R27, R28, R29

Home>R27, R28, R29
Home > Products > R27, R28, R29
image

Temperature Regulators / Temperature Limiters

1/2” Disc Bimetal Cut-outs/Thermostats

– Up to 100,000 cycles

– Various terminals on-hand

– Small tolerances and hysteresis available

– Response temperatures from 0°C up to 260°C

R27, R28, R29

Applications

Houshold appliances, Electronics, Machinery

Technical Data (R27 R28 R29)

ratings \ control typeR28R27R29
11EN03EN52N60EN1)05EN15N23EN
functionautomoaticmanual
versionnormally closed / normally opennormally closed
VDErated current at 250 Vac (cos 0,95)16 A10 A10 A10 A16 A16 A16 A
switching cycles10,000100,000100,000100,0006,0006,0003,000
temperature range Ta (steps in 5 K)0 °C … 150 °C0 °C … 150 °C0 °C … 230°C2)0 °C … 150 °C0 °C … 150 °C0 °C … 250°C0 °C … 150 °C
ULrated current at 250 Vac (cos 0,95)15A/10A15A/10A15A/10A15A/10A16A/16A15A/10A
switching cycles100,000100,000100,0006,0006,0006,000
temperature range Ta ( steps in 5 K )0 °C … 150 °C0 °C … 150 °C0 °C … 230 °C0 °C … 150 °C0 °C … 250 °C0 °C … 150 °C
tolerances  TA <100°C: ± 3 K / TA >100°C: ± 4 K / TA >140°C: ± 5 K
contact resistance    < 30 mΩ
hysteresis / reset temperature  TA <100°C: 10 K ± 4 K / TA >100°C: 15 K ± 5 K / TA >140°C: 20 K ± 5 Kcustomer-specific
degrees of protection provided by enclosures ( EN 60529 )IPOO (R28 60EN IP54)
suitable for use in protection classI, II
approvalVDE/ENECEN versions have VDE approvals: EN 60730-1 / -2-9 plus UL/CSA listings
ULN versions have UL and CSA listing: UL 873
CSAN versions have UL and CSA listing: C22.2 No. 24 3)
1) not approved
2) type R28 55H up to 260°C
3) different approved ratings

Standard Types

typencnocodeillustrationdrawing
dimensions (mm)
tech descriptionapprovals
R28 11EN1311EN=Plastic
10EN=ceramicdielectric strength
2,000 Vac
terminals 6.3 x 0.8
housing thermosetting plastic 9mm, moving bracket, small
cap aluminum
VDE, UL, CSA
R28 03EN13standard

dielectric strength
2,000 Vac

terminals 6.3 x 0.8,
housing thermosetting
plastic 12mm,
moving bracket small,
cap aluminium
VDE, UL, CSA
R28 52N13plastic<170†C or
ceramic>170†Cdielectric strength 2,000 Vac
terminals 6.3 x 0.8,
housing ceramic 12mm,
moving bracket small,
cap aluminium
VDE, UL, CSA
R27 05EN1manual

dielectric strength 1,800 Vac

terminals 6.3 x 0.8,
housing thermosetting plastic, moving bracket small,
cap aluminium,
reset pin
VDE, UL, CSA
R27 15N1manual

dielectric strength 1,800 Vac

terminals 6.3 x 0.8,
housing ceramic,
moving bracket small,
cap aluminium,
reset pin ceramic
VDE, UL, CSA
R29 23EN1manual

dielectric strength 2,000 Vac

terminals 6.3 x 0.8,
housing thermosetting plastic,
moving bracket small,
cap aluminium,
reset pin
VDE, UL, cUL
R28 60EN13tight against humidity
dielectric strength
1,800 Vac
lead wire 1.25mm2,
housing thermosetting plastic,
fix bracket,
cap aluminium,
degree of protection IP54
VDE

Brackets

codeused in typeillustrationdrawing
dimensions (mm)
tech descriptionapprovals
4R27, R28, R29aluminum loose bracket,

small

use with T cap

VDE, UL, CSA
3R27, R28, R29stainless steel loose

bracket

use with V cap

VDE, UL, CSA
SR27, R28, R29stud of

M5 x 6 brass,SW17

(S5 shown, other

variations available)

VDE, UL, CSA
B (+ angle)R27, R28, R29fix bracket

possible angles:

0 / 45 / 90 / 135 deg

VDE, UL, CSA

Terminals

codeused in typeillustrationdrawing
dimensions (mm)
tech descriptionapprovals
brass: 03 (0°)

brass: 09 (45°)

brass: 04 (90°)

steel: 93 (0°)

steel: 94 (90°)

R27, R28, R29terminals 6.3 x 0.8

brass nickel plated

up to TA max.

150°C >150°C

steel nickel plated

also available:

angle 45 / 90 deg

VDE, UL, CSA
brass: 05 (0°)

brass: 10 (45°)

brass: 06 (90°) steel: 95 (0°)

steel: 96 (90°)

R27, R28, R29terminals 4.8 x 0.5

brass nickel plated

up to TA max.

150°C >150°C steel

nickel plated also

available:

angle 45 / 90 deg

VDE, UL, CSA
00R27, R28solder terminalsVDE, UL, CSA
SAR27, R28PCB terminals

solder terminals

VDE, UL, CSA
41 (0°)

42 (90°)

R27, R28, R29solder terminals,

nickel plated, also

available: angle 90 deg

VDE, UL, CSA
brass: 45 (0°) brass: 46 (90°)R27, R28, R29terminals 4.8 x 0.8

brass nickel plated

up to TA max.

150°C also available:

angle 90 deg

VDE, UL, CSA

Caps

Standard cap, material aluminium (code T)

Use with bracket #4

Stainless steel cap (code V) for large loose bracket #3 or fixed bracket B +angle

Deviations from standard controls (caps, terminals, fixings) on request.

Especially for electronic applications with voltage 6…120 Vac / 6…30 Vdc and current 10…100 mA, there are switches with crossbar- contacts available. (code P)

Controls as single operation device (SOD) up to 150°C and reset temperature -35°C are available (type 81ES).

Ordering & Marking Example

Cantherm Ordering Example [ R2803EN15T03450+/-340+/-4 ]
R2803EN15T03450+/-340+/-4
typebase typeEuropean versiontype of contact (N normal contact / P low current)contact execution (1 normally closed / 3 normally open)housing plastic 1=UL/CSA; 5=UL/CSA/VDE (Use w/ E) 2=ceramiccap codeterminal codefixing coderesponse temperaturereset temperature
Marking
A100 norm. closed (B norm. open) response temperature
03EN XXXX type manufacture code
XXXX date of manufacture