Techna JtecUL Current Miniature Circuit Breaker Set
Techna JtecUL Current Miniature Circuit Breaker Set
SKU:CIR-50c1f4
Enhance circuit protection with Techna's JtecUL Miniature Circuit Breakers - UL507 and EN60898 compliant, offering safety and reliability.
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Techna JtecUL Current Miniature Circuit Breaker Set
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Upgrade your electrical systems with Techna's Jtec UL1077 and UL508 10kA Current Miniature Circuit Breakers. These MCBs offer superior circuit protection, meeting UL standards and European EN60898 requirements. With current ratings ranging from 0.5A to 63A and trip curves B, C, and D, the JtecUL series ensures optimal performance and safety. Engineers benefit from its UL508 listing, allowing for simplified installations and inventory savings, while service technicians appreciate features like recessed terminal screws for protection and trip indicator windows for quick fault identification.
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Product Specifications
Accessories Accessories
Item #: JtecUL AUX1COItem Name: Auxiliary and Signal Contacts - 1 ChangeoverMaximum Cable Size - 2.5 mm²/12 AWGMinimum Cable Size - 0.5 mm²/20 AWGTorque - 0.33 N·m/3 lb·inItem #: JtecUL AUX2COItem Name: Auxiliary and Signal Contacts - 2 ChangeoverMaximum Cable Size - 2.5 mm²/12 AWGMinimum Cable Size - 0.5 mm²/20 AWGTorque - 0.33 N·m/3 lb·inItem #: JtecUL AUXSCOItem Name: Auxiliary and Signal Contacts - 1 Changeover + 1 Signal ChangeoverMaximum Cable Size - 2.5 mm²/12 AWGMinimum Cable Size - 0.5 mm²/20 AWGTorque - 0.33 N·m/3 lb·inItem #: JtecUL AUXSTCOItem Name: Auxiliary and Signal Contacts - 1 Changeover + 1 Signal + 1 Test ButtonMaximum Cable Size - 2.5 mm²/12 AWGMinimum Cable Size - 0.5 mm²/20 AWGTorque - 0.33 N·m/3 lb·inItem #: JtecUL ST12ACItem Name: 12 Alternating Current Voltage (AC) Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST24ACItem Name: 24 Alternating Current (AC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST48ACItem Name: 48 Alternating Current (AC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST60ACItem Name: 60 Alternating Current (AC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST110ACItem Name: 110 Alternating Current (AC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST120ACItem Name: 120 Alternating Current (AC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST230ACItem Name: 230 Alternating Current (AC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST277ACItem Name: 277 Alternating Current (AC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST400ACItem Name: 400 Alternating Current (AC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST12DCItem Name: 12 Direct Current (DC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST24DCItem Name: 24 Direct Current (DC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST48DCItem Name: 48 Direct Current (DC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL ST110DCItem Name: 110 Direct Current (DC) Voltage Shunt Trip ReleaseMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecUL N2Item Name: Neutral PoleMaximum Cable Size - 25 mm²/3 AWGMinimum Cable Size - 1 mm²/18 AWGTorque - 2.8 N·m/25 lb·inItem #: JtecLP1 BlackItem Name: Lock off Adapters - BlackItem #: JtecLP1 YellowItem Name: Lock off Adapters - Yellow
Additional Information Additional Information
Not all UL breakers are the sameThe breaker features a trip indicator window to show that the breaker has tripped even if the handle has been inadvertently prevented from movement. This saves a lot of time by enabling quick identification of a tripped circuit when an engineer is on site.
Advantages Advantages
Techna's JtecUL product provides a full range of Miniature Circuit Breakers (MCB)Trip Curves B (quick), C (medium), and D (long delay)Current ratings 0.5 A to 63 AAll available in 1,2,3 and 4 pole versions.
Benefits For Engineers And Designers Benefits For Engineers And
A. Many MCB's are only recognized to UL1077 which is a standard for supplementary protectors only.JtecUL goes further in that it is also listed to UL508.This rates JtecUL as suitable for use as a manual motor controller rated for motor disconnect.In simple terms you can replace the usual combination of disconnect switch, manual motor controller and a 1077 only breaker with our single JtecUL component.UL508 listed Jtec is suitable for use in control panels without further UL investigation.B. JtecUL has superior circuit protection ratings across the entire range:10 kA at 480Y/277 VAC up to 6 A - with NO backup devices.10 kA at 480Y/277 VAC up to 63 A - with backup Fuse.5 kA at 480Y/277 VAC up to 63 A - with NO backup devices.This applies to the entire range of components (all current ratings right up to 63 A)Many suppliers only offer the full breaking capacity (interrupt rating) at 230 VAC (instead of 277 V) and sometimes only up to 32 A current ratings.C. JtecUL also meets European standard EN60898 for circuit breakers and is CE marked, ideal for manufacturers seeking to stock a single product to use for global production requirements.D. Jtec has a full range of accessories.Auxiliary contacts with both changeover and signal circuits - meaning you can remotely monitor the state of the breaker (ON or OFF) and you can also tell whether the breaker was manually switched off or has tripped due to a circuit fault.Shunt trip modules (to enable remote shutdown of the device)Uniquely the N-pole (Neutral pole) add on means you can convert a 3 pole breaker into a 3 pole + switched neutral device with one shared component, so you do not need to stock 4 pole devices, making inventory savings.
Benefits For Service Engineers And Installers Benefits For Servi
A. JtecUL is suitable for field wiring - this means the product has been evaluated by UL as being suitable for direct field installation by a field service engineer (as opposed to factory fitted only.)B. The breaker terminal screws are recessed to provide finger touch protection.C. Lock off adaptors are available to enable breakers to be padlocked on (to prevent manual turn off), or locked off, for example by service engineers working on the system.D. The breaker features a trip indicator window to show if the breaker has tripped even if the handle has been inadvertently prevented from movement. This saves a lot of time by enabling quick identification of a tripped circuit when an engineer is on site.
Technical Data Alternating Current Ac Rated Voltage
277 V | 480 V
Technical Data Alternating Current Ac Rated Voltage European Sta
230 | 400
Technical Data Ambient Temperature Range
-25 to 60 ºC
Technical Data Compliance Standards
EN 60898 | Underwriters Laboratories (UL) 1077 | Underwriters Laboratories (UL) 508
Technical Data Current Ratings
0.5 A | 1 A | 2 A | 3 A | 4 A | 5 A | 6 A | 8 A | 10 A | 13 A | 15 A | 16 A | 20 A | 25 A | 30 A | 32 A | 35 A | 40 A | 50 A | 63 A
Technical Data Electrical Life Onoff Tested For Motor Disconnect
6000 cycles
Technical Data European Energy Limiting Class To En 60898 At 05
Class 3 | Class B | Class C
Technical Data Maximum Direct Current Dc Rated Voltage For 1 Pol
48 V
Technical Data Maximum Feed Current Through Jtec Miniature Circu
126 A
Technical Data Maximum Fine Wire Size
3 AWG | 25 mm²
Technical Data Maximum Fine Wire Size With Ferrule
3 AWG | 25 mm²
Technical Data Maximum Multiple Wire Size
3 AWG | 25 mm²
Technical Data Maximum Single Wire Size
3 AWG | 25 mm²
Technical Data Maximum Tightening Torque
2.8 N·m | 25 lb·in
Technical Data Mechanical Life
100,000 cycles
Technical Data Minimum Fine Wire Size
18 AWG | 1 mm²
Technical Data Minimum Fine Wire Size With Ferrule
18 AWG | 1 mm²
Technical Data Minimum Multiple Wire Size
18 AWG | 1 mm²
Technical Data Minimum Single Wire Size
18 AWG | 1 mm²
Technical Data Minimum Tightening Torque
2.8 N·m | 25 lb·in
Technical Data Number Of Poles
1 | 1+N | 2 | 3 | 3+N | 4
Technical Data Operational Position
In Any Plane
Technical Data Protection Degree
Ingress Protection (IP20) at Front
Technical Data Rated Frequency
50 Hz | 60 Hz
Technical Data Resistance To Thermal Shocks
140 ºC
Technical Data Short Circuit Capacity Interrupt Rating According
10 kA
Technical Data Trip Curves To European Standards En 60898
B | C | D
Technical Data Type Of Conductor
Cable Clamp
Technical Data Underwriters Laboratories Ul Interrupt Rating No
5 kA
Technical Data Underwriters Laboratories Ul Interrupt Rating Wit
10 kA
Technical Data Vibration Resistance At 8 To 50 Hertz Hz Frequenc
3 gâ