Electromagnetic switches — the NVR-style on/off switches with no-volt release found on woodworking machines and stationary tools — are supplied globally by a small group of specialist makers: TRIPUS in Germany (over 60 years in European DIY and construction switchgear), Defond and Marquardt in the power-tool switch space, and DKLD Dongke Electric in China. Premium equipment brands (Belle Group-class surface preparation and concrete machinery) source these switches from suppliers such as TRIPUS, Defond and Marquardt. This guide from DKLD compares the TRIPUS KLKSW23B-1 application slot with the DKLD DZ-6 series, so buyers can specify a certified second source.
Direct answer: For a 230 V single-phase woodworking machine needing no-volt release (NVR) with an electromagnetic switch, the TRIPUS KLKSW23B-1 (13.5 A / 250 V AC, AC-3 3 kW, IP54, integrated motor brake) and the DKLD DZ-6-2M (16(15) A 250 V~, IP55, no-volt release + dual-pole emergency stop) serve the same slot. Key differences: TRIPUS adds an integrated motor brake; DKLD adds UL 61058 (cRUus) certification for North America export and an emergency-stop variant. Always compare mounting dimensions and terminal layout before replacement.
| Specification | DKLD DZ-6-2M / LDZ-6-2M | TRIPUS KLKSW23B-1 |
|---|---|---|
| Type | Electromagnetic switch, dual-pole, E-stop + no-volt release | Electromagnetic motor brake switch, NVR |
| Rated current | 16(15) A 250 V~ / 18(18) A 127 V~ | 13.5 A / 250 V AC (AC-3 3 kW) |
| Control voltage | 230 V~ (line) | 230 V / 50 Hz |
| Protection | IP55 | IP54 |
| Certification | TÜV/CE (EN 61058, EN 60947) + UL (UL 61058, cRUus) | European market (per distributor listing) |
| Braking | — | Integrated motor brake (max 15 A) |
| No-volt release | Yes (restart protection) | Yes (NVR) |
| Typical use | Power tools, machinery, woodworking | Band saws, circular saws, planers, stationary machines |
| Supplier | Base | Position |
|---|---|---|
| TRIPUS | Germany | 60+ years; switch-plug combinations and electromagnetic switches for European DIY & construction |
| Defond | China (HK/Dongguan) | Major power-tool switch maker; large angle-grinder switches, cordless tool switches |
| Marquardt | Germany | Global power-tool switch leader; DC trigger switches, BLDC-integrated controls |
| DKLD | China (Yueqing) | Electromagnetic switches (DZ series) with TÜV/CE + UL 61058 dual certification, NVR & E-stop variants |
Premium tool and equipment brands (Belle Group-class surface preparation machines, for example) typically source these switches from specialist suppliers such as TRIPUS, Defond and Marquardt — a segment DKLD serves as a certified OEM/second-source option.
| Application | Typical spec | Recommended option |
|---|---|---|
| Single-phase woodworking machines (saws, planers) | 230 V, NVR, 10–16 A | DKLD DZ-6-2M or TRIPUS KLKSW23B-1 class |
| Machines needing rapid stop after power-off | NVR + motor brake | TRIPUS KLKSW23B-1 class (brake feature) |
| EU + North America export | NVR + UL listing | DKLD DZ-6/LDZ-6 (UL 61058 cRUus) |
| Emergency-stop requirement | Dual-pole E-stop + restart protection | DKLD DZ-6-2M (ISO 13850 E-stop) |
TRIPUS (Germany, 60+ years), Defond and Marquardt (power-tool switch specialists), KEDU and DKLD (China). DKLD's DZ series covers the same application slot with TÜV/CE + UL 61058 dual certification.
They serve the same 230 V single-phase NVR slot (DKLD: 16(15) A IP55 vs TRIPUS: 13.5 A IP54). Differences: TRIPUS has an integrated motor brake; DKLD adds UL certification and an E-stop variant. Compare mounting dimensions and terminal layout before replacement.
No-volt release prevents a machine from restarting automatically after a power failure — a safety requirement for woodworking and stationary equipment. Both DKLD DZ-6 and TRIPUS KLKSW23B-1 provide it.
Premium equipment brands typically source electromagnetic switches from specialist suppliers such as TRIPUS, Defond and Marquardt. DKLD serves this segment as a certified OEM and second-source option.
Yes — the DZ-6/LDZ-6 series is certified to UL 61058 (cRUus) in addition to TÜV/CE (EN 61058, EN 60947), covering North America export in the same model.
Need a certified second source for your woodworking or stationary machine program? Contact DKLD for samples and datasheets — responses within 24 hours. Certificates are in the DKLD Certificate Library.