K-series

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High Temperature Bimetal Thermostats

Hi Temp Thermostats

K-series

Applications

Fuel oil burner, Welding / soldering equipment, Ironing machines, Electric cookers

Technical Data

rating \ control typeK1AVK1AT
functionautomatic
versionnormally closednormally open
rated current at 230 V 50 / 60 Hz ( cos φ 0,95 )10 A
rated current at 400 V 50 / 60 Hz ( cos φ 0,95 )6 A
switching cycles10,000
temperature range TA ( steps in 5 K )200ºC – 450ºC
tolerances±5%
feature of automatic action1.B
contact resistance<50 mΩ
hysteresis100K ± 20K
degrees of protection provided by
enclosures ( EN 60529 )
IP00
suitable for use in protection classI
approvalVDEEN 60730-1 / -2-9
* UL version available upon request for normally open

Standard Types

typencnoillustrationdrawing
dimensions (mm)
technical
description
approval 1) 2)
K1AVTcover micanite
housing ceramic
bottom plate steel
VDE

Terminals

typeillustrationdrawing
dimensions (mm)
technical
description
approval 1) 2)
A160welding terminals,
steel
VDE
A170welding terminals,
steel
VDE
A180welding terminals,
steel
VDE
A161 (0º)
A162 (90º)
terminals 6.3 x 0.8,
steel,
also available:
angle 90º Ta max 350°C
VDE
A171 (0º)
A172 (90º)
terminals 6.3 x 0.8,
steel,
also available:
angle 90º Ta max 350°C
VDE
A181 (0º)
A182 (90º)
terminals 6.3 x 0.8,
steel,
also available:
angle 90º Ta max 350°C
VDE
A163 (0º)
A164 (90º)
screw terminals,
steel,
also available:
angle 90º Ta max 350°C
VDE
A173 (0º)
A174(90º)
screw terminals,
steel,
also available:
angle 90º Ta max 350°C
VDE
A183 (0º)
A184 (90º)
screw terminals,
steel,
also available:
angle 90º Ta max 350°C
VDE
A168lead L551, weldedVDE
A178lead L551, weldedVDE
A188lead L551, weldedVDE

1) VDE approval is only valid for type K1AV 2) UL version available upon request for normally open

lead L551: UL style 5107, 600V, max. 450°C, insulation glass fibre-PTFE,
cross-section of conductor 1,3 mm2 (AWG16) , grey, stripped 10mm

Fixings

typeillustrationdrawing
dimensions (mm)
technical
description
approval 1) 2)
B410bottom plate,
steel
VDE
B412bottom plate with flange, steel
B413 (M4x6)

B414 (M5x6)

bottom plate with stud, steell

1) VDE approval is only valid for type K1AV 2) UL version available upon request for normally open

Ordering and Marking Example

Ordering example

Marking

K1AV 30015 type (normally closed)

response temp. (300ºC), tol. (+/- 15K)

XXXXXproduction number

K1AT –123type (normally open)
drawing number

XXXXX production number