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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 type K1AV K1AT
function automatic
version normally closed normally 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 cycles 10,000
temperature range TA ( steps in 5 K ) 200ºC – 450ºC
tolerances ±5%
feature of automatic action 1.B
contact resistance <50 mΩ
hysteresis 100K ± 20K
degrees of protection provided by
enclosures ( EN 60529 )
IP00
suitable for use in protection class I
approval VDE EN 60730-1 / -2-9
* UL version available upon request for normally open

Standard Types

type nc no illustration drawing
dimensions (mm)
technical
description
approval 1) 2)
K1A V T cover micanite
housing ceramic
bottom plate steel
VDE

Terminals

type illustration drawing
dimensions (mm)
technical
description
approval 1) 2)
A160 welding terminals,
steel
VDE
A170 welding terminals,
steel
VDE
A180 welding 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
A168 lead L551, welded VDE
A178 lead L551, welded VDE
A188 lead L551, welded VDE

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

type illustration drawing
dimensions (mm)
technical
description
approval 1) 2)
B410 bottom plate,
steel
VDE
B412 bottom 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