ST21KHZQE

ST21KHZQE Datasheet


- gold over nickel plated brass contacts 0.4VA - 20V Max. - coin silver contacts 6A 125VAC, 3A 250VAC, 7A 30VDC<br>• Initial contact resistance 3 milliohms max. at 3VDC, Amp.<br>• Insulation resistance 2,000 min. between terminals &amp; case ground.<br>• Dielectric strength 2,000 VAC for 1 minute between terminals &amp; case ground.<br>• Electrical life 100,000 cycles at full load for ST1-1 and ST2-1, all other models 40,000 cycles

Part Datasheet
ST21KHZQE ST21KHZQE ST21KHZQE (pdf)
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PDF Datasheet Preview
ST series

Miniature toggle switches

Distinctive features and specifications

K Dry circuit through power ratings. K Ultra-rugged construction SPDT & DPDT models with
numerous options.

K PC and panel mount models.

ELECTRICAL SPECIFICATIONS
• Max. current/voltage rating with resistive load :
- gold over nickel plated brass contacts 0.4VA - 20V Max. - coin silver contacts 6A 125VAC, 3A 250VAC, 7A 30VDC
• Initial contact resistance 3 milliohms max. at 3VDC, Amp.
• Insulation resistance 2,000 min. between terminals & case ground.
• Dielectric strength 2,000 VAC for 1 minute between terminals & case ground.
• Electrical life 100,000 cycles at full load for ST1-1 and ST2-1, all other models 40,000 cycles

MATERIALS
• Case Diallyphthalate DAP , color blue
• Actuator Brass, bright nickel or chrome plated.
• Bushing nickel plated brass
• Strap stainless steel
• Contacts

B Gold Q Coin silver G Gold over silver
• Terminal seal epoxy

GENERAL SPECIFICATIONS
•Operating temperature -30°C to +85°C

AGENCY APPROVAL
Availability All models with coin silver contacts Q only. Marking To order switches marked UL use “UL” prefix for series designation. For CSA marking, complete appropriate box on ordering format.

APEM

ST series

Miniature toggle switches E

SERIES ST1- Single Pole UL1 S.P. UL Model ST2- Double Pole UL2 D.P. UL Model

Actuators K Standard F1 Flatted F3 Sm Flatted T4 Long round

Terminations

Z Solder lug C Printed circuit board V30 Straight w/bracket,
non-crimped V31 Straight w/bracket,
crimped

Sealing E Epoxy

Electrical Functions

Bushing

Contact Material
1 ON 2 ON 6 ON

NONE ON OFF ON L

M Standard 1/4” thd’d. H Splashproof 1/4” thd’d. Y Long 1/4” thd’d. M4 15/32” thd’d.

B Gold Q Coin Silver G Gold over Silver

L FUNCTION 6 DOUBLE POLE ONLY

Agency approval No approval /CSA Approval Q contact material only Note for UL, Select UL1 or UL2 series above

ABOUT THIS SERIES On the following pages, you will find successively - model structure of switches - options in the same order as in above chart Dimensions first dimensions are in mm while inches are shown as bracketed numbers.

Sealing boots are available to protect the switches against dust and water. They are presented in section H

Mounting accessories standard hardware supplied with all models with Ø 6,35 1/4 threaded bushing 2 - 5/16” hex nuts , 1 locking ring and 1 lockwasher. Standard and special hardware available are presented in section I. Packaging unit 25 pieces for double pole
50 pieces for single pole NOTICE please note that not all combinations of above numbers are available. Refer to the following pages for further information.

APEM

ST series

Miniature toggle switches

Terminations
• Solder lug or straight PC terminals
• Epoxy sealed terminals standard

Single pole panel mount with solder lug terminals Keyway
1/4 -40 UNS-2A

APEM

MODEL NO.

UL NO.

ST1-1KMZQE UL11KMZQE ST1-2KMZQE UL12KMZQE

ON - ON OFF ON
3I 2 II 25° 1 III

KEYWAY X

Double pole panel mount with solder lug terminals Keyway
1/4 -40 UNS-2A

MODEL NO. UL NO.

ST2-1KMZQE UL21KMZQE ST2-2KMZQE UL22KMZQE ST2-6KMZQE UL26KMZQE
Availability All models with coin silver contacts Q only. Marking To order switches marked UL use “UL” prefix for series designation. For CSA marking, complete appropriate box on ordering format.

