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Din-Rail Mountable RS-422/485 Repeater, embedded surge protection (16 KV ESD)

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Mfg Part Number:  TCC-120  
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Price: $166.91
In Stock: 20
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Moxa PD Frame
TCC-120I is an isolated RS-422/485 repeater designed for users who need an industrial grade interface conversion product to extend RS-422/485 transmission distance. Its superior industrial application design, which includes DIN-Rail mounting, terminal block wiring, external terminal block power, and optical isolation for system protection, makes TCC-120I suit able for use in critical industrial environments.

Boost serial signal to extend transmission distance
Wall or DIN-Rail mountable
Terminal block for easy wiring
Power input from terminal block
DIP Switch enabled built-in terminator (120 ohms)
PWR, Tx, Rx LEDs
Embedded Surge protection (16 KV ESD)
2 KV Isolation (TCC-120I)

Serial Communication
RS-422/485 Signal
Tx+, Tx-, Rx+, Rx-, Data+, Data-
RS-485 Data Direction Control
Baud Rate
50 bps to 230.4 Kbps
Surge protection
15 KV ESD RMS, for all signals
2 KV (TCC-100I), Power/Signal
Operating Temperature
0 to 55°C (32 to 131°F)
Storage Temperature
-20 to 75°C (-4 to 167°F)
5 to 95% RH
Power Consumption
Input Power Voltage
External Power 12-48 VDC, Terminal Block
Reverse Power Protection
Protects against V+/V- reversal
Over Current Protection
Protects against 2 signals shorted together: 1.1A
Power Consumption
TCC-120:  1.18W, 198 mA at 12V (max.)
TCC-120I: 2.8W, 234 mA at 12V (max.)
Dimensions (W x D x H)
67 x 100 x 22 mm
90 x 100 x 22 mm (including DIN-Rail Mounting Kit)
Plug-in screw terminal block
#22 to #16 AWG
Black Paint
148 ± 5g
Regulatory Approvals
CE, FCC (Class B)
Ordering Information
RS-422/485 Repeater
RS-422/485 Repeater with Optical Isolation
All items include:
  • DIN-Rail Mounting Kit (DK35A)
  • User's Manual
    Optional Accesories


    Power Requirements
    Power Consumption TCC-120: 65 mA @ 12 V 
    TCC-120I: 180 mA @ 12 V
    Input Voltage 12 to 48 VDC
    Voltage Reversal Protection Protects against V+/V- reversal
    Source of Power Input Power input jack
    Over Current Protection Protects against two signals shorted together
    Environmental Limits
    Operating Temperature -20 to 60°C (-4 to 140°F)
    Storage Temperature -20 to 85°C (-4 to 176°F)
    Ambient Relative Humidity 5 to 95% (non-condensing)
    MTBF (mean time between failures)
    Time 1,949,025 hrs
    Database Telcordia (Bellcore), GB
    Physical Characteristics
    Weight 148 ± 5 g
    Dimensions 67 x 100.4 x 22 mm (2.64 x 3.93 x 0.87 in)
    Housing Aluminum
    Standards and Certifications
    EMI FCC Part 15 Subpart B Class B
    Safety UL 60950-1
    EMS EN 61000-4-2 (ESD) Level 2,
    EN 61000-4-3 (RS) Level 2,
    EN 61000-4-4 (EFT) Level 2,
    EN 61000-4-5 (Surge) Level 2,
    EN 61000-4-6 (CS) Level 2,
    EN 61000-4-8 (PFMF) Level 1
    Green Product RoHS, CRoHS, WEEE
    Serial Communication
    Signals RS-422/485-4w: TxD+, TxD-, RxD+, RxD- 
    RS-485-2w: Data+, Data-
    Connectors Terminal Block on both ends
    RS-485 Data Direction Control ADDC® (automatic data direction control)
    ESD Protection 15 KV for all signals
    Optical Isolation 2 KV (TCC-120I only)
    Baudrate 50 bps to 921.6 Kbps
    Warranty Period 5 years
    Details See
    Stock: 11
    Stock: 4343
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