch, 3PST, On-off, Maintained, Quick Connect Terminal, Toggle Bat Actuator, Panel Mount

HK253-78 Parametric

Parameter Name	Attribute value
Maker	Carling Technologies
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	4 weeks
Actuator length	0.687 inch
Actuator type	TOGGLE BAT
body width	27.6352 mm
body height	20.3962 mm
Body length or diameter	33.2232 mm
Nozzle length	0.465 inch
Casing type	15/32-32
Contact (AC) maximum rated power R load	0.75HP@250VAC
Contact (AC) maximum rated R load	10A@250VAC
Maximum contact current (AC)	10 A
Contact function	ON-OFF
Maximum contact voltage (AC)	250 V
Dielectric withstand voltage	1000V V
Electrical life	50000 Cycle(s)
Insulation resistance	100000000 Ω
insulator material	PHENOLIC
Manufacturer's serial number	H
Installation features	PANEL MOUNT
Maximum operating temperature	85 °C
Minimum operating temperature
surface mount	NO
Switch action	MAINTAINED
switch function	3PST
Switch type	TOGGLE SWITCH
Terminal length	0.394 inch
Termination type	QUICK CONNECT

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Toggle Switches

H-Series

The H-Series toggle switches are heavy-

duty, high voltage, high amperage, three-

pole switches. These switches have a

slow-make,

slow-break

contact

mechanism, are AC rated to 600V, and

are available in a wide range of ratings,

circuits, terminations and bushing/toggle

configurations.

Specifications

•Certifications*: UL, CSA,

•Dielectric Strength: 1,000 V (minimum)

•Insulation Resistance: 100 Megohms

(minimum)

•Base Material: Phenolic

•Actuator Material: Brass/Nickel Plate

or Polycarbonate

•Bushing Material: Brass/Nickel Plate

* Due to ongoing technological advances, consult factory for

certification specifics.

Dimensional Specifications: in. [mm]

15/32-32UNS-2A

THREAD

.687[17.44]

.465[11.81]

KEYWAY

.072[1.82]

.038[.965] DP

.125[3.18] DIA

.075[1.91] DIA

.055[1.40] DIA

.330[8.38]

.187[4.74]

SOLDER LUG

.437[11.09]

.394[10.00]

.250[6.35]

.250 TAB (Q.C.)

.187[4.74]

.187 TAB (Q.C.)

.803[20.40]

3-POLE

#6-32NC-2

THREAD

TERMINAL TYPE

6.000[152.40]

.141[3.58]

.187[4.75]

.350[8.89]

WIRE LEAD

.062[1.57]

.500[12.70] DIA

.125[3.17] DIA

WITH LOCKING RING

PRINTED

CIRCUIT

.376[9.55]

.187[4.75]

.422[10.72]

1.308[33.22]

1.088[27.64]

KEYWAY

.072[1.82]

.038[.965] DP

NYLON

TOGGLE

4-POLE BASE

1.436[36.47]

.370[9.39]

.465[11.81]

.500[12.70]

.286[7.26]

SCREW

(ASSEMBLED)

.500[12.70] DIA

.687[17.44]

.803[20.40]

1.308[33.22]

.422[10.72]

.038[9.65]

MOUNTING HOLE

WITH KEYWAY

SERIES

THREE POLE

TOGGLE

CIRCUIT

ON-NONE-OFF

ON-NONE-ON

ON-OFF-ON

.187

TAB

(QC)

SCREW

TERM.

WIRE

LEAD

TERM.

TERMINATION/FUNCTION

.250

SOLDER TAB

FUNCTION

LUG

(QC)

ON-NONE-OFF

(ON)-NONE-OFF

ON-NONE-(OFF)

ON-NONE-ON

ON-NONE-(ON)

ON-OFF-ON

ON-OFF-(ON)

(ON)-OFF-(ON)

RATING

A27

6A 600VAC

12A 250VAC

17A 125VAC

1HP 125VAC

1, 2 OR 3 PHASE

1 1/2HP 250VAC

1, 2 OR 3 PHASE

2HP 480-600VAC;

3 PHASE

10A 250VAC

15A 125VAC

3/4HP 125-250VAC

1, 2 OR 3 PHASE

3A 250VAC

6A 125VAC

1/4HP 125-250VAC

1, 2 OR 3 PHASE

12A 250VAC

17A 125VAC

1 1/2HP 250VAC

1, 2 OR 3 PHASE

5A 250VAC

8A 125VAC

1/2HP 125-250VAC

1, 2 OR 3 PHASE

TOGGLE STYLE

TOGGLE

LENGTH

.687

1.25

BUSHING

LENGTH

.465

.343

SUFFIX

NO.

NEOPRENE

SEAL

---

BAT

NOTES:

Shading indicates standard configurations.

For bushing accessories, see pages 69 and 70.

Consult factory for additional circuits.

Nylon toggles are available with 4-pole base only.

NBL toggle uses black oxide plated metal bushing for standard construction. NWH toggle uses nickel plated

metal bushing for standard construction.

NYLON .687

.687

.465

NBL3

NWH3

NBL8

NWH8

Carlingswitch,Inc. (860) 793-9281• Carlingswitch, LTD. Int + 44 1392-364422 • Carlingswitch Asia-Pacific, LTD. Int + 852-2737-2277

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