APEM

ST series

Miniature rocker switches

SERIES ST1- Single pole UL1 S.P. UL model ST2- Double pole UL2 D.P. UL model

Sub-actuators L4 Specify without
bezel L5 Specify with bezel

Terminations

Z Solder lug C Printed circuit board V30 Straight w/bracket,
non-crimped V31 Straight w/bracket,
crimped

Sealing E Epoxy

Electrical functions

Sub-bushing

Contact material
1 ON NONE ON 2 ON OFF ON 6 ON L

L FUNCTION 6 DOUBLE POLE ONLY

S4 Specify without bezel S5 Specify with bezel

B Gold Q Coin Silver G Gold over Silver

Actuators J1 Rocker J2 Lever J3 Small rocker J4 Small lever

Bezel None J90 Snap-in J93 PC mount

Bezel Color None
2 Black

Actuator Color None
2 Black

Agency approval No approval /CSA Approval Q contact material only NOTE For UL, select UL1 or UL2 Series above

ABOUT THIS SERIES On the following pages, you will find successively - model structure of switches - options in the same order as in above chart Dimensions first dimensions are in mm while inches are shown as bracketed numbers.

Sealing boots are available to protect the switches against dust and water. They are presented in section H. Mounting accessories standard hardware supplied with all models with Ø 6,35 1/4 threaded bushing 2 - 5/16” hex nuts , 1 locking ring and 1 lockwasher. Standard and special hardware available are presented in section I. NOTICE please note that not all combinations of above numbers are available. Refer to the following pages for further information.

APEM

ST series

Miniature rocker switches

Solder lug terminals with snap-in bezel

MODEL NO.

SINGLE POLE

ST1-1L5S5ZQJ4J9022 ST1-2L5S5ZQJ4J9022

ON OFF ON

DOUBLE POLE

ST2-1L5S5ZQJ4J9022 ST2-2L5S5ZQJ4J9022 ST1-6L5S5ZQJ4J9022
1-2 1-2-3 4-5-6 5-6

ON OFF ON

Terminations
• Solder lug or straight PC terminals
• Epoxy sealed terminals standard
Availability All models with coin silver contacts Q only. Marking To order switches marked UL, complete appropriate box on ordering format.

APEM
300 & 400 series Miniature pushbutton switches E

SERIES
301 302 305 306 401 402

Bushing None T1 Standard 15/32” thd’d. see dwg - 301, 303 & 305 only .

Contact material B Gold Q Coin Silver

Bezel & Cap J81 Snap-in

Actuators

Terminations

Sealing

Standard S Long see dwg. - specify for
all models with bezels-not available for 306

Z Solder lug C Printed circuit board V-1 Right angle p.c.
terminals for 301, 302, 305, 401 & 402 only. see dwg

Epoxy

Bezel color 2 Black
8 White

Cap Color 2 Black
6 Red

Agency approval

No approval

UL Approval

Q contact material only

ABOUT THIS SERIES On the following pages, you will find successively - model structure of switches - options in the same order as in above chart Dimensions first dimensions are in mm while inches are shown as bracketed numbers.

NOTICE please note that not all combinations of above numbers are available. Refer to the following pages for further information.

APEM
300 & 400 series

Miniature pushbutton switches

Terminations
• Solder lug or straight PC terminals
• Epoxy sealed terminals standard

C Normally open with overtravel 301

Solder lug terminals
301ZQE

Normally Open
301ZBE

Normally Open

PC terminals
301CQE 301CBE

Normally Open Normally Open

Total travel Over travel Actuation force 8.5oz.

Normally open no overtravel 302
Availability All models with coin silver contacts Q only. Marking To order switches marked UL, complete appropriate box on ordering format.

APEM
800 series

Snap-action momentary pushbutton switches

SERIES 810 Single pole 820 Double

Bushing M Standard 1/4” threaded M1 Short 1/4” threaded

Contact material B Gold Q Coin Silver

Actuators

Termination

K Standard K1 Short

Z Solder lug C Printed circuit board

K2 Medium

A-1 Horizontal V30 Straight w/bracket

Bezel & cap

None J81 Snap-in

Bezel color None
2 Black

Cap color None
2 Black

Agency approval

No approval

B contact material only

UL Approval

Q contact material only

ABOUT THIS SERIES On the following pages, you will find successively - model structure of switches - options in the same order as in above chart Dimensions first dimensions are in mm while inches are shown as bracketed numbers.

Sealing boots are available to protect the switches against dust and water. They are presented in section H.

Mounting accessories standard hardware supplied with all models with Ø 6,35 1/4 threaded bushing 2 - 5/16” hex nuts , 1 locking ring and 1 lockwasher. Standard and special hardware available are presented in section I. Packaging unit 25 pieces for double pole
50 pieces for single pole NOTICE please note that not all combinations of above numbers are available. Refer to the following pages for further information.

APEM

Keyway

COMM NO NC

Solder lug terminals
810KMZ

Solder lug terminals
820KMZ

Horizontal right angle
810KSA-1

APEM
800 series

Snap-action momentary pushbutton switches

Terminations
• Solder lug or straight PC terminals
• Epoxy sealed terminals standard
More datasheets: IRM-2633 | IRM-2636 | IRM-2640 | ST21KMZBE | ST12KHZQE | ST12F3MCBE | ST11KHCQE | ST11F1MCQE | ST11KMZQE | ST11KMZBE


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Datasheet ID: ST21KHZQE 518211