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Back to Bimetal Cutouts |
Temperature
Regulators / Temperature Limiters
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R27, R28, R29
-
Up to 100,000 cycles
- Various terminals on-hand
- Small tolerances and hysteresis available
-
Response temperatures from 0°C up
to 260°C
|
| Applications
Houshold appliances,
Electronics, Machinery |
| >
Technical Data (R27 R28
R29) |
| ratings
\ control type |
R28 |
R27 |
R29 |
| 11EN |
03EN |
52N |
60EN1) |
05EN |
15N |
23EN |
| function |
automoatic |
manual
|
| version |
normally
closed / normally open |
normally
closed |
VDE |
rated
current at 250 Vac (cos 0,95) |
16
A |
10
A |
10
A |
10
A |
16
A |
16
A |
16
A |
| switching
cycles |
10,000 |
100,000 |
100,000 |
100,000 |
6,000 |
6,000 |
3,000
|
| temperature
range Ta (steps in 5 K) |
0
°C ... 150 °C |
0
°C ... 150 °C |
0
°C ... 230°C2) |
0
°C ... 150 °C |
0
°C ... 150 °C |
0
°C ... 250°C |
0
°C ... 150 °C |
UL |
rated
current at 250 Vac (cos 0,95) |
15A/10A
|
15A/10A
|
15A/10A
|
- |
15A/10A
|
16A/16A
|
15A/10A
|
| switching
cycles |
100,000 |
100,000 |
100,000 |
- |
6,000 |
6,000 |
6,000 |
| temperature
range Ta ( steps in 5 K ) |
0
°C ... 150 °C |
0
°C ... 150 °C |
0
°C ... 230°C |
- |
0
°C ... 150 °C |
0
°C ... 250 °C |
0
°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 K |
customer-specific |
| degrees
of protection provided by enclosures ( EN 60529 ) |
IPOO
(R28 60EN IP54) |
| suitable
for use in protection class |
I,
II |
| approval |
VDE/ENEC |
EN
versions have VDE approvals: EN 60730-1 / -2-9 plus
UL/CSA listings |
| UL |
N
versions have UL and CSA listing: UL 873 |
| CSA |
N
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 |
| type |
nc |
no |
code |
illustration |
drawing
dimensions (mm) |
tech
description |
approvals |
R28
11EN |
1 |
3 |
11EN=Plastic
10EN=ceramic
dielectric strength
2,000 Vac |
 |
 |
terminals
6.3 x 0.8
housing thermosetting plastic 9mm, moving bracket,
small
cap aluminum |
VDE,
UL, CSA |
R28
03EN |
1 |
3 |
standard
dielectric strength
2,000 Vac |
 |
 |
terminals
6.3 x 0.8,
housing thermosetting
plastic 12mm,
moving bracket small,
cap aluminium |
VDE,
UL, CSA |
R28
52N |
1 |
3 |
plastic<170†C
or
ceramic>170†C
dielectric strength 2,000 Vac |
 |
 |
terminals
6.3 x 0.8,
housing ceramic 12mm,
moving bracket small,
cap aluminium |
VDE,
UL, CSA |
| R27
05EN |
1 |
|
manual
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
15N |
1 |
|
manual
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
23EN |
1 |
|
manual
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
60EN |
1 |
3 |
tight
against humidity
dielectric strength
1,800 Vac |
 |
 |
lead
wire 1.25mm2,
housing thermosetting plastic,
fix bracket,
cap aluminium,
degree of protection IP54 |
VDE |
| >
Brackets |
| Code |
used
in type |
illustration |
drawing
dimensions (mm) |
tech
specification |
approvals |
4 |
R27,
R28, R29 |
 |
 |
aluminum
loose bracket, small
use with T cap |
VDE,
UL, CSA |
3 |
R27,
R28, R29 |
 |
 |
stainless
steel loose bracket
use with V cap
|
VDE,
UL, CSA |
S |
R27,
R28, R29 |
 |
 |
stud
of
M5 x 6 brass, SW17
(S5 shown, other variations
available) |
VDE,
UL, CSA |
|
B
(+ angle) |
R27,
R28, R29 |
 |
 |
fix
bracket
possible angles:
0 / 45 / 90 / 135 deg |
VDE,
UL, CSA |
| >
Terminals |
| Code |
used
in type |
illustration |
drawing
dimensions (mm) |
tech
specification |
approvals |
brass:
03 (0°)
brass: 09 (45°)
brass: 04 (90°)
steel: 93 (0°)
steel: 94 (90°) |
R27,
R28, R29 |
 |
 |
terminals
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, R29 |
 |
 |
terminals
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 |
00 |
R27,
R28 |
 |
 |
solder
terminals |
VDE,
UL,
CSA |
| SA |
R27,
R28 |
 |
 |
PCB
terminals
solder terminals |
VDE,
UL,
CSA |
41
(0°)
42 (90°) |
R27,
R28, R29 |
 |
 |
solder
terminals,
nickel plated,
also available: angle 90 deg |
VDE,
UL,
CSA |
|
brass:
45 (0°)
brass: 46 (90°) |
R27,
R28, R29 |
 |
 |
terminals
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
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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
] |
| R28 |
03 |
E |
N |
1 |
5 |
T |
03 |
4 |
50+/-3 |
40+/-4 |
| type |
base
type |
European
version |
type
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=ceramic |
cap
code |
terminal
code |
fixing
code |
response
temperature |
reset
temperature |
| Marking |
A100
norm. closed (B norm. open) response
temperature
03EN XXXX type manufacture code
XXXX date of manufacture |
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