Knowledge base
Product Updates
New models, upgraded specifications and product improvements from Beijing Strong Electric.
TC5-S PID Temperature Controller: Model Code, Terminals, Outputs and Commissioning
A working reference for the TC5-S 1/16 DIN digital PID temperature controller: how to read the model code, the electrical specification, terminal-by-terminal wiring, how to choose between relay, SSR drive and 4-20mA output, and the checks to run before the first heat-up.
Read guide Product Updates · 2025-04-11TCN4 Series PID Temperature Controller: Model Codes, Inputs, Outputs and Commissioning
A working reference for engineers specifying or commissioning a TCN4 series digital PID temperature controller: how the four panel sizes differ, which sensor inputs are accepted, when to use the relay output with a contactor versus the SSR drive output, and the checks to run before first heat-up.
Read guide Product Updates · 2025-04-04How to Choose a Solid State Relay: Input Type, Current Sizing, Switching Mode and Cooling
A practical selection reference for solid state relays: which input and output combination to specify, how to size load current and voltage including cold inrush, when to use zero-crossing versus random turn-on, and how to calculate the heat sink so the relay does not fail short-circuit.
Read guide Product Updates · 2025-03-28BDTY Single-Phase SCR Voltage Regulator: Signal Options, Sizing and Installation
Control signal options, current sizing from 10A to 400A, wiring and isolation practice, thermal design and commissioning steps for the BDTY single-phase SCR power regulator used on resistive heating loads.
Read guide Product Updates · 2024-03-18M1DK-80A Pulse-Triggered SCR Power Module: Trigger Wiring, Sizing and Commissioning
How the M1DK / SSR-DV pulse-triggered SCR module differs from a standard DC-input SSR, how the G and T1 trigger terminals are wired to a ZKG, ZKC or ZKD controller, and how to size, cool and fault-find the module.
Read guide Product Updates · 2024-03-18SSR-25DA Solid State Relay: Electrical Data, Sizing, Heat Sink and Wiring
Electrical data, current sizing rules, heat sink and derating guidance, wiring practice and a fault-finding table for the SSR-25DA DC-controlled solid state relay used on industrial heating loads.
Read guide Product Updates · 2024-03-18TC4-W PID Temperature Controller: Panel Data, Outputs and Retrofit Notes
Panel and cutout dimensions, electrical specification, output selection and retrofit checks for the TC4-W horizontal PID temperature controller within the TC4 family.
Read guide Product Updates · 2024-02-06SCR-100 / ZKG-2000 Heating Power Controller: Wiring, Setup and Fault Finding
What the SCR-100 / ZKG-2000 actually controls, how the T1, G, N and L terminals connect to an external pulse-triggered SCR module, panel and cutout data, and how to commission and fault-find the pair.
Read guide Product Updates · 2024-02-05REX-C Series PID Temperature Controller: Input Codes, Output Codes and Panel Data
A specification and commissioning reference for the REX-C family: how the input and output code letters work, panel and cutout dimensions for each model, PID setting ranges and the checks to run before first heat-up.
Read guide Product Updates · 2024-02-04CH Series PID Temperature Controller: Sizes, Input and Output Codes, Alarm Modes
Panel dimensions, cutouts, input and output option codes, alarm mode selection and commissioning notes for the CH (REX-CH) short-body PID temperature controller family.
Read guide Product Updates · 2024-02-03TC4 Series PID Temperature Controller: Model Code Breakdown, Outputs and RS485 Setup
How to read a TC4 model code, which sensor inputs and control outputs are available across TC4S/H/W/M/L, what the RS485 Modbus option adds, and the checks to run at commissioning.
Read guide Product Updates · 2024-02-02SCR3L Three-Phase SCR Voltage Regulator: Signal Wiring, Sizing and Installation
Electrical data, control signal options, four-wire 380VAC connection rules, current sizing, mounting dimensions and commissioning steps for the SCR3L three-phase intelligent SCR voltage regulator.
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