Temperature limiter,
for temperature monitoring, can be used as winding protection in electric motors or transformers and as a protective device in a variety of electrical appliances
Compact and robust switch head
Contact form: single pole, open on temperature rise, snap action
Rated load
10 A 250 VAC (resistive load)
6,3 A 250 VAC (inductive load)
40 A 24 VDC (resistive load)
Insulated version of the electrical alive metal housing
with insulation cap, sleeve or insulation of the switch head with epoxy resin
Calibration temperature selectable from +60°C to +200°C, switching temperature pre-set at the factory,
calibration tolerance: ±5 K (standard), differential: approx. 70% the selected calibration OFF temperature
Maximum switch head temperature +200°C
Low self-heating, as the bimetallic sensor element is not carrying current
Lead wires:
insulated stranded wire in accordance to UL,
customized,
standard conductor cross-section AWG 18 (approx. 1.0 mm²),
insulation FEP (200°C, 300 V), PFA (250°C, 600 V), silicone (200°C, 600 V) or XLPE (150°C, 300 V)
Approvals: VDE, UL, cUL
ST01H Series
Temperature limiter, with electrical self-holding contact, excellent for motor and winding protection, and a large variety of appliances
Contact form: Single pole, single throw; open on temperature rise
Snap action device; quick break/quick make switching action
Rated load:
6,3 A 250 VAC 1.000 cycles
Calibration OFF temperature selectable
from +60°C to +180°C in increments of 5°C
Factory preset fixed calibration temperature
Calibration tolerance: ±5 K
Maximum sensor head temperature of +180°C
Low current sensitivity, the bimetallic element does not carry the circuit current
Termination: Lead wire, stranded wire, cross–section0.2mm²(AWG24),0.3mm²(22AWG)or0.6mm²(20AWG), XLPE,silicone,FEPorPFAinsulationupto250°Cor600Vnominalvoltage
Approvals: VDE, UL, C-UL
J-2 Series
Thermal cut-out (SOD)
A snap action thermostat that functions like a non-resettable type control.
This single operation thermostat performs like a thermal fuse with the reliability
of a 100% tested bimetallic thermal control.
Contact form: Single pole, single throw; open on temperature rise
Snap action device; quick break/quick make switching action
Rated load:
15 A 120 VAC (resistive load)
Calibration OFF temperature selectable from +60°C to +160°C in 1°C increments
Factory preset fixed calibration temperature
Calibration tolerance customizable from ±5 K to ±10 K
Maximum sensor head temperature of +180°C
Bimetallic element carries the circuit current
Integrated crimping connectors
Customization of the lead wire and insulation is possible
H Series
Thermal cut-out (SOD, bimetallic single operation device)
Contact form: Single pole, single throw; open on temperature rise
Snap action device; quick break/quick make switching action
Factory preset fixed calibration temperature
PEPI
Min. Calibration Temperature
[°C]
Max. Calibration Temperature
[°C]
Max. Current
[A]
Max. Voltage
Approvals
H Series
160
240
8/8/4
250 VAC/24/36 VDC
TÜV/c-UL
H-3 Series
130
230
10/2
250 VAC/24 VDC
VDE/c-UL
H-4 Series
130
230
0,5
50 VDC
VDE/c-UL
H-5 Series
130
240
15/10
120/250 VAC
TÜV/c-UL
H-7 Series
200
260
15
250 VAC
TÜV/c-UL
H-8 Series
250
280
15
250 VAC/24 VDC
TÜV/c-UL
Reset temperature: <-35°C
B Series
Thermostat, temperature control
Contact form: Single pole, single throw; open on temperature rise
Creep action device
Rated load:
3 A 12 VDC
3 A 24 VDC
Calibration OFF temperature selectable from +5°C to +150°C in 1°C increments
Factory preset fixed calibration temperature
Calibration tolerance customizable from ±5 K to ±10 K
Differential between OFF and ON calibration temperature of 2 K to 10 K
Bimetal does not carry current
Contacts are gold plated (also usable for applications with low voltage and small current)
Customization of lead wire and insulation possible
Approvals: UL, CSA
W Series
Thermal protector for use in all types of appliances and excellent for motor and winding protection
Contact form: Single pole, single throw; open on temperature rise
