ENMG / RELAY INTERFACE MODULES
RT-M04E-K2 / K3
Four-channel relay modules for solenoid and hydraulic valves
G2R-1-E relay interfaces with load-specific suppression: shared-common DC outputs in K2 and independent AC outputs in K3.
Request a quote ↗TECHNICAL DATA / RT-M04E-K2 / K3
Specifications & selection.
- Four normally open outputs from SPDT power relays.
- K2: RC and flyback suppression; K3: 10D471K varistors.
- 35 mm DIN mounting and screw terminals.
| Model | Output | Suppression |
|---|---|---|
| RT-M04E-K2 | Four normally open; shared COM; DC | RC across contacts and diode across load |
| RT-M04E-K3 | Four independent normally open; AC | 10D471K varistor across each output |
| Parameter | Specification |
|---|---|
| Relay | G2R-1-E; SPDT |
| Contact class | 16 A at 250 VAC / 30 VDC; not assembly rating |
| Initial resistance | ≤50 mΩ |
| Mechanical / electrical life | Over 20 million / 100,000 operations; test loads not given |
| Operate / release | ≤15 / ≤10 ms |
| Coil options | 24 VDC; 12 and 5 VDC listed as alternatives |
| Parameter | Specification |
|---|---|
| Outline | 61 × 88 × 55 mm |
| Terminals | M2.5; 5.0 mm pitch; 10 A / 300 V |
| Wire / torque / strip | 22–12 AWG / 0.4 N·m / 6–7 mm |
| Withstand | 2500 VAC, 1 minute; test points not specified |
| Ambient | −40 to +70 °C; 5–85% RH; no condensation or icing |
| Protection designation | IP20 |
| K2 RC in circuit drawing | 100 Ω + 103K / 630 V capacitor; confirm production components |
Selection & installation notes
- Terminals are rated 10 A, below the 16 A relay class. Confirm per-channel and shared-COM limits and thermal derating before load selection.
- The circuit drawings show 1N4007 coil diodes and a polarized input circuit, while generic prose describes bidirectional TVS and non-polarized indication. Follow the exact supplied diagram; input polarity is not assumed interchangeable.
- K2 and K3 suppress different loads. Confirm maximum load voltage and suppression energy; built-in components are not universal protection for every solenoid.
- Isolate both control and load supplies before service. The module exposes normally open outputs; the relay SPDT designation does not establish an accessible NC output.
Based on the official Chinese product page and selection charts ↗. Checked 2026-09-15. Confirm the current specification for the exact model when ordering.
TECHNICAL RESOURCES
Plan your integration.
ENMG relays — English product-family brochure.
This is a product-family brochure. Request a model-specific datasheet and installation drawing with your inquiry.