RELPOL Relays

relpol relays for panel builders and OEM integration

Relpol produces a wide portfolio of board and DIN‑rail relays used to isolate PLC I/O, switch mains loads, and handle fast signaling in panels. Specifiers pick these parts when they need socketed serviceability, clear diagnostics, and predictable electrical life under mixed resistive/inductive duties.

Product range and series overview – relpol control relays

The family splits into functional groups that map cleanly to panel roles:

• General control: change‑over SPDT/DPDT formats for interlocks, status transfer, and small actuator control. Plug‑in bodies with keyed sockets, retaining clips, and marker tags simplify maintenance.
  Power switching: heavier contact sets for AC loads, heaters, and small motors where a contactor would be overkill. Versions with AgSnO contacts handle inrush from LED drivers and transformers.
• Signaling/miniature: low‑profile relays for PLC backplanes and dense interface cards; low contact bounce for clean logic.
• Interface modules: slim 6–12 mm DIN modules that convert PLC outputs into field‑rated contacts; LED status, test button, and free‑wheel suppression on DC coils.
• Timers: multi‑range on‑delay/off‑delay/interval/star‑delta modules with rotary or DIP setup for fast commissioning.

Stock planners usually carry one socketed family for service panels and one slim interface line for dense PLC rows.

Technical specifications and standards – relpol power relays

• Contacts: SPDT/DPDT up to 10–16 A @ 250 VAC resistive; inductive derating per curve. AgNi/AgSnO contact systems; gold‑flash options for low‑level signals. Electrical endurance typically ≥100k cycles at rated load; mechanical life in the millions.
• Coils: 12/24 VDC and 24/110/230 VAC families; DC coils with built‑in suppression on many interface modules. Coil burden and heat rise are documented for enclosure grouping.
• Insulation: dielectric strength commonly 2.5–4 kV coil↔contact; creepage/clearance sized for OVC II/III per design. Pollution degree PD2 typical for panels.
• Formats & wiring: plug‑in with socket (screw or spring terminals) and 6–12 mm slim DIN. Conductor range 0.5–2.5 mm²; test points on sockets aid FAT/SAT.
• Compliance context: IEC 61810 (EMR), IEC 60947‑5‑1 (control circuit devices). Electronic timers align with EN 61000‑x EMC. Marking supports EU CE and often UL for export SKUs.
• Environment: ambient −25…+55/70 °C depending on density; housings IP20. Shock/vibration performance per family datasheets.

On 24 VDC rails, leave 10–20% coil‑power headroom; brown‑outs during cold start are a common field complaint.

Applications and compatibility – relpol signal relays

• BMS and building controls: isolating DDC/PLC outputs from mains lighting, blinds, and HVAC auxiliaries; relay interlocks protect logic cards from inrush.
• Machinery/OEM: solenoids, heaters, and small motors where a compact relay saves space; SSR variants cover silent/high‑cycle tasks.
• Infrastructure: pump alternation, level alarms, and fault signaling in water and utility panels; timing relays sequence starts to curb inrush.

Plug‑in bodies fit standard 35 mm DIN rails via sockets; slim interfaces align with PLC pitch. Where loads are highly inductive, pick AgSnO contacts and add RC snubbers on AC or diodes on DC.

Integration with other brand products – relpol interface relays

Relpol interface relays sit between PLC outputs and field loads, while timing units manage start/stop sequences and delays. Use them ahead of contactors, soft starters, and VFD digital inputs to protect electronics. For lighting panels, isolate DALI/0–10 V gateways from mains via relay contacts so control remains SELV.

In mixed‑vendor boards, keep terminal styles consistent and label sockets; swap time on night shifts drops sharply when crews don’t hunt for adapters.

Selection criteria for B2B clients – relpol timing relays

1. Load type & current – resistive vs inductive; define inrush (LED drivers, transformers) and choose AgSnO where needed.
2. Coil system – DC vs AC, coil burden, suppression type; verify auxiliary PSU capacity.
3. Form factor – plug‑in + socket for serviceable panels, slim DIN for density. Plan for finger‑safe terminals in public‑access enclosures.
4. Diagnostics & testing – LED indicator, mechanical flag, and test button aid FAT/SAT and maintenance.
5. Ambient & enclosure grouping – apply derating with elevated temperatures and clustered mounting.

A practical approach is to standardize on 24 VDC coil for PLC rows plus a 230 VAC coil family for retrofit jobs

Advantages of working with Bankoflamps

• Individual B2B pricing and custom offers tailored to project scope.
• Personal account manager for samples, submittals, и logistics.
• Real‑time stock visibility across EU warehouses.
• Quick quote response (~1 hour) for tender agility.
• Fast order placement by EAN/MPN with clean traceability.
• Downloadable, always up‑to‑date price lists for ERP syncing.
• Lead‑time tracking and order status updates for site scheduling.
• Purchase‑history access and analytics to consolidate SKUs.
• Post‑payment (up to 30 days) for trusted clients.
• Consolidated shipment management to reduce freight costs.
• Stable pricing with validity dates; we serve France, the Baltics, Germany, Spain, Italy, Belgium, and the Netherlands.