Snap action device; quick break/quick make switching action
Rated load:
37 A 250 VAC (resistive load)
10 A 250 VAC (inductive load)
Calibration OFF temperature selectable from +70°C to +150°C in 1°C increments
Factory preset fixed calibration temperature
Calibration tolerance customizable to either ±5 K or ±10 K
Differential, depending on chosen no-load calibration temperature, ranging between 10 K and 80 K
Maximum sensor head temperature +180°C
Bimetallic element carries the circuit current;
current sensitivity can be customized using the specific resistance of the bimetal
Customization of lead wire and insulation is possible
Approvals: VDE, UL, CSA
N Series
Thermostat, temperature control
Contact form of models N, N-1, N-2: single pole, single throw; open on temperature rise
Contact form of model NR: single pole, single throw; close on temperature rise
Creep action device
Rated load:
8 A 12 VDC
4 A 24 VDC
Model N-1, N-2: Short circuit current until 100 A 12 VDC
Calibration OFF temperature selectable from
+30°C to +130°C (Model N, N-1, N-2);
+30°C to +125°C (Model NR); with 1°C increments
Factory preset fixed calibration temperature
Calibration tolerance customizable from ±3 K to ±10 K
No differential between OFF and ON calibration temperature, due to creep action contacts
Bimetal carries current
Current sensitivity customizable through the specific resistance of the sensing element (Models N, N-1, or N-2)
Contacts are gold plated (also usable for applications with low voltage and small current)
Customization of lead wire and insulation is possible
Approvals: UL, C-UL
C Series
Thermostat, temperature control
Contact form of models C and CH: single pole, single throw; open on temperature rise
Contact form of model CR: single pole, single throw; close on temperature rise
Creep action device
Rated load:
8 A 12 VDC
4 A 24 VDC
Calibration OFF temperature selectable from +5°C to +200°C in 1°C increments
No differential between OFF and ON calibration temperature, due to creep action contacts
Bimetal carries current
Contacts are gold plated (also usable for application with low voltage and small current)
Customization of lead wire and insulation is possible
Approval: UL, CSA
V Series
Temperature control, usable as i.e. charge and short circuit protection in battery packs
Contact form: Single pole, single throw; open on temperature rise
Snap action device; quick break/quick make switching action
Rated load:
10 A 12 VDC 10,000 cycles
5 A 24 VDC 10,000 cycles
Short circuit currents until:
150 A 12 VDC 500 cycles
Calibration OFF temperature selectable from +45°C to +100°C in 1°C increments
Factory preset fixed calibration temperature
Calibration temperature tolerance customizable ±5 K to ±10 K
Differential, depending on no-load calibration temperature, ranging from 4 K to 35 K; switch back temperature: >35°C
Bimetallic element carries the circuit current;
current sensitivity can be customized using the specific resistance of the bimetal (model V or VA)
Contacts are gold-plated
Customization of lead wire and insulation is possible
Approvals: UL, CSA
ST01 Series
Temperature limiter, excellent for motor and winding protection, and a large variety of appliances
Contact form: Single pole, single throw; open or close on temperature rise
Snap action device; quick break/quick make switching action
Rated load:
6,3 A 250 VAC (resistive load)
5 A 125 VAC (resistive load)
Calibration OFF temperature selectable
from +60°C to +250°C in increments of 5°C
Factory preset fixed calibration temperature
Calibration tolerance: ±5 K
Differential 20 to 50 K depending on the chosen calibration temperature
Maximum sensor head temperature of +200°C
Low current sensitivity, the bimetallic element does not carry the circuit current
Termination: Lead wire gauge 0,325 mm² (AWG 22) either with
XLPE isolation (150°C, 300 V) or PFA isolation (250°C, 600 V),
alternatively lead wire gauge 0,205 mm² (AWG 24) wit Silicone isolation (200°C, 600 V),
or solid bare wire (lead frame) for PCB assembly