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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 -20°C up to 260°C

R53

Applications

Houshold appliances, Electronics, Machinery

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Technical Data (R53)

ratings \ control type R53 R54 R55
CS-7S CS-17 B-2 CH-15 CH-152-35 CR71
function automoatic SOD automoatic SOD manual
version normally closed / normally open nc nc/no nc nc
VDE rated current at 250 Vac (cos 0,95) 10A 25A 25A/15A 15(10) 10 10(8)
switching cycles 100,000 100,000 1 100,000 1
temperature range Ta (steps in 5 K) -20°C…200 °C 60°C …150°C -20°C … 200°C 0°C … 220°C -20°C … 200 °C
UL rated current at 250 Vac (cos 0,95) * 15A/10A 25A/25A 25A 15/10 17A 15(10)
switching cycles 100,000 100,000 1 100,000 1
temperature range Ta ( steps in 5 K ) -20°C…200 °C 150°C 0°C … 200°C °C …250°C 0°C … 260°C 50°C … 200°C
tolerances  > +/- 3°C (+/- 5°C Typical)
contact resistance < 50 mΩ / >100 mΩ at 500V / 1500V for 1 minute
hysteresis / reset temperature (Rt) 20K ±5K (Rt) -35°C 20K ±5K (Rt) -35°C
degrees of protection provided by enclosures ( EN 60529 ) IPOO
suitable for use in protection class I, II
approval VDE/ENEC Cert# 40010923 EN 60730-1 / -2-9 / 1-A15 / 1-A16
UL / CUL UL 873 File E50367
CSA C22.2 No.24 File LR85323

* Additional ratings for CS-7 only:

12VDC 15A / 20,000 switching cyles (Not UL, CSA, VDE)
24VDC 10A / 20,000 switching cyles (Not UL, CSA, VDE)
9.5VDC 0.38A / 100,000 switching cyles (UL Approved, Pilot Duty Only)
12VDC 0.075A / 100,000 switching cyles (UL Approved, Pilot Duty Only)

For use as a guideline only.

Standard Types

type nc no code illustration drawing
dimensions (mm)
tech description approvals
R53
CD-7S, CD-17, B2
2 1 Term = Z1
Ring = D
Terminals 6.3 x 0.8, 4.8
x 0.5mm Sn or Ni plate,
Housing: Thermoset, Cap:
SS or Al, Loose Bracket,
Terminals Vertical (Z type)
UL, CSA, VDE
Term = Y1
Ring = D
Terminals 6.3 x 0.8, 4.8
x 0.5mm Sn or Ni plate,
Housing: Thermoset, Cap:
SS or Al, Loose Bracket,
Terminals Horizontal
(Y type)
R55
CD-71
2 Ring = D Terminals 6.3 x 0.8, 4.8
x 0.5mm Sn or Ni plate,
Housing: Thermoset, Cap:
SS or Al, Loose Bracket,
Terminals Horizontal
(Y type)
UL, CUL, VE
R53
CS-17
2 1 Ring = L Terminals 6.3 x 0.8, 4.8
x 0.5 mm Sn or Ni plate,
Housing: Thermoset, Cap:
SS, Welded Bracket,
Terminals Horizontal
(Y type)
R54
CH-15, CH-152-35
2 1 Ring = None
Term = Y7
Terminals 6.3 x 0.8,
Steel Ni plate, Housing:
Ceramic Thermoset, Cap:
Aluminum, Loose Bracket,
Terminals Horizontal
(Y type)

Mounting Rings

type code photo drawing
dimensions (mm)
tech description approvals
CS-7S, CS-17,B2, CR-71 Standard D 23.8mm mounting ring, loose or fixed at 45°, 90°, or 135°. UL, CSA, VDE
M 25mm mounting ring, loose or fixed at 45°, 90°, or 135°
E 30mm mounting ring, loose.
CS-7S, B2m CR-71, CS-17 L 41mm mounting bracket fixed at 45°, 90° or 135°. UL, CUL
CS-7S, B2, CR-71 Thru-Hole Mnt. = F Flange Cap mounting, Stainless Steel fixed at 45°, 90° or 135° UL, CUL, VE
Exposed Bimetal Thru Hole = FX Flange Cap mounting, w/exposed bimetal, Stainless Steel fixed at 45°, 90° or 135°

Terminals

code used in type photo drawing
dimensions (mm)
tech description approvals
Y1 [STD] Brass Faston Tin Plate .250

Y2 Brass Faston Tin Plate.187

Y3 Brass Faston Nickel Plate .250

Y4 Brass Faston Nickel Plate .187

Y5 Steel Faston Nickel Plate .250

Y6 Steel Nickel Solder Connection

Y7 Brass Nickel Solder Connection

CS-7,CR-71, B2

CS-7,CR-71,B2

CS-7,CR-71,B2

CS-7,CR-71,B2

CS-7,CR-71, B2, CH-15

CS-7,CR-71, B2, CH-15

CS-7,CR-71, B2

Horizontal Fastons

6.3mm x 0.8mm

4.8mm x 0.8mm

UL, CSA, VDE
Z1 [STD] Brass Faston Tin Plate .250

Z2 Brass Faston Tin Plate.187

Z3 Brass Faston Nickel Plate .250

Z4 Brass Faston Nickel Plate .187

Z5 Steel Faston Nickel Plate .250

CS-7,CR-71, B2

CS-7,CR-71, B2

CS-7,CR-71, B2

CS-7,CR-71, B2

CH-15

Vertical Fastons

6.3mm x

0.8mm4.8mm

x 0.8mm

Caps

Cap in standard execution, material aluminium (code D)

Cap for fixed mounting stainless steel (code F)

Exposed bimetal cap (code FX)

Ordering & Marking Example

Cantherm Ordering Example [ CS710025Y ]
CS7 100 2 5 Y __ __
Model Response

Tepreature in †C

Contact Configuration
1=NO 2=NC
Tolerance
5 = +/- 5†C
Terminals
Y= .25” QC Horz.
Z=.25” QC Vert
Optional Terminals
Y1 & Z1 are standard
MountingBracket D is Std.
Marking
CS-7S R100U norm. closed response temperature
CS710025Y manufacture code
2250 date of manufacture