887 Modulator-Junction Box; Honeywell; Model: 887/M

Honeywell 887/M Modulator-Junction Box Full English Specifications
Basic Description
Model: 887/M Modulator Junction Box
Brand: Honeywell
Application: Wiring terminal enclosure exclusively for Honeywell Modutrol IV series proportional damper & valve actuators (burner / HVAC modulating control system)
Mechanical Specifications
Housing Material: Light grey flame-retardant plastic
Mounting Type: Surface wall mounting
Conduit Entries: Multi-side pre-punched knockout holes for multi-direction cable routing
Internal Terminal: Multi-group screw terminal blocks, compatible with control wire, 24V power cable, position feedback signal wire
Ingress Protection: IP40 (indoor dry environment only)
Operating Ambient Temp: -20°C ~ +60°C
Feature: Separate lid with Honeywell & 887/M model marking, easy open for wiring maintenance
Electrical Specifications
Rated Control Voltage: Max 24V AC modulating control circuit
Wire Gauge Range: 16 ~ 22 AWG copper wire
Terminal Connection: Screw clamping terminals, no quick-disconnect plug
Circuit Type: For 0–10V / 4–20mA proportional signal & auxiliary switch wiring
Compliance & Application Notes
Standard indoor accessory for boiler combustion control, air handling unit modulating actuators
Non-explosion-proof design, prohibited for hazardous flammable areas
Equivalent replacement requirement: Same plastic enclosure size, multi-way conduit knockouts, built-in multi-screw terminal blocks, IP40 rating, suitable for modulating actuator signal distribution
Short Commercial Version (For BOQ / Quotation Sheet)
Honeywell Model 887/M Modulator Junction Box, plastic surface-mount wiring enclosure for Modutrol IV proportional actuators, multi-side conduit knockouts, internal screw terminal blocks, IP40, for 24V AC modulating control circuit, or equivalent product.