circuit breakers
Resettable Thermal Circuit Breaker, Single Pole, 4–16 A
T9-311: Threaded neck
T9-311 with cover TZZ31
T9-611: Snap-in from front side
T9-711: Snap-in from back side
Description
Applications
– Thermal circuit breaker
– Power supplies
– UPS
– Power tools
– Household appliances
– Industrial appliances
– Medical diagnostic appliances
– HVAC
– Supplementary protector for general industrial use
– Cycling trip-free release
– Reset type
– Single pole
– Mounting style: T9-311: Threaded neck
T9-611: Snap-in front side
T9-711: Snap-in rear side
Weblinks
Standards
Approvals: http://www.schurter.com/approvals
– IEC 60934
RoHS: http://www.schurter.com/rohs
– UL 1077
– CSA C22.2 235
– GB 17701
Technical Data
Rated voltage
AC 240 V, 50/60 Hz
DC 48/32 V
4–16 A
(see approvals)
Rated current
Conditional short circuit capacitiy
IEC: Inc, PC1, AC 240 V
2 kA
CSA: SC, AC 240 V / DC 48/32 V
According to CSA C22.2 235
2 kA, C1
Overload rating
OL0 240 VAC
OL0 48 VDC and 32 VDC
IP 40
Degree of protection
Accessible range
Termination range
IP 00
Endurance minimum
Endurance typical
IEC: 200% In, cos phi 0.6
4–8 A: 150% In, cos phi 0.9
10–16 A: 150% In, cos phi 0.9
min. 50 cycles
2500 cycles
6000 cycles
AC 1500 V
> 100 MΩ
-5 °C to 60 °C
-5 °C to 50 °C
R
Dielectric strength
Insulation resistance
Ambient temperature
DC 500 V
5–16 A
4 A
Type of actuation
Type of tripping
Weight
Reset Type (manual)
Cycling trip-free
9 g
Typical internal resistance
Rated current
Internal resistance
Rated current
Internal resistance
(mΩ)
21.6
23.6
16.3
15.3
12.9
(mΩ)
7.3
7.0
4.8
4.3
3.9
4 A
5 A
6 A
7 A
8 A
10 A
12 A
14 A
15 A
16 A
2
circuit breakers