Relay Module PFR 704T/N/K/H

Four isolated relays
Switching status displayed on front panel
FM approved

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Description Documentation Applications Specifications

Description

This module has multiple contacts for activating several air butterfly valves using a single control signal when purging or for switching between heating and cooling when using an MPT 700 Impulse System.

Documentation

	FAQ: Kromschröder Product Labels and Type Codes (Blog Post)
	Relay Module PFR 704 (for PF-19 Burner Control System) Brochure
	Relay Module PFR 704 (for PF-19 Burner Control System) Operating Instructions

Nonstock items, sold as-is All sales are final
Model and Description	Model	Part Number	Description	Stock	Price	Cart
PFR 704T/N/K/H Relay module; series 700; with 4 independent relays; controlled by 220/240 V AC, 110/120 V AC, or 24 V DC/AC	PFR 704T/N/K/H	84373510	Relay module; series 700; with 4 independent relays; controlled by 220/240 V AC, 110/120 V AC, or 24 V DC/AC

Applications (click on image for close-up view)

Relay Module

Multiple contacts e.g. for activation of several air butterfly valves via a single control signal when purging or for switching between heating and cooling when using an MPT 700

Specifications

Power consumption:	110/120 V AC, -15/+10 %, 50/60 Hz 220/240 V AC, -15/+10 %, 50/60 Hz 24 V DC or AC,± 10 %.
Current per relay:	25 mA.
Contact load on isolated outputs:	max. 2 A, 264 V (not internally fused).
Weight:	0.37 lbs (0.17 kg)