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Marsh Bellofram Diversified Electronics Division SLM-Series Microprocessor Based 3-Phase Monitor

Marsh Bellofram Diversified Electronics Division SLM-Series Microprocessor Based 3-Phase Monitor

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Marsh Bellofram Diversified Electronics Division SLM-Series Microprocessor Based 3-Phase Monitor

Product catalog summary

Specifications

Voltage Trip Points: Drop-Out at ±10% of setting, Pick-Up at ±7% of setting.
Frequency Trip Points: Drop-Out at ±4% of 60 Hz (380 V, 50 Hz), Pick-Up at ±3% of 60 Hz (380 V, 50 Hz).
Unbalance Trip Points: Drop-Out at 7%, Pick-Up at 5%.
Reset Options: Automatic, Manual, Automatic with Memory.
Phase Sequence: ABC (will not operate CBA).
Output Rating: DPDT, 360 VA Inductive; 1/2 hp, 3 A Resistive @ 600 VAC.
Terminations: #8-32 Screw Terminals.
Indicators: LED with Automatic Memory Mode for fault indication.
Response Times: Operate Sampling 2 SEC, various release times for different faults.
Temperature Rating: Operate 32° to +131°F (0° to +55°C), Storage -49° to 185°F (-45° to +85°C).
Power Required: 7 VA Typical.
Transient Protection: 2500 Volts for 10 ms.
Enclosure: Lexan Surface Mounted.
Weight: 22 oz.

Model Numbers and Voltage Set Points

SLM-120-ASE: 105 to 130 VAC, Max 143 VAC.
SLM-230-ASE: 200 to 250 VAC, Max 275 VAC.
SLM-380-ASE: 350 to 415 VAC, Max 457 VAC.
SLM-440-ASE: 440 to 490 VAC, Max 540 VAC.
SLM-575-ASE: 525 to 600 VAC, Max 690 VAC.

Features

Models available up to 690 VAC.
Automatic or Manual Reset.
Delay-on-Make Timer.
LED Indicators for Fault Conditions.
Last Fault Memory.
Screwdriver Adjustment for Time Delay, Voltage, and Mode of Operation.

Protection Against

Under Voltage.
Over Voltage.
Phase Loss.
Phase Reversal.
Phase Unbalance.
Phase Shift.
Frequency Shift.

Catalog excerpts

Marsh Bellofram Diversified Electronics Division SLM-Series Microprocessor Based 3-Phase Monitor-1

800.727.5646 atcdiversified.com Diversified Electronics SLM Series Phase Voltage Monitors // SLM Series 227 Microproc e s s o r B a s e d 3- P h a s e M o n i t or \\\SPECIFICATIONS VOLTAGE TRIP POINTS Drop-Out ±10% of Setting Pick-Up ± 7% of Setting FREQUENCY TRIP POINTS Drop-Out ±4% of 60 Hz (380 V, 50 Hz) Pick-Up ±3% of 60 Hz (380 V, 50 Hz) UNBALANCE TRIP POINTS Drop-Out 7% Pick-Up 5% RESET Automatic; Manual; Automatic with Memory* PHASE SEQUENCE ABC (Will Not Operate CBA) OUTPUT RATING DPDT, 360 VA Inductive; 1/2 hp 3 A Resistive @ 600 VAC TERMINATIONS #8-32 Screw Terminals INDICATORS LED* *Automatic with Memory MODE: The last fault is indicated and remains on when conditions return to normal. The indicator extinguishes only with reset or when new fault condition occurs. Designation Color State Condition Time Delay/Normal Green Flashing ON Timing Output Energized Under Voltage Red ON Fault Over Voltage Red ON Fault Phase Sequence, Shift Red ON Fault Frequency Shift Red ON Fault Unbalance Red ON Fault RESPONSE TIMES Operate Sampling 2 SEC Delay-on- Make (Sampling Delay) + (1.5 seconds to 5 minute Delay) Adjustable in one (1) minute increments Release Under Voltage 1.5 SEC, (approx.) Over Voltage 1.5 SEC, (approx.) Frequency Shift 1.5 SEC, (approx.) Unbalance 2.0 SEC, (approx.) *Phase Loss/Shift 1.0 SEC, (approx.) TEMPERATURE RATING Operate 32° to +131°F (0° to +55°C) Storage -49° to 185°F (-45° to +85°C) POWER REQUIRED 7 VA Typical TRANSIENT PROTECTION 2500 Volts for 10 ms ENCLOSURE Lexan Surface Mounted WEIGHT 22 oz. MODEL NUMBER NOMINAL PHASE-TO-PHASE VOLTAGE SET POINTS MAXIMUM VOLTAGE SLM-120-ASE 105, 110, 115, 120, 125, 130 143 VAC SLM-230-ASE 200, 210, 220, 230, 240, 250 275 VAC SLM-380-ASE 350, 365, 380, 390, 400, 415 457 VAC SLM-440-ASE 440, 450, 460, 470, 480, 490 540 VAC SLM-575-ASE 525, 550, 575, 600 690 VAC \\\WIRING \\\DIMENSIONS (INCHES) *Automatic with Memory MODE: The last fault is indicated and remains on when conditions return to normal. The indicator extinguishes only with reset or when new fault condition occurs. • Models available up to 690 VAC • Automatic or Manual Reset • Delay-on-Make Timer • LED Indicators for Fault Conditions • Last Fault Memory SCREWDRIVER ADJUSTMENT FOR: • Time Delay • Voltage • Mode of Operation PROTECTS 3-PHASE EQUIPMENT AGAINST: • Under Voltage • Over Voltage • Phase Loss • Phase Reversal • Phase Unbalance • Phase Shift • Frequency Shift

